1、必修三必修三 Unit 1 language points 整理整理 Part 1 welcome to this unit 1. For most of history, man has had to fight nature to survive; in this century he is beginning to realize that, in order to survive, he must protect it. 在历史大部分时间，人类不得不为了生存和大自然斗争；在本世纪，人们开始意识到，为了 生存，必须保护大自然。 fight fight-fought-fought 战争；战
2、斗 (against sb)打仗；战斗；作战 2. a documentary script 电视节目的文字稿 3. call for protecting animals 呼吁保护小动物 4. make a booklet on environment problems 做一个关于环境保护的小册子小册子 5. human race 人(mankind) 6. Can the human race carry on expanding and growing the same way that it is now? 人类能继续像目前这样扩张和增长下去吗？ 7. do harm to 对.有害
3、harm vt. one trillion trees, maybe more. Swiss scientists say there is enough room for that many trees. In their report in the journal Science, they say there is enough space on the earth, which could cover nine million square kilometers, an area the size of the United States. Trees take carbon diox
4、ide(二氧化碳) out of the air, and in return, put oxygen back into the air. The study estimated that over a long period of time, the trees could take in almost 750 billion tons of carbon dioxide from the atmosphere. That is about as much carbon as humans have put into the atmosphere in the past 25 years.
5、 What is so bad about carbon dioxide? The gas traps heat, causing temperatures to rise. “Much of the gain from planting trees will come quickly because trees remove more carbon from the air when they are younger，” the researchers said. The place that has the best possibility for removing the most ca
6、rbon is the tropicsthe area close to the equator. “This method would also have the lowest cost，” said the study coauthor Thomas Crowther, a climate change ecologist at the Swiss Federal Institute of Technology in Zurich. “This is by far, the cheapest and the most effective climate change solution，”
7、he said. The six nations with the most room for new trees are Russia, the United States, Canada, Australia, Brazil and China. Before his study, Crowther thought that there were other more effective ways to fight climate change besides cutting emissions(排放). For example, people could change their die
8、ts by no longer eating meat. But he said, “Tree planting is far more effective because trees remove so much carbon dioxide from the air.” 1. What does the second paragraph mainly tell us? A. How people plant more trees. B. Why people should plant more trees. C. When people should plant more trees. D
9、. Where people should plant more trees. 2. Which of the following statements is TRUE according to the passage? A. Trees cant remove the carbon in the tropics. B. Trees are less helpful when they are younger. C. There is enough space to plant one trillion or more trees on the earth. D. People can onl
10、y plant trees in Russia, the United States, Canada, Australia, Brazil and China. 3. Whats the best title for the passage? A. More trees help fight climate change B. Carbon dioxide causes temperatures to rise C. Not eating meat is the best way to fight climate change D. Cutting emissions is the most
11、effective way to fight climate change 六六 书面表达书面表达 要求:将以下句子连成一篇 80 词左右的短文。尽可能用本单元刚学的词汇和句型,表达要准 确、连贯、流畅。 1我们可以通过多种方法来保护我们的环境。(measure，environment) 2首先，培养责任感是非常重要的。只有意识到了保护环境的重要性，我们才会尽职 尽责。(essential，sense of responsibility，realize，do ones part) 3其次，我们应该尝试改变我们的生活方式。对于那些没用的东西，要将其回收再利 用，而不是把它们扔掉。(recycle
12、，in use，throw away) 4 最重要的是， 我们应该尽力减轻对环境的压力， 以使我们能生活得更美好。 (cut down on，pressure) _ _ _ 一 答案 1. survival 2. various 3. length 4. disappearance 5. extinction 6. entirely 7. poisonous 8. a 二 1. Human beings has done great damage to the environment. 2. Forest provide food for unbelievable variety of wil
13、dlife. 3. No one can survive in this condition 三 1. environment environmental environmentalist 2. illegally illegal legal 3. consumers consumed consumption 4. electrical electric electricity 5. economics economy economist economical 四 1. dislike it when 2. more than twice what 3. measuring 4. apprec
14、iate it if 5. were washed 五 A语篇解读 本文是说明文。文章主要介绍了种植树木对抗气候变化是一种有效的手段。 1. 段落大意题。 根据第二段中的“The study estimated . as humans have put into the atmosphere in the past 25 years.”可知，第二段告诉我们为什么人们应该种更多的树。 2. 细节理解题。根据第一段中的“A new study says: Plant many trees; one trillion trees, maybe more. Swiss scientists say t
15、here is enough room for that many trees.”可知答案。 3. 标题概括题。通读全文以及第一段中的 for that many trees，第二段中的“Trees take carbon dioxide out of the air, and in return .”，第三段中的“The six nations with the most room for new trees are .”以及第四段中的 “.Tree planting is far more effective .”可知，各段都提到了种植 树木对抗气候变化是一种有效的手段，故这篇文章最好的标
16、题是“更多的树木有助于对抗气 候变化”。 六 We can protect our environment by using different kinds of measures. Firstly, its very essential to develop our sense of responsibility. Only when we realize the importance of protecting the environment are we willing to do our parts for it. Secondly, we should try to change our way of life. Recycle those things that are not in use. Dont throw them away. Above all, we should try our best to cut down on the pressure of the environment in order to live a better life.
