Unit 4Wildlife protectionSection Learning about Language & Using Language.单句语法填空1No matter how_(power) the enemy seems，we must fight against them to the end.答案：powerful2She must be feeling very lonely after the_(lose) of her husband.答案：loss3Fruit juice can be_(harm) to childrens teeth.答案：harmful4There is now clear evidence that vitamin C gives_(protect) against cancer.答案：protection5I think that a good story does not necessarily have to have a happy _(end)答案：ending6He told me not _(inspect) the machine without turning off the power.答案：to inspect7Id appreciate your _(write) me back as soon as possible.答案：writing8I think his advice is of great_(important) to your success.答案：importance9With a lot of difficult problems_(settle)，the manager felt worried all the time.答案：to settle10John thinks it wont be long _he is ready for his new job.答案：before.阅读理解AHawaii officials plan to spend the next two years studying tiger sharks movements around Maui to understand why overall shark attacks have suddenly increased since the beginning of 2012.Chairman William Aila of the Hawaii Department of Land and Natural Resources，said on Tuesday that Hawaii waters are safe if swimmers are careful.However，he said there are more tiger sharks and more people in Hawaiian waters，which will create more chances of bites.“We know that there are a large number of shark attacks that have happened recently.We just want to make it clear that throughout history of Hawaii，the number of shark attacks has gone up，and then it has gone down，and there have been some years that weve actually had no shark attacks.”There have been eight attacks statewide this year and ten in 2012.Hawaii usually sees only three to four attacks each year，and saw one or sometimes zero attack in 11 years between 1980 and 2012，according to state data.A 20yearold German tourist lost her arm in an attack last week as she was diving off the coast of Maui.Four days later，a 16yearold surfer suffered injuries to both legs after a shark bite in waters off the Big Island.There have been four attacks during the last month，though its not clear what type of shark was involved in each incident.During a news conference，Aila said Hawaii people didnt know much about sharks movements in waters around Maui and the Big Island.Thats why its planning a twoyear study to track tiger sharks，which will begin next month.Meyer，leading the study，said tiger sharks can travel up to 100 miles in one day，not staying in one area very long or swimming in very shallow ( 浅的) waters if they choose to.Aila said the study will help determine measures to minimize encounters (相遇) between sharks and humans.语篇解读本篇文章主要报道了在夏威夷发生了越来越多的虎鲨袭击人的事情以及夏威夷将推行两年虎鲨跟踪和研究以实行相关措施避免人与鲨鱼的会面。1What causes more chances of tiger shark attacks?AThat more and more people want to hunt sharks.BThat the swimmers dont know much about sharks.CThat the waters are becoming more and more shallow.DThat more sharks and tourists are in nearby waters.解析：细节理解题。根据文章第一段的最后一句 there are more tiger sharks and more people in Hawaiian waters，which will create more chances of bites可知答案。答案：D2How many shark attacks are there in all this year and in 2012 statewide?A2.B4.C8.D18.解析：推理判断题。根据文章第三段的第一句话There have been eight attacks statewide this year and ten in 2012.可知答案。答案：D3It can be inferred from the passage that_.Athe attacks are perhaps caused not just by tiger sharksBtiger sharks prefer to stay in shallow waters rather than in deep watersCmeasures to reduce shark attacks have already been takenDtiger sharks are more likely to attack young people解析：推理判断题。根据第三段的最后一句话.its not clear what type of shark involved in each incident.可推断，人们并不清楚每一次的事故都和哪种鲨鱼有关。答案：A4Which would be the best title of the passage?AHawaii plans to study tiger sharks to reduce shark attacks in MauiBMore and more tiger sharks make people of Maui very fearfulCMore and more tiger shark attacks destroy the tourism business of MauiDTourists were injured by the sharks while swimming in Maui解析：主旨大意题。第一段为导语，点明了主题，因此答案为A。答案：ABAnimals are natural resources that people have wasted all through our history.Animals have been killed for their fur and feathers，for food，for sport，and simply because they were in the way.Thousands of kinds of animals have disappeared from the earth forever.Hundreds more are on the danger list today.About 170 kinds in the United States alone are considered in danger. Why should people care？Because we need animals.And because once they are gone，there will never be any more.Animals are more than beautiful or interesting or a source of food.Every animal has its place in the balance of nature.Destroying one kind of animal can create many problems.For example，when farmers killed large numbers of hawk