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1、Unit 2 Topic 2 Section B 随堂练习基础篇一 .根据句意填入合适的单词.1. Human beings shouldnt kill（野生的）animals.【答案】wild【解析】wild adj.野生的.2. If a man breaks the law.he should be 1）.【答案】published【解析】publish v.处分，惩罚.3. The dustmen（清洁工）havent collected the r yet.【答案】rubbish【解析】rubbish n.垃圾;废弃物.4. The question is so difficult
2、that n can answer it.【答案】nobody解析】nobody pron.没有人.5. This accidenl is the （最糟糕的）for years.【答案】worst【解析】worst adj.最差的，最糟的.二.单项选择。5.1 usually plan to do with my friends on weekends.A. anything interesting B. interesting anything C. something interestingD. interesting something【答案】C【解析】some interesting
3、 一些有趣的事情This washing machine is very difficult to use.can learn to use it in a very short time.A. SomebodyB. Anyone C. Everyone D. Nobody【答案】D【解析】根据句意可知：洗衣机很难用，没有人能短时间内学会用它；nobody pron.没有人.2. 一Which of the two subjects do you like, art or music?一, they are really interesting.A.Neither B. Both C. All
4、 D. None【答案】B【解析】both表示两者都What can we students do the environment?A .to protectB. protectedC. protects D. protecting【答案】A【解析】t。protect表目的状语There are five people in the room, but I know.A. both of themB. none of themC. neither of them【答案】B【解析】none of （三者及三者以上）+可数n复数+谓v单或复none of （三者及三者以上）+不可数n+谓v单non
5、e of （三者及三者以上）+代词复数+谓v单或复提升篇三.根据句意完成句子.1 .结果，空气污染已成为一个严重的问题, air pollution has become a serious problem.【答案】As a result【解析】as a result结果.2 .政府为了保护环境正在采取有效的措施The government is doing to protect the environment.【答案】something useful【解析】something useful有效的措施，“不定代词+形容词”，作后置定语。3 .没有人喜欢污染。likes pollution.【答
6、案】None of us【解析】none指三者或三者以上的“没有，都不”，既可指“人”，也可指“物”，常与of连用，既可修饰可数名词, 也可修饰不可数名词，构成“none of+代词”结构，当名词是不可数时，谓语动词用第三人称单数，当名 词是复数时，渭语动词用单复数均可。4 .我们不应当到处丢垃圾We shouldn ( leave rubbish.【答案】here and there【解析】here and there到处，处处.5 .我们应当尽一切努力保护环境Wc should do everything to protect the environment.【答案】we can【解析】w
7、e can是修饰everything的定语从句,省略了关系代词that及从句中的谓语do,意为“一切能做的事”。 四.完形填空。阅读短文，从A、B、C、D四个选项中选出可以填入空白处的正确答案。Today we can see that many people are cutting down the trees in (he forests. A lot of Jlands have become deserts. If we read newspapers, well learn that (he forests on the earth are getting smaller 2 . W
8、e are cutting down large numbers of trees 3 we need wood and farmland. Some scientists say that there will not be any great forests 4 20 or 30 years.What will happen if the forests disappear? A lot of plants will die and the animals will 5their homes. In many places the new farmland will soon look 6
9、 the old desert. Crops will not grow there. There wont be enough _7_, and the weather will get hot and dry. If the climate of the earth changes, life will be 8 for everyone. Our living environment will become 9 . More and more rich farmland will disappear. We will suffer a lot from both droughts (干旱
10、)and floods.Its our duty 10 the forests well. Everyone should try his best to make a contribution (贡献)lo taking care of (he forests. Slop culling down the trees and make the world greener!()1. A.lowB.richC.lonclyD.high【答案】B【解析】本句话的含义是许多良田已经变成了沙漠。B项的rich表示“肥沃的，富饶的”， 其他各项都不符合。应选B。()2.A.on time B.all t
11、he timeC.in limeD.no time【答案】B【解析】onlime按时;all the time _始终；in lime及时；notime没有时间。根据题意选B项。(B.soC.becauseD.but【答案】C【解析】本句前后两局部是因果关系。应选C。B.atC.onD.with【答案】A【解析】“in+时间”表示将来的一段时间内，用将来时态。应选A。B.buildC.loseD.decorate【答案】C【解析】森林消失，导致许多植物消亡，动物失去家园。应选C。B.upC.atD.out【答案】A【解析】look like看上去像;look up查找；look at看;loo
12、k out小心。根据题意选A项。B.sunshineC.windD.rain【答案】D【解析】根据后一句中的get hot and dry来理解此处是缺雨。应选D“B.hardC.happyD.interesting【答案】B【解析】气候变坏了，生活对每个人来说将会是艰难的。应选B。)9.A.better and betterB.worse and worse C.bigger and bigger D.more and more【答案】B【解析】根据上下文推断森林消失，气候改变，我们的居住环境将会变得越来越糟。应选B。)10.A.to doB.doC.to protectD.protecl【答案】C【解析】考查It s+adj./n.+iodos【h.这一固定结构，并根据句意“保护环境是我们的责任二应选C。