人教版必修3课时训练2-2.docx

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1、Unit 2 Section III 课时训|练i .单词拼写1. You will b from her good example.答案：benefit2. The two schools are to be c to form one big new school.答案：combined3. His English was so 1 that he couldnt even tell the foreign friend where he was from.答案:limited4. The teacher told him not to（叹息）over the failure of yes

2、terdays test.答案：sigh5. . Chocolate .can offer you some e when you are tired or hungry.答案：energyn.短语填空in debt, before long, spy on, earn ones living, put on weight1. It is easier to, but it is quite difficult to lose weight.答案：put on weight2. He tried so hard to stay awake, but he fell asleep.答案：befo

3、re long3. Being unable to speak English, he found it hard to in America.答案：earn / make his living4. Do not borrow money from others unless you want to be.答案：in debt5. . Nobody, including your parents, has the right to you.答案：spy onin.单项填空1. My mother often saves a lot of money by the prices of every

4、thing she buys.A. turning downB. cutting downC. turning upD. cutting up解析：考查动词短语词义辨析。句意：通过砍价，妈妈经常节省不少钱。turn down 使（音 量）变小“；cut down 砍掉；削减”；turnup ”出现；开大（声音等）；cut up 切碎。答案：B2. Harry has been out of work for six months, so he has difficulty.A. earning livingsB. earning his livingC. to earn livingsD. t

5、o earn his living解析：考查短语用法。have difficulty（in）doing sth.是固定，句式，意为“做某事有困难”；“谋生”用earn ones living表示。故选B项。答案：B3. The owner of the restaurant was afraid of in debt and decided to do some researchhealthy foods to change the situation.A. to be； onB. being； toC. to be； inD. being； into解析：句意：餐馆老板害怕负债，决定对健康食

6、品做一番研究以改变局势。be afraid of 后接 doing o be in debt “负债；do some research into ”对进行研究”。答案：D4. Dont be so upset.lt wont be your children can return to school again.A. long beforeB. long agoC before longD . long解析：考查固定句型。句意：不用伤心，不.久你的孩子们就会重返校园的。“Itwon，tbe long before.意为“不久之后就”。答案：A5. 一Mum, why have us eat m

7、uch vegetable?一Because it is to our health.A. benefitB. benefitedC. beneficialD. benefits解析：句意：妈妈，我们为什么吃很多蔬菜？ 因为对我们的健康有好处。be beneficial to ”对有好处”。答案：C6. After I told her the news, she me in astonishment.A glanced atB. glared atC watched atD. stared at解析：句意：我告诉她这个消息之后，她吃惊地盯着看我。glance at “扫视”；glare at

8、 “怒 视；watch后不接介词而直接接宾语；stare at “盯着看”。答案：D7. The speed of cars and trucks is 30 kilometers per hour in large cities in China.A- limitedB. limitingC. limiting toD. limited to解析：句意：在中国大城市里车速被限制在每小时30公里以内。“limitto.” “把限 定在范围之内”。答案：D8. Letsmy scientific knowledge and your business skills and start a com

9、pany.A. connectB. relateC. combineD. put解析:考查动词词义辨析。connect “联系”；relate “相关”；combine “结合 ；put “放 置”。由题意可知C项正确。答案：C9. 一Im so tired after a whole night work.-a rest?A. Why dont takeB. Why not takingC. Why not takeD. Why not to take解析：句意:工作了整个晚上，我很劳累。为什么不休息一会儿呢？ “Whynot +do sth.? ”表示“为什么不做某事呢？ ，故选C项。答案

10、：c10. Teens should learn to their teachers or parents when meeting problems they can notsolve themselves.A. combineB. concernC. consultD. command解析：句意：当遇到自己解决不了的问题时，青少年应该学会向老师或家长咨询。 consult ”咨询，请教”，符合句意。combine （使）联合” ；concern 担忧；涉及“；command ”命 令；指令”。答案：c11. She sent you to me, didnt she?A. put onB.

11、 spy onC. rely onD. hold on解析：句意：她派你来监视我，对不对？ spyon “暗中监视”，符合句意。puton “穿上”； rely on “依赖；依靠“；hold on “别挂断”。答案：B12. The Great Wall is tourist attraction that millions of people pour in every year.A. so a well-knownB. a so well-knownC. such well-known aD. such a well-known解析：句意：长城是一处如此有名的旅游胜地以至于每年都有上百万

12、人来参观。本句为 “so/suchthat”句式。当so/such后有形容,词修饰的单数可数名词时，其结构分别为“so+形容 词+不定冠词+单数可数名词”和“such+不定冠词+形容词+单数可数名词”，由此判断选 D项。答案：D13 . 一 either he or I to blame?Neither he nor you.A. Is； isB. Is； areC. Am； areD. Am； is解析：句意:他或者我该负责任吗？他和你都不该负责任。“either. or.”和“neither.nor.”连接两个并列主语时，谓语动词的单复数要与靠近它的主语一致。答案：B14 . Most p

13、eople would agree that nuclear science should be developed to benefit the human beings harm them.A more thanB. other thanC less thanD. rather than解析：句意：大多数人认为发展核科学应该,造福人类而不是伤害他们。more than “超过”； other than “除了 ； less than “少于；rather than 而不是”。根据句意可知选D项。答案：D15 She her place in the team training hard.A

14、. took； byB. earned； forC. gained； asD. earned； by解析：句意：她通过刻苦训练来赢得在队里的位置。前一空格内应选表示“赢得”意义 的词，后一空格内应选表示方式的介词。答案：DW.阅读理解AOrganic food is no healthier than ordinary food, a large independent review has concluded.More than 50 studies were included in the review.There is little difference in nutritional v

15、alue and no evidence of an extra health benefits from eating organic produce, UK researchers found.The Food Standards Agency（FSA）who commissioned（委托）the report said the findings would h.elp people make aninfbrmed choice”. But the Soil Association criticized the study and called for better research.R

16、esearchers from the London School of Hy.giene and Tropical Medicine looked at all the evidence on nutrition and health benefits from the past 50 years.Among the 55 of 162 studies that were included in the final analysis, there were a small number of differences in nutrition between organic and ordin

17、arily produced food but not large enough to be of any public health relevance, said the study leader Dr.Alan Dangour.Overall the report found no differences in most nutrients in organically or ordinarily grown crops, including in vitamin C, calcium and iron.The same was true for studies looking at m

18、eat, dairy and eggs.Differences that were discovered , for example in levels of nitrogen（氮）and phosphorus）, were most likely to be due to differences in fertilizer use and ripeness at harvest and were unlikely to provide any health benefit, the report concluded.Gill Fine, a FSA director, said, “This

19、 study does not mean that people should not eat organic food.What it shows is that there is little, if any, nutritional difference between organic and ordinary food and that there is no evidence of additional health benefits from eating organic food. She added that the FSA was neither pro nor anti o

20、rganic food and recognized there were many reasons why people chose to eat organic, including animal welfare or environmental concerns.Dr.Dangour said, “Our review indicates that there is currently no evidence to support the selection of organically over ordinarily produced foods on the basis of nut

21、ritional superiority（tfc 势）“He added that better quality studies were needed.Peter Melchett, a policy director, said they were disappointed with the conclusions. The review rejected almost all of the existing studies of comparisons between organic and Bnon-organic nutritional differences.Without lar

22、ge-scale, longitudinal research（纵向研究）it is difficult to come to far-reaching clear conclusions on this, which was acknowledged by the authors of the FSA review.Also, there is not sufficient（充分的）research on the long-term effects of pesticides（杀虫齐ll）on human health, “ he added.语篇解读：一项大的独立审查得出结论：有机食品并不

23、比普通食品更健康。但对这个结论 仁者见仁智者见智。1. Which of the following is TRUE according to the independent review?A. Organic food is richer in calcium and iron.B Organic food develops from non-organic food.C. Ordinary food is not healthier than organic food.D. Nutrients in organic and ordinary food are almost the same

24、.解析：细节理解题。由第一段可知，有机食品并没比普通食品健康，它们的营养价值没 有多大区别，也没有证据显示吃有机食品能在健康上获得额外的好处。答案：D2. Dr.Alan Dangour shared Gill Fines opinion that.A. organic food wasnt superior to ordinary foodB. better quality studies were needed in futureC people benefited more from organic food than ordinary foodD. people neednt choo

25、se to eat organic food解析：推理判断题。首先注意第三段中Dr.Alan Dangour和第六段中Dr.Dangour是同一个 人；该文第三至六段正方论点Organic food is no healthier than ordinary food；第七段是反方 观点。答案：A3. Peter Melchett was disappointed with the conclusions mainly because.A. the researchers ignored the influence of pesticidesB the conclusions are diff

26、erent from the previous studiesC. the researchers didnt adopt scientific research methodsD. the conclusions are only based on a narrow scale and thus unbelievable解析：推理判断题。从最后一段最后两句知，Peter Melchett认为没有经过长期的大规模 的纵深研究的结论是草率武断的，并不可信，所以是令人失望的。答案：D4. What is the authors attitude towards the opinionOrganic

27、 food is no healthier than ordinary food”？A. Approving（同意的，赞成的）.B. Neutral（中立的）.C. Negative（消极的）.D. Disappointed.解析：推理判断题。作者既没有支持也没有反对这个结论，只是把正反两方的观点呈现 给读者，所以态度是中立的。答案：BBThomasTommyCarter is a plant scientist in North Carolina with the Agricultural Research Service in the United States Department of

28、 Agriculture.He leads Team Drought, a group of researchers at f .ive universities.They have been using traditional breeding（培育）methods to develop soybeans（大豆）that can grow well under dry conditions.Tommy Carter started working on drought-resistant soybeans in 1981.His research has taken him as far a

29、s China, where soybeans have been grown for thousands of years.Farmers in the United States, however, have grown soybeans for only about a century.Tommy Carter says the soybeans they grow are for the most part genetically similar.More differences, or diversification, could better protect crops again

30、st climate changes that can reduce production.Those changes include water shortages which could increase from global warming.The Agriculture Department has a soybean germplasm（胚质）collection, a collection of genetic material passed from one generation to the next.Members of Team Drought studied more

31、than 2,500 examples from the collection.They looked at ones from the ancestral home of soybeans, Asia.They searched for germplasms that could keep plants from weakening and wilting（枯萎）during hot, dry summers in the UnitedStates.Tommy Carter says they found only five.But these slowwilting lines, he s

32、ays, produce four to eight bushels（蒲式耳： 容量单位）more than normal soybeans under drought conditions.The output depends on location and environment.The team is now doing field tests.The first breeding line is expected to be released next year for use by private seed companies and public soybean breeders.

33、Scientists are also working on other plants that either use less water or use it better, or both.For example, companies like Monsanto, DuPont and Syngenta are developing corn with reduced water needs.Monsanto expects to be ready in four years to market its first corn seeds genetically engineered to

34、resist drought.语篇解读：为应对威胁农作物生长的缺水现象，美国科学家正进行田间试验，希望能够找 到抗旱的大豆和其他农作物。5. What is the passage mainly about?A. A portrait of a plant scientist.B A comparative study on soybeans.C. Drought that threatens agriculture.D. The development of water-saving crops.解析：主旨大意题。本文主要介绍美国科学家正在研究抗旱的大豆和其他农作物，即节 约用水的农作物。答

35、案：D6. From the passage we can learn that.A. Asia has a long history of growing soybeansB America depends on the export of soybeans from ChinaC. soybeans that reduce water needs have been developedD. American soybeans are genetically similar to Asian soybeans解析：细节理解题。从第五段“They looked at ones from the

36、 ancestral home of soybeans”和第 二段 .China, where soybeans have been grown for thousands of years. ” 可知 A 项对。答案：A7. Tommy Carter is doing the research on the crops that.A- are genetically similar8. increase food productionC. defend themselves against droughtD. can survive global warming解析：细节理解题。本文多处提到

37、科学家正在研究抗旱的农作物，其他的选项没有提到。答案：C8 . It can be inferred that genetically improved crops.A benefit American farmersB grow well against climate changeC. are being studied in Asia by Tommy Carters teamD. sell well in such companies as Monsanto and Syngenta解析：细节理解题.从第三段More differences, or diversification, could better protect crops against climate changes that can reduce production, 可矢口 B 项正确.答案:B