2022年人教版高中英语选择性必修第三册同步培优Unit 3 Environmental protection Section Ⅳ 写作指导.docx
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1、Unit 3 Section IV夯基提能作业I .阅读理解A rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below 16 . Rainforests have a great effect on the world environment because they can take in heat from the sun and adju
2、st the climate. Without the forest cover, these areas would reflect more heat into the atmosphere, warming the rest of the world. Losing the rainforests may also influence wind and rainfall patterns, potentially causing certain natural disasters all over the world.In the past one hundred years, huma
3、ns have begun destroying rainforests in search of three major resources (资源):land for crops, wood for paper and other products, land for raising farm animals. This action affects the environment as a whole. For example, a lot of carbon dioxide (二 氧化碳)in the air comes from burning the rainforests. Pe
4、ople obviously have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit.There are two main reasons for this. Firstly, when people cut down trees, generally they can only use the land for a year or two. Secondly, cutting large sections of rainforests
5、may provide a good supply of wood right now, but in the long run it actually reduces the worlds wood supply.Rainforests are often called the worlds drug store. More than 25% of the medicines we use today come from plants in rainforests. However, fewer than 1% of rainforest plants have been examined
6、for their medical value. It is extremely likely that our best chance to cure diseases lies somewhere in the world9s shrinking rainforests.语篇解读:本文是一篇说明文。作者介绍了热带雨林的功能以及给人类带来的好处。1. Rainforests can help to adjust the climate because they D .A. reflect more heat into the atmosphereB. bring about high rai
7、nfall throughout the worldC. rarely cause the temperature to drop lower than 16 D. reduce the effect of heat from the sun on the earth解析:细节理解题。从第一段第二句话可知“热带雨林能吸收太阳的热量”。故答案为 Do2. What does the underlined word this in the third paragraph refer to? AA. We will lose much more than we can gain.B Humans h
8、ave begun destroying rainforests.C. People have a strong desire for resources.D. Much carbon dioxide comes from burning rainforests.解析:词义猜想题。从第三段后面的说明中可知人们失去的会比得到的多。故答案为Ao3. It can be inferred from the text that B .A. we can get enough resources without rainforestsB there is great medicine potential
9、 in rainforestsC. we will grow fewer kinds of crops in the gained landD. the level of annual rainfall affects wind patterns解析:推理判断题。从最后一段的数字可知热带雨林中有着丰富的“药材”。故答案为Bo4. What might be the best title for the text? CA. How to Save RainforestsB. How to Protect NatureC. Rainforests and the EnvironmentD. Rai
10、nforests and Medical Development解析:标题归纳题。本文是在向读者介绍热带雨林减少会对环境造成的影响,呼吁人们 要保护热带雨林,进而保护整个人类生存的环境。故答案为C。II.七选五根据短文内容,从短文后的选项中选出能填入空白处的最正确选项。选项中有两项为多余 选项。What is your favourite colour? Do you like yellow, orange or red? L C Do you prefer greys and blues? Then you are probably quiet, shy, and you would rat
11、her follow than lead. You tend to be a pessimist. At least, this is what psychologists tell us, and they should know, because they have been seriously studying the meaning of colour preference, as well as the effect that colours have on human beings. 2. A If you happen to love brown, you did so, as
12、soon as you opened your eyes, or at least as soon as you could see clearly.E. F A yellow room makes most people feel more cheerful and more relaxed than a dark green one; and a red dress brings warmth and cheer to the saddest winter day. 4. B A black bridge over the Thames River, near London, used t
13、o be the scene of more suicides than any other bridge in the areauntil it was repainted green. The number of suicide attempts immediately fell sharply. Perhaps it would have fallen even more if the bridge had been done in pink or baby blue.5. D It is an established fact that factory workers work bet
14、ter, harder, and have fewer accidents when their machines are painted orange rather than black or grey.A. They tell us, among other facts, that we do not choose our favourite colour as we grow upwe are bom with our preference.B On the other hand, black is depressing.C. If you do, you must be an opti
15、mist, a leader, an active person who enjoys life.D. Light and bright colours make people not only happier but more active.E. Life is like a picture or a poem, full of different colours.F. Colours do influence our moods一there is no doubt about it.G. The rooms are painted in different colours as you l
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