1 / 8 （一） Ford abandons electric vehicles （福特放弃电动汽车）1.What have the Ford motor company, General Motors and Honda done concerning electric cars?C They have given up producing electric cars. 2. According to Tim Holmes of Ford Europe, battery-powered cars ?Bwill not be the main transportation vehicles in the future. 3.Which auto manufacturers are still producing electric vehicles?A Toyota and Nissan. 4.According to the eighth paragraph, hybrid cars ?C run more miles than petrol driven cars. 5.Which of the following is true about the hope of car manufacturers according to the last paragraph?D The legislation will allow more low-emission to be produced. （二） World Crude Oil Production May Peak a Decade Earlier Than Some Predict （世界原油产量可能提前十年达到峰值）1. Which of the following is closest in meaning to the word “Sparked ”Appearing in paragraph 2?”Bstimulated 2.The term “a bell shaped curve”appearing in paragraph 2 indicates that global oil production will ?D start to decline after global oil production peaks. 3.Which of the following is NOT true of the Hubbert model?D It provides a very realistic and accurate oil production. 4.What is the major achievement of the new study mentioned in the last paragraph? A It predicts global oil production will peak in 2018. 5.Who develop the new version of the Hubbert model? B Kuwaiti scientists. （三） Citizen scientists（公民科学家）1. Ecologists turn to non-scientist citizens for help because they need them ?Cto collect data of the life cycle of living things. 2.What are citizen scientists asked to do? BTo send their research observations to a professional database. 3.In “All thats needed to become one . (paragraph2)” , what does the word “one” standsfor ?Ba citizen scientist. 4.What is NOT true of Project BudBurst? AOnly experts can participate in it. 5 .What is the final purpose of Project BudBurst?DTo investigate how plants and animals will respond as the climate changes. （四） Motoring technology （汽车技术）1.What are researchers interested in doing as the road accidents worldwide increase to a shocking rate? CThey focus their research on safety and new fuels. 2.According to the second paragraph, most road accidents happen ?B because drivers make mistakes. 3.Which of the safety developments is NOT mentioned in the passage?D Windscreens that can help drivers to improve their vision. 4.What is NOT the purpose of innovations that use satellite tracking and remote communications?CTo call for help when the car gets jammed in the traffic. 5.What is true of robotic drivers? AIt will take some time before robotic drivers can be put to practicaluse. （五） Late-night drinking （在深夜饮咖啡）1.The author mentions pick-me-up to indicate that C coffee is a stimulant. 2.Which of the following tells us how caffeine affects sleep? C Caffeine halves the bodys levels of sleep hormone. 3.What does paragraph 3 mainly discuss? ADifferent effects of caffeinated coffee and decaf on sleep. 4.What does the experiment mentioned in paragraph 4 prove? DCaffeine drinkers produce less sleep hormone. 5.The author of this passage probably agrees thatBwe should not drink coffee after supper. （六） Making Light of Sleep（不要太在意睡眠）2018 新增1 .The clock located inside our brains is similar to our bedside alarm clock because B it has a cycle of 24 hours. 2. What is implied in the second paragraph? C Children before puberty tend to fall asleep earlier at night than adolescents. 3. In the third paragraph the author wants to tell the reader that B staying up late has a bad effect on teenagers ability to think and learn. 4. Which of the following statements is NOT true according to the fourth and fifth paragraphs? C Our internal clock as well as the alarm clock can be reset automatically. 5. According to the last two paragraphs，what did the previous researchers think about the human eyes light-sensing system? B The human eye had one light-sensing system. （七） Sugar power for cell phones （用糖为手机发电）1. According to the first paragraph, when can we share our sweet drinks with our cell phones? CWhen the technology of a new type of fuel cell is suitable for mass production. 2.What trouble did Minteer and Klotzbach have in their research? A They had trouble keeping enzymes in fuel cells active. 3. According to Paragraph 5, electrons are released C when the 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 1 页，共 8 页2 / 8 enzyme oxidizes the glucose from a sugary liquid that goes through a pocket. 4.What is exciting about the new fuel cells? BTheir limited power generation capacity is a good beginning. 5.According to the last paragraph, what is NOT true of the new fuel cells? DIt will take some time before the new fuel cells can be used in popular products. （八） Eiffel is an eyeful （引人注目的埃菲尔铁塔）1. Why does the author think the EiffelTower is transformed into symbol of a world on the move? BTourists of all nationalities come- to, scribble on the cold iron of the tower. 2.What seems strange to the author? A Visitors prefer wasting time scribbling to enjoying the view. 3.Which statement is NOT true of Hugues Richard? CHe climbed 747 steps up ,the tower in 19 minutes and 4 seconds 4.What did the builder use the EiffelTower for? BConducting research in various fields. 5.Which of the following is neatest in meaning to (The Eiffel Tower is like) a blank canvas for visitors to make of it what they will ? CVisitors can imagine freely what the tower represents. （九） Egypt felled by famine （埃及饱受饥荒折磨）1.Why does the author mention pyramid builders? DBecause even they were unable to rescue their civilisation. 2.Which of the following factors was ultimately responsible for the fall of the civilisation of ancient Egypt? AChange of climate. 3.Which of the following statements is true? D The White Nile and the Blue Nile are branches of the River Nile. 4.According to Krom, Egypts Old Kingdom fell A immediately after a period of drought. 5.The word “devastating” in the last paragraph could be best replaced by B “damaging ”（十） Young female chimps outlearn their brothers（年轻雌猩猩学习优于她们的弟兄）1.Why do young female chimps learn faster than young male chimps at -fishing for termites? B Because young female chimps begin to study their mothers earlier. 2.What are the tools with which chimps fish, for termites? B Vegetation. 3.Which of the following is .true about chimps fishing for termites according to paragraph 6? CFemales could get out more termites with every dip. 4.How did the researchers explain the fact that boy chimps spent more time on playing D It will make them good fighters and hunters in the future. 5.According to the last paragraph, which of the following is NOT true? AAdult chimps hunt monkeys while young chimps fish for termites. （十一） The net cost of making a name for yourself（网上申请个人域名的费用）1.The domain name “. edu ” is operated byBthe company Network Solutions. 2.The .firm, .shop, .web, .arts, .rec, .info and .nom domains are NOT run by B the US government. 3.Global Names of Singapore is B a registrar. 4.How can a company. successfully register a name with the Internet? A It must pay up to $10,000 or a nonrefundable deposit. 5.What is the meaning of the phrase net cost in the title? B The registration fee for a domain name on the Internet. （十二） Florida hit by cold air mass （佛罗里达遭受冷气团袭击）1.Which of the following statements is not meant in the first two paragraphs? BThe temperature in the United States except the South dropped below the freezing mark. 2. According to the second paragraph, in which area( s) did.the temperature fall below zero? B Parts of interior South Florida. 3.Kings statement that We brought shorts, T-shirt, and 1 had to go out and buy another coat.shows that A he was caught by the sudden cold. 4.Governor Jeb issue the emergency order because he Cwanted to encourage trucks to transport as much fruit to market as possible. 5.Which statement is NOT true according to the last paragraph? D Florida Citrus Mutual sprayed trees with sprinklers for citrus growers. （十三） Invisibility ring （隐形环）1.Harry Potter is mentioned in the passage, because scientists C try to invent a device similar in idea to the invisible cloak he uses. 2.What is true of microwaves? B Their wavelengths are longer than those of visible light. 3.What is NOT true of the invisibility device? B Microwaves bounce off it when they, strike it. 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 2 页，共 8 页3 / 8 4.What does the word coaster mean in the passage? A disk or plate placed under a drinking glass to protect a table top. 5.Harry Potters invisibility cloak doesnt have any real competition yet, because C the cloaking device works only for, microwaves. （十四） Japanese car keeps match for drunk drivers（日本用来监视醉酒司机的新型概念车）1.Which of the following statements is NOT true of the Japanese concepts car? C It has sensors locked up in the ignition system. 2.What has Volvo developed? BA breathalyzer attached to a cars seat belt. 3.What is the. function of .the. camera. mentioned in Paragraph 4? A It monitors the drivers eyes-to see ,if he needs a rest. 4.According to Doi,D Nissan aims to improve the detection technology to reduce the fatality rate. 5.Which of the following is NOT mentioned in Paragraph 6? B The car will automatically keep to its lane. （十五） Winged robot learns to fly （肋生双翅机器人学飞行）1.Which of the following is NOT true of what is mentioned about the winged robot in the second paragraph? C The two professors of CUT programmed the data on how the robot flapped its wings. 2.How did the robot behave at the beginning of the test? B It twitched but gradually gained height. 3.Which of the following is nearest to Peter, Bentleysview on the winged robot? A The winged robot- could never really fly 4.What measured how much lift the robot produced? B A movement detector. 5.What does “the process” appearing in the last paragraph refer to?D All the above. （十六） Japanese drilling into core of earth （日本人的地心旅行）1.According to the passage, Mount Unzen B erupted in 1991. 2.According to the passage, the study of the MountUnzen volcano may benefit Japan in all the following aspects EXCEPT D predicting volcano eruptions. 3.Why is- this research project so important to Japan? A Because Japan has many living volcanos. 4.The drilling site on MountUnzen is ? C about half way up the mountain. 5.The title of this passage Japanese Drilling into Core of Earth actually means that they Adrill a hole into the core of a volcano. （十七） A sunshade for the planet （地球防晒霜）1.According to the first two paragraphs, the author thinks that C despite the difficulty, scientists have some options to prevent global warming. 2.Scientists resist talking about their options because they dont want people to Cthink the problem has been solved. 3.What does Stephen Schneider say about a heroin addict and methadone? AMethadone is an effective way to treat a hard heroin addict. 4.What is Stephen Schneiders idea of preventing global warming? CTo apply sunscreen to the Earth: 5.What is NOT true of the effectiveness of sunscreen , according to the last paragraph? DIt decreases greenhouse gases in the atmosphere. （十八） Thirst for oil （石油匮乏）3 1. ” will need to cure our addiction to oil.” Why does the author say so? D Oil supply is decreasing. 2.Which of the following statements is NOT meant by the author, according to the second paragraph? C Coal is the most environmentally unfriendly fuel next-to oil. 3.Which country is the biggest consumer of petroleum? A The United States 4.What do experts say about: the earths fuel reserves? B There will soon be an energy crisis. 5.What is NOT, the result of consuming fossil fuels according to the last paragraph? DThe sea level will go up. （二十） Explorer of the extreme deep （深海探索器）l .What is Alvin? CA submersible. 2.Which of the following statements is NOT a fact about Alvin? A It can carry explorers as deep as 6,500 meters. 3. “a world that is still full of mysteries” refers to Cthe ocean 4.In what aspects are the new HOV and Alvin similar? DShape. 5.In what aspects are he new HOV and Alvin different. DBoth A and B. （二十一） Plant gas（植物，沼气的又一来源）1.What was scientists understanding of methane? CIt was produced in oxygen-free environments. 2.To test whether plants are a source of methane, the scientists created Ban environment with the same concentration of oxygen as the Earth has. 3.Which statement is true of the methane emissions of plants in 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 3 页，共 8 页4 / 8 the experiment? DThe higher the temperature, the greater the amount of methane emissions. 4.Which of the following about methane is Not mentioned in the passage? DMicrobes in plants produce methane. 5.What is the beneficial point of some microbes lconsuming, plant-produced methane? CLess methane reaches the atmosphere （二十二） Snowflakes（雪花）1.What does Professor Libbrecht believe to be true? ANo two snowflakes are exactly the same in shape. 2.What do the simplest snow crystals look like? DThey are six-sided. 3.What are the factors that affect the shape and growth rate, of a snow crystal? A Humidity and temperature. 4.It can be felt from the description in the 2nd paragraph that the author Aadmires the beauty of the snowflakes. 5.Libbrecht is not able to Ccreate snowflakes that are exactly alike. （二十三） Powering a city? Its a breeze（风力发电，轻而易举）1.What are the symbols of the Netherlands according to the first paragraph? BWooden shoes and wooden windmills. 2.Which statement best describes the urban turbine mentioned in the second paragraph? BIt is a high-tech machine designed to generate energy for urban people. 3.The smallest models of an urban turbine Ccan be carried up to the rooftop without a crane. 4.Netherlands leads in the urban turbine technology because Dthe Netherlands is a small country with a large population. 5.According to the last paragraph, what are the advantages of wind power technology? DBoth A and C. （二十四） Underground coal fires a looming catastrophe（地下煤着火 即将来临的灾难）l.According to the first paragraph, one of the warnings given by the scientists is that Cpoisonous elements released by the underground fires can pollute water sources. 2.According to the third paragraph, what will happen when the underground heat does not disappear? ACoal heats up on its own and catches ire and burns. 3.What did Stracher analyze in his article published in the International Journal of Coal Ecology? DCoal fires can have an impact on the environment. 4.Which of the following statements about Paul Van Dijk is NOT true? BHe has detected and monitored underground fires in the Netherlands. 5.According to the fifth paragraph, what is the suggested method to control underground fires? DCutting off the oxygen supply. （二十五） Eat to live （为生存而食）1.According to the passage, which of the following is NOT true? D We have to begin dieting since childhood. 2.Why does the author mention an elderly mouse in paragraph 2? BTo illustrate the effect of meager food on mice 3.What can be inferred about completely normally fed mice mentioned in the passage? DThey are more likely to suffer from inflammation 4.According to the author, which of the following most interested the researchers? A The mice that started dieting in old age. 5.According to the, last two paragraphs,Spindler believes that Cdieting is not a good method to give us health and long life. （二十六） Male and female pilots cause accidents differently（男女飞行员引起飞行事故的差异）1.What is the research at JohnsHopkinsUniversity about? BGender difference in relation to types of aircraft crashes 2.Which of the statements is NOT true according to the second paragraph? DOnly mature pilots are studied to determine the gender differences in the reasons for aircraft crash. 3.How did the researchers carry out their study? AThey studied the findings of several previous research projects. 4.What is the most common circumstance of crash with female pilots? BLoss of control on landing or takeoff and stalling. 5.In the comparison of female and male pilots Dmale pilots are found to make more errors in decision-making. （二十七） Driven to distraction （）分散注意力驾驶1.Which statement is true of the description in the first two paragraphs? CCoyne is not really driving so it is impossible for him to have hit the woman. 2.What do researchers want to find out, according to the third and fourth paragraphs? DAll of the above. 3.What are the preliminary results given in the fifth paragraph? CIn challenging driving situations, drivers do not have any additional mental energy to deal with something else. 4.The sixth paragraph mainly state that the researchers Dwant to determine the best ways of giving navigational information system. 5.What kind of directions do men and women prefer? BMen prefer more general directions and women prefer route 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 4 页，共 8 页5 / 8 directions. （二十八） Sleep lets brain file memories （睡眠促使记忆归档存储）1.Which of the following statements-is nearest in meaning to the sentence “To sleep. Perchance tofile”?ADoes brain arrange memories in useful order during sleep? 2.What is the result of the experiment with rats and mice carried out at RutgersUniversity? CSomatosensory neocortex and hippocampus work together in memory consolidation. 3.What is the relation of memory to glucose tolerance, as is indicated by a research mentioned in paragraph 4? DThe poorer the memory, the poorer glucose tolerance. 4.In what way is memory related to hippocampus shrinkage? BThe more hippocampus shrinks, the poorer ones memory. 5.According to the last paragraph 。 what is the ultimate reason for going to the gym? DTo control glucose levels. （二十九） Food fright （对食物的惊恐）1.Paragraphs 1,2 & 3 try to give the idea that AGM foods may bring about great benefits to humans. 2.Why is the case of the pollen-sprayed :milkweed cited in Paragraph 6? CIt is cited to show GM foods also have a dark side 3.What happens to those insects when not killed by the spray of insecticide? BThey may have a higher ability to adapt to the environment. 4.Which of the following statements concerning banning GM foods is true according to the pas-sage? DThe United States has not banned GM foods. 5.What is the writers attitude to GM foods? A We cannot tell from the passage. （三十） Digital realm （数码王国）1.The techniques of voice recognition Bare in its initial stage of development. 2.According to the second paragraph, when we reach the stage of artificial intelligence Amachines can be our agents as they understand our thoughts. 3.Whats the best description of Gordon Moores law as mentioned in the third paragraph? AIt motivates the development of the digital world. 4.What can people do in a future scene as described in the fourth paragraph? DAll of the above. 5.Which of the following statements is true of a personalized market? CIn a personalized market, products are tailored to each consumer. （三十一） Hurricane Katrina（卡特里娜飓风）1. What is the eye of a hurricane? C A calm central region of low pressure between 12 to 60 miles in diameter. 2.Which of the following is NOT the “ requirements”mentioned in the second paragraph? A The tropical waters are warm and calm. 3.Which of the following is the best explanation of the word “drivein the third paragraph? C To supply the motive force or power and cause to function. 4.What does the warm air mentioned in the fourth paragraph produce when it is rising from the sea surface? B Low pressure 5.What is NOT true of Hurricane Katrina according to the last paragraph? D The humanitarian crisis is as serious as that of the great depression （三十二） Mind-reading Machine（读心机）1. What is responsible for processing the information sent by your eyes? C Neurons in the brain. 2.Which of the following statements is NOT meant by the writer? DfMRI helps scientists to discover how the brain develops intelligently. 3.“Highlighting the areas of the brain at work”means _A “marking the parts of the brain that are processing information”4.What did the researchers experiment on? BTwo volunteers. 5.Which of the following can be the best replacement of the title? B Your Thoughts can be Scanned （三十三） Experts call for local and regional control of sites for radioactive waste （专家呼吁局部和区域控制放射性废物地点）1.Which of the following words can best substitute the word “withdrawal”in the first paragraph? BCanceling. 2.According to Rodney Ewing and Frand von Hippel, where to locate nuclear facilities Bshould be approved by local people and states. 3.What is NOT true about the 1987 decision by Congress concerning siting of nuclear waste disposal? DThe decision by Congress was accepted by local communities. 4.What does the author of the essay in the fourth paragraph want to say? CEfforts should be made to develop nuclear disposal 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 5 页，共 8 页6 / 8 sites to suit thecircumstances of the region. 5.What is meant by “regional approach”as mentioned in the last paragraph? A Waste disposal sites are located close to reactors and in places suitable for the regional circumstances. （三十五） Putting plants to work （植物效能）1. What does the writer say about plants concerning solar energy? CPlants have been using solar energy for billions of years. 2.Why do some scientists study how plants convert sunlight carbon dioxide, and water into sugars and starches?BBecause they want green plants to become a new source of energy. 3.According to the fifth paragraph, under what conditions are algae able to use solar energy to make hydrogen? B When there is no oxygen in the air. 4.Researchers have met with difficulties when trying to make algae produce hydrogen efficiently. Which one of the following is one such difficulty? DIt is too slow for algae to produce hydrogen when the sulfate is removed. 5.What is NOT true of algae? C They are cheap to eat. （三十六） Listening device provides landslide early warning（听觉仪器提供早期山崩预警）1.What does “such natural disasters ”in the first paragraph refer to? DLandslides 2.Which of the following statements is true of landslides? DAll of above 3.Why do researchers develop a new device to monitor signs of landsides? CBecause the common methods can cause false alarms. 4.Which of the following statements is NOT true of the device, according to paragraph 4? AIt is filled in with gravel. 5.According to the context, what does the word “positives”in the fifth paragraph mean? BEvidences. （三十七） “Don t Drink Alone ”Gets New Meaning （ “ 不要在就餐时间以外饮酒” 有了新含义）1.Researchers have found that the risk of cancer in the mouth and neck is higher with people A who drink alcohol outside of meals. 2.Which of the following is NOT the conclusion made by the researchers about “drinking with meals”? C It increases by 20 percent the possibility of cancer in all sites. 3.Approximately how many drinks do the lowest-intake group average per day? A drinks. 4.Which cancer risk is the lowest among all the four kinds of cancer mentioned in the passage? B Laryngeal cancer. 5.According to the last paragraph, tissue s lower exposure to alcohol D reduces the risk of laryngeal cancer. （三十八） 2018 版教材改为 Life Form Found on Saturns Titan（ 2018 年 4 月真题）（三十九） Clone farm （克隆农场）1.Which statement is the best description of the new era of factory farming according to the first paragraph? C Cloned chickens are bulk-produced every hour. 2.Which institution has offered $4.7 million to fund the research? A The US s National Institute of Science and Technology. 3.In the third paragraph, by saying “Producers would like the same meat quantity but to use reduced inputs to get there,”Mike Fitzgerald means that he wishes D chickens cou ld grow to the same weight but with less feed. 4.Which of the following statements about Origen and Embrex is correct according to the fifth paragraph? C Origen has joined hands with Embrex in producing cell-injecting machines. 5.The technology of freezing stem cells from different strains of chicken can do all the following EXCEPT that A farmers can order certain strains of chicken only. （四十） Teaching Math, Teaching Anxiety（教数学，教焦虑）（ 2018 新增）1. What is the result of the research at the University of Chicago,according to the first paragraph? D Female teachers confidence in their math skills is related to girls math skills. 2. What is implied in the third paragraph? B A difficult subject like math may affect teachers confidence in teaching the subject. 3. According to the experiment,those teachers were probably anxious about math when they felt C uneasy reading the numbers of a sales receipt. 4. The sixth paragraph tells us that the research findings A prove a strong link between female teachers math anxiety and their female students math achievements. 5. David Geary thinks that B the research results need to be retested based on a larger sample. 第四十一篇Too Little for Global Warming全球变暖 “ 缺油 ”1.What do the authors of the new analysis presented at the University of Uppsala intend to say? D Oil and gas will run out so fast that Earth s doomsday will never materialize. 2.Nations that signed the Kyoto Protocol agree to Bcut CO2 emissions. 3. What are the estimates of the world s oil and gas reser ves? 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 6 页，共 8 页7 / 8 D3,500 billion by a growing numher of scientists. 4. Which of the following about Nebojsa Nakicenovic is true? DHe thinks that IPCC s estimates are more optimistic than the Swedes. 5. Which of the following is the near explanation of Nakicenovics assertion that“such a switch would be disastrous”? B A switch to burning coal would produce disastrous environmental problems. 第四十二篇Renewable Energy Sources 可再生能源1.What are the energy resources that are not renewable according to the article? D A and B. 2.China s Three Gorges Dam Cis the largest of all the hydroelectric dams in the world. 3.Which is the country with the first commercial power station that makes use of ocean currents produced by tides? BNorway. 4.Which of the following statements is true of wind power? DAll of the above. 5. According to the article, resources such as wind Bare renewable so sustainable. 第四十三篇Forecasting Methods 天气预报的方法1.Whnt factor is NOT mentioned in choosing a forecasting method? A Imagination of the forecaster. 2. Persistence method will work well Bif weather conditions do not change much. 3.The limitation of the trends method is the same as the persistence method in that D the weather features need to be constant for a long period of time. 4.Which method may involve historical weather data? C Both climatology method and analog method. 5.It will be impossible to make weather forecast using the analog method A when the current weather scenario differs from the analog. 第四十四篇Defending the Theory of Evolution1 Still Seems Needed 捍卫进化论仍必要1.According to the first paragraph, which of the following statements about the theory of evolution is true? B School boards oppose AIBS s effort to defend the theory of evolution. . 2.Which one of the following is NOT the reason for an overall lack of teaching Darwin s theory? D Darwin s theory is denied as the central theory of biology. 3.AIBS is composed of A more than 80 societies and 250,000 members. 4.According to Weis in the 5th paragraph, the theory of evolution A is fundamental to the development of modern genetics, molecular biology and genomics. . 5.Why do people replace the term creationism with the term intelligent design nowadays ？D Because the term creationism is too direct. 第四十六篇Ants have Big Impact on Environment as Ecosystem Engineers （蚂蚁作为生态工程师对环境影响巨大）（ 2018 新增）1 .Why are ants compared to ecosystem engineers? C Because their activity affects the environment. 2. As predators, ants ？A prey on small as well as large animals. 3. Dir Sanders study centered on how ants ？D produce such a big impact on the environment. 4. What does paragraph 6 tell us? B Ants bring about a positive influence to an area when their population is small. 5. What still remains unclear about ants,according to the last paragraph? C How do human activities affect ants influence on a given ecosystem? 第四十七篇Listening to Birdsong （倾听鸟鸣A 级）1. What does the first paragraph say about zebra finches? C）Male zebra finches change theirsongs in female zebra finches presence. 2. What did the researchers find in their study of female zebra finches? A） Female finches liked songs male finches sang for them. 3. What is meant by concert songs in the seventh paragraph? B）Songs sung by male finches for female finches. 4. What is NOT true of directed communication? D） Male zebra finches sing to themselves. 5. Which of the following can best reflect the theme of the passage?. B）Birdsongs as communication. 第四十八篇 “Hidden ”Species May Be Surprisingly Common “ 隐种 ” 可能令人惊叹地普遍存在1.Which of the following about the significance of the research on cryptic species is NOT true? D The results of the research can help our understanding of 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 7 页，共 8 页8 / 8 “survival of the fittest.”2.What was scientists understanding of cryptic species? D Moth B and C. 3.Do scientists know how many cryptic species exist? A Not yet. 4.Which of the following about the African hush elephant and the African elephant is true? C They are two genetically distant species. 5.People were confused in their attempts to control malaria in Europe in the early 1900s, because scientists A identified only one mosquito species instead of six species. 第四十九篇U.S. Scientists Confirm Water on Mars 美国科学家确认火星上有水1. What was discovered by NASAs Phoenix Mars Lander on Mars? C） Water in a soil sample. 2. Why did the first two attempts to deliver samples fail? C） The samples got stuck inside the scoop. 3. Which one of the following statements is NOT meant by the writer? A） Scientists have been trying to break the ice-rich layers of 4. Where are the scientists involved in the research from? C） They are from both America and Canada. 5. Which of the following do you think is the best description of Phoenix s Surface Stereo Imager Camera, according to yourunderstanding of the passage? A） It imitates human vision and is able to capture three-dimensional images. 第五十篇Cell Phones Increase Traffic, Pedestrian Fatalities 手机增加交通行人死亡1.The two new studies, lead-authored by Professor Peter D. Loeb Dboth A and C. 2.According to the second paragraph, when did cell phones actually help to reduce pedestrian and traffic fatalities? B Before the number of cell phone users reached a critical mass 3.What is said about cell phone use in paragraph 4? B The number of traffic deaths was reduced in the late 1980s and part of the 1990s due to cell phone use 4.What is said about cell phone use in the mid-1980s in paragraph 5? A It had a life-taking effect because there werent enough cell phones in use then. 5. Which of the following statements DOES NOT answer the question(What caused the “life-saving effect”to occur in the early 1990s? B The number of cell phone users reached about 100 million 精选学习资料 - - - - - - - - - 名师归纳总结 - - - - - - -第 8 页，共 8 页