Unit 2 The environment Welcome 同步练习.doc

Unit 2 The environment Welcome 同步练习I. 短文填空请根据短文内容及所给首字母提示，补全所缺单词。In the past hundred years， there have been frequent natural d 1 ， such as floods， droughts， debris flows， seismic sea waves， earthquakes， windstorms and the stretching of new deserts. The disasters have k 2 millions of people， destroyed large numbers of houses， and c 3 uncountable losses to human beings.Now more and more people have become a 4 that those disasters have much to do with w 5 we have done to the earth. We have cut d 6 too many trees in the forests， we have badly p 7 the environment， and we have shocked our own home-planet time and again with extremely powerful explosions(爆炸)of nuclear bombs. As a result， climates become abnormal(反常的)， rainwater rushes down hillsides angrily and the underground energy goes up to revenge(报复)itself on us.The earth is our only home-planet. It is u 8 for us to stop damaging it and to do our best to p 9 it and make it a lovely place suitable to live in ， for we have n 10 else to go and survive.II. 单词拼写请根据句意及所给首字母或汉语提示完成下列句子。1. The Yellow River originates in the west and f_ eastwards into the sea.2. With their p_ up by 20%， they can produce more cars to satisfy the demand.3. R_ is the best way to help protect the environment by saving money and raw materials.4. The g_ businessman will never be content with the money his employees make for him.5. Holding a higher position in the government means taking more r_ for the nation and its people.6. The driver got injured so badly that he needed o_ on without delay. 7. There is a general b_ that kids are the future.8. The social issue has caused a fierce _(辩论)on this forum.9. Nothing is too difficult to a_(愿意的)heart.10. The heart is the most important organ that _(输送)blood around the body.III. 选词填空请从下面方框里选择适当的短语并用其正确形式填空。cut back on； as long as； be concerned about； flow into； what if； run out； open the floor； result in1. When it was time _ for discussion， she took an active part in it and had her opinions voiced.2. My father _ smoking， though he hasnt given it up completely.3. Human beings are trying to find alternative energy before the natural resources _.4. Waste water isnt allowed _ the river or lake before it is made safe enough for fish and other creatures.5. This policy _ many elderly people suffering hardship.6. Food safety has become a big problem， which people _ nowadays.7. You can become whatever you want to， _ you work hard enough.8. _ it rains tomorrow？ Shall we put off the outing till next weekend？IV. 同义句改写请在空格处填入适当的词语，使其句意与所给句子意思相同或相近(每空一词)。1. The video shows vividly how the earth is being damaged by people. This video vividly shows the _ in _ people are doing _ to the earth.2. A strong earthquake hit Japan in 2011， killing nearly 20，000 people. A strong earthquake hit Japan in 2011， _ nearly 20，000 _.3. He called on people to reduce the consumption of wood to save forests. He called on people to _ _ _ the consumption of wood to save forests.4. Our school is twice as large as it was ten years ago. Our school is twice _ _ it was ten years ago.5. A lot of money has been raised for the Green China project. Large _ of money _ been collected for the Green China project.V. 任务型阅读请认真阅读课文的Reading部分，并根据所读内容在下面表格中的空格里填入一个最恰当的单词。The economy or the environmentmust we choose？James Long， a TV host， introduces two sides of the 1 and arranges the schedule for it.Debaters 2 SuggestionsLin Shuiqing， a 3 Green SocietyChemical waste is damaging vast areas of the world， 4 a lot of pollutions， killing plants and animals and making people sick.Cut back on production and reduce things we make and buy. 6 our waste.Educate people to live in an 7 friendly way.Sea life is being destroyed by fishing boats. Fish are caught before 5 eggs.The population of the world keeps growing， making the problem even worse.Qian Liwei，a businessdevelopmentconsultantA healthy environment and a sustainable 8 should be possible at the same time.Approve of making things from recycled materials instead of 10 ones.Make better laws to preserve the environment and allow the economy to grow.Factories which pollute the environment pay higher taxes.Jobs will be lost if 9 is cut back on.People are more important than fish and trees.VI. 阅读理解With school out and hot weather in， its not unusual for youngsters to gather around the refrigerator or the television rather than take part in active play. Such habits may be relaxing but can wreck a healthy lifestyle， say specialists at Texas Childrens Hospital.“For some kids， the state of feeling bored triggers(引发)eating，”says Jennifer Thomas， a doctor at Texas Childrens Hospital in Houston， Texas. A child can pick up 5 to 10 pounds over the course of a summer， so its important to recognize the difference between boredom(无聊)and hunger.”Because children may be adjusting(适应)to lack of routine， adding some structure to their daily schedules can help. “For example， instead of letting kids eat while they watch television， permit eating only in the kitchen with the television turned off，”says Thomas. “This way can help determine if they are really hungry or just bored.”If hunger causes a snack attack， nutritious snacks should be available(可得到的)and easy to reach， says Thomas. She suggests two or more servings of fruit and three or more servings of vegetables as a reasonable(合情理的)daily goal. Thomas says，“Fresh or frozen fruit is better than fruit juice. Fresh or frozen vegetables are better because canned vegetables usually contain salt.”In general， kids should avoid snacks with high sugar content， says Thomas. “More importantly， if a sugary snack takes the place of healthier food， the child is not getting the nutrition he or she needs. High-fat food tends to make a child feel worried， while eating foods that are naturally lower in fat will make it easier for kids to feel more energetic and stay on the go.”1. What can help to stop children from eating because of boredom？ A. Giving them a daily schedule. B. Giving them a lot of snacks. C. Preventing them from watching TV. D. Making them eat a lot of fruits.2. What kind of snacks should we give children？ A. Fruit juice. B. Frozen fruit. C. Canned vegetables. D. Snacks rich in sugar.3. Foods that are naturally lower in fat are necessary for children because _. A. they help children lose weight B. they help children get necessary nutrition C. they stop children from getting bored D. they make children active and energetic4. We can infer from the text that _. A. its hard to tell the difference between boredom and hunger. B. children may get bored for lack of routine in summer C. we should limit childrens eating while theyre watching TV D. nutritious snacks should be available at any time5. The underlined word“wreck”in Paragraph 1 probably means“_”. A. improveB. changeC. ruinD. include答案与解析I. 1. disasters 2.killed 3. caused4. aware 5. what 6. down7. polluted 8. urgent 9. protect10. nowhereII. 1. flows 2.production 3. Recycling4. greedy 5. responsibilities 6. operating7. belief 8. debate 9. willing10. pumpsIII. 1. to open the floor 2. has cut back on3. run out 4. to flow into5. resulted in 6. are concerned about 7. as long as 8. What ifIV. 1. way； which； damage 2. causing； dea