1 UnitUnit 2222 EnvironmentalEnvironmental ProtectionProtection SectionSection 单句语法填空 1 We substituted fish meat several times a week 2 Some people advocated limit the number of cars on the main road 3 It is time to take action let our customers understand this 4 But for the meeting I would go home at the time 5 He was condemned to die for murder and later hanged 6 Please go back to your classroom turn 7 We train them to make use of refer books 8 I look forward to come to work every day 9 There be a number of Negroes in the city 10 I can t go out with all these clothes wash 答案 1 for 2 limiting 3 to let 4 have gone 5 death 6 in 7 reference ing 9 are 10 to wash 单句改错 1 He sat there with his eyes close 2 Giving that he was still a boy I forgave him 3 The number of fish in coastal waters have decreased 4 I was trapped into tell the police all I knew 5 Their devotion to their children was beyond word 6 The person refer to is my English teacher 7 We looked after the little boy by turn 8 Tom was condemned with life imprisonment 9 Margarine is often used as a substitute with butter 2 10 The report advocated that all buildings was fitted with smoke detectors 答案 1 close 改为 closed 2 Giving 改为 Given 3 have 改为 has 4 tell 改为 telling 5 word 改为 words 6 refer 改为 referred 7 by 改为 in 或 turn 改为 turns 8 with 改为 to 9 with 改为 for 10 was 改为 be 阅读理解 Plants are flowering faster than scientists predicted 预测 in reaction to climate change which could have long damaging effects on food chains and ecosystems Global warming is having a great effect on hundreds of plant and animal species around the world changing some living patterns scientists say Increased carbon dioxide CO2 in the air from burning coal and oil can have an effect on how plants produce oxygen while higher temperatures and changeable rainfall patterns can change their patterns of growth Predicting species reaction to climate change is a major challenge in ecology said the researchers of several U S universities They said plants had been the key object of study because their reaction to climate change could have an effect on food chains and ecosystem services The study published on the Nature website uses the findings from plant life cycle studies and experiments across four continents and 1 634 species It found that some experiments had underestimated 低估 the speed of flowering by 8 5 times and leafing by 4 times Across all species the experiments under predicted the speed of the advance for both leafing and flowering that results from temperature increases the study said The design of future experiments may need to be improved to better predict how plants will react to climate change it said Plants are necessary for life on the Earth They are the base of the food chain using photosynthesis 光合作用 to produce sugar from carbon dioxide and water They let out oxygen which is needed by nearly every organism on the planet Scientists believe the world s average temperature has risen by about 0 8 since 1900 and nearly 0 2 every ten years since 1979 So far efforts to cut emissions 排放 of planet warming greenhouse gases are 3 not seen as enough to prevent the Earth heating up beyond 2 this century a point scientists say will bring the danger of a changeable climate in which weather extremes are common leading to drought floods crop failures and rising sea levels 语篇解读 本文为说明文 题材为科普知识类 温室效应已经影响了植物的生长类 型 由于植物在食物链和生态系统中有着重要影响 科学家们正致力于研究其生长变化 1 What is the key information the author wants to give in Paragraph 1 A Plants reaction to weather could have damaging effects on ecosystems B The increasing speed of flowering is beyond scientists expectation C Climate change leads to the change of food production patterns D Food chains have been seriously damaged because of weather 解析 主旨大意题 根据第一段 Plants are flowering faster than scientists predicted 预测 in reaction to climate change 可知本题应选择 B 项 答案 B 2 We can learn from the study published on the Nature website that A plants flowering is 8 5 times faster than leafing B there are 1 634 plant species on the four continents C scientists should improve the design of the experiments D the experiments failed to predict how plants react to climate change 解析 细节理解题 根据文章第五段最后一句话 It found that some experiments had underestimated 低估 the speed of flowering 以及第七段 The design of future experiments may need to be improved to better predict 可知本题应 选择 C 项 答案 C 3 Scientists pay special attention to the study of plants because A they can prove the climate change clearly B they are very important in the food chains C they play a leading role in reducing global warming D they are growing and flowering much faster than before 解析 细节理解题 根据文章第四段最后一句 They said plants had been the key object of study because their reaction to climate change could have an effect on food chains 可知本题选择 B 项 答案 B 4 What can be inferred from the last two paragraphs about the world s 4 temperature A It has risen nearly 0 2 since 1979 B Its change will lead to weather extremes C It is 0 8 higher in 1979 tha