2017_2018学年高中英语Unit2CloningSectionⅡ练习新人教版选修2.docx

Section Learning about Language,Using Language,Summing Up & Learning Tip课后篇巩固探究一、单句改错1.What I need most is mere your care and attention.答案:meremerely2.The temple is still in a good condition.答案:去掉a3.After a while,the discussion was come back to life.答案:comebrought4.The plan sounds reasonably,but it is hard to carry out.答案:reasonablyreasonable5.He took up gardening shortly he retired.答案:shortly后加after6.He paid back all the money he owed for me.答案:forto7.I really dont want to bother you of my own problem.答案:ofwith/about8.Many customers cant resist buy what they dont really need.答案:buybuying二、变式训练1.The little boy was raised by his grandfather.The little boy by his grandfather.答案:was brought up2.All the children are asked to do morning exercises because a healthy body can refuse disease.All the children are asked to do morning exercises because a healthy body can disease.答案:resist3.We walked here and there to look for a taxi but failed.We walked here and there to look for a taxi but .答案:in vain4.Sometimes I help my mother do the cooking at home. I help my mother do the cooking at home.答案:From time to time5.With thousands of soldiers having cleaned the snow on the road,the Jingzhu freeway was brought back to life.After thousands of soldiers the snow on the road,the Jingzhu freeway was brought back to life.答案:had cleaned6.It occurred to me that she might be late.It me that she might be late.答案:struck三、根据提示翻译句子1.我突然意识到我可以为我的项目筹款。(strike)答案:It suddenly struck me that I could raise money for my project.2.尽管年老,他的身体状况仍然很好。(condition)答案:Despite his old age,he was still in good condition.3.他把成功归功于家人的支持。(owe)答案:He owed his success to the support of his family.4.他因为过于自信,注定会遭受失败。(bound)答案:He was bound to suffer defeat because of his over-confidence.四、阅读理解People need to seek out new foods because the world has so many mouths to feed.As of 2015,there are more than seven billion people on Earth,according to the United Nations.And by 2100 that number may double.Feeding all of these people means not only improving the way foods are grown,but also finding new sources of nutrition.And that quest is becoming ever more urgent.If nothing changes,within 35 years,the worlds appetite will be greater than the amount of foods produced.Thats according to a report released in 2014.It was prepared by the Global Harvest Initiative,a private agriculture group based in Washington D.C.Global warming,too,is changing food production.Scientists predict that rising temperatures will reduce the growth of important crops like wheat,corn and soybeans.Low-income developing countries will be hit the hardest.When harvests fall,crops become more expensive.And since those foods are also used to feed animals like cows and pigs,meat prices,too,will rise.All over the world,researchers are racing against the clock to figure out how best to feed more people in a fast-changing world.And some surprising ideas have begun to come up.Two years ago,scientists introduced the first burger made from meat grown in a lab.The project cost more than $300,000,but its a start.Other researchers are developing seeds that can survive high temperatures and drought.Still others are finding ways to improve the genes of meat animals so they produce more meat and can stand the heat.A gloomy(悲观的) forecast for the planet isnt the only reason to study foods for the future.Its a creative quest that will inspire people who can think in new ways about existing plants and animalseven insects.These researchers have used their talents in ways that even they never would have predicted.1.What do the underlined words “that quest” in Paragraph 2 refer to?A.The research on foods.B.The increase of population.C.The variety of nutrition.D.The change of appetite.答案:A解析:词义猜测题。根据第一段最后一句及下文的食物研究可知,画线词指对食物的研究。2.How does global warming affect low-income developing countries?a.Increase meat prices.b.Raise the temperature.c.Reduce the growth of crops.d.Lead to the high cost of life.e.Cause a higher price for crops.A.bacdeB.cabdeC.decabD.bcead答案:D解析:事件排序题。根据第三段的整体内容可知,全球变暖首先是导致气温上升,然后是农作物减产,从而农作物价格上涨,进而肉类涨价,最终会导致人们生活成本增加。3.What is mainly talked about in Paragraph 4?A.New ways of farming.B.Some great researchers.C.Progress in food research.D.Achievements in lab experiments.答案:C解析:段落大意题。根据第四段第二句并结合本段的整体内容可推知,本段主要讲述的是食物研究方面的进步。4.What will be discussed in the following paragraph?A.Examples of successful food researchers.B.Different opinions about the future food.C.Methods of dealing with global warming.D.Possibilities of feeding the present population.答案:A解析:推理判断题。根据最后一段最后一句并结合本段的整体内容可推知,下文会举一些成功的食物研究者的例子。五、语篇填空(2016全国高考)If you feel stressed by responsibilities at work,you should take a step back and identify (识别) those of 1.(great) and less importance.Then,handle the most important tasks first so youll feel a real sense of 2.(achieve).Leaving the less important things until tomorrow 3.(be) often acceptable.Most of us are more focused 4. our tasks in the morning than we are later in the day.So,get an early start and try to be as productive 5. possible before lunch.This will give you the confidence you need to get you through the afternoon and go home feeling accomplished.Recent 6.(study) show that we are far more productive at work if we take short breaks 7.(regular).Give your body and brain a rest by stepping outside for 8. while,exercising,or doing something you enjoy.If you find something you love doing outside of the office,youll be less likely 9. (bring) your work home.It could be anythinggardening,cooking,music,sportsbut whatever it is,10.(make) sure its a relief from daily stress rather than another thing to worry about.答案:1.greater2.achievement3.is4.on5.as6.studies7.regularly8.a9.to bring10.make六、短文改错导学号62554008Today is the first day of this term,and a very touching thing