2021-2022学年高中英语课时分层作业7SectionⅠ、Ⅱ(含解析)牛津译林版必修5.docx

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1、Unit 3 Science and nature课时分层作业(七)Section I II(建议用时：35分钟)语言知识练习固根底单句语法填空1. She is the first one (understand) that problem.2. the other hand, we students have to do masses of homework both athome and at school.3. Many Chinese college graduates leave their country to get further education in America t

2、he intention of getting better jobs in the future.4. A lot of students waste their spare time surfing the Net； a consequence,they often fail to finish their homework on time.5. Turn off the TV, so you can concentrate your homework.6. Nowadays, some hot network languages(adopt) in some official media

3、,such as CCTV and People s Daily.7. If he (improve) his IT skills, hef d easily get a job.8. The chi Idren were anxious for their mother(come) as soon as possible.9. (exact) speaking, you are to bkime for the accident.10. No matter what happens, we must push ahead our plan.高考题型练习提能力I .阅读理解Plant clon

4、ing has been an agricultural technique used by farmers and gardeners for centuries. Graft ing(嫁接)is a common form of plant cloning. Many plants in nature actually clone themselves and reproduce asexually.Cloned plants are much more predictable than normal plants, so their yield(产量)is more reliable.

5、Cloned plants al so reproduce faster, limiting the amount of time between planting and harvesting. It is also often cheaper to produce seeds through cloning than through traditional methods. Plants can essentially be optimized so that farmers or individual growers always have the best seeds availabl

6、e. With more yield at a faster rate, farms can produce more food for more people while decreasing overall costs.Cloning can be used to wipe out diseases that previously killed off entire fields of cr, plants that are near extinction can be brought back to life through cloning.Through cloning scienti

7、sts can develop “super fruits and vegetables of superior nutritioneil quality. This could make for a healthier population overall.This is already being done through selective pollination（授粉），and genetic cloning could take it to the next level.By plant cloning we have a population of identical plants

8、 and all these plants equally suffer from the same diseases, but in nature the weak would die and the strong would survive. Whi le there are some dangers to consider with plant cloning, there are plenty of benefits that could prove vital to the propagation（繁衍）of the human species.1. The underlined w

9、ord “optimized in Paragraph 2 can bo replaced by ”.A. enlargedB. producedC. perfectedD. examined2. According to the text, cloned plants.A. have 1ower yield than norma 1 plantsB. have a short growth cycleC. resist various kinds of diseasesD. need little care from people3. What can we infer from the t

10、ext?A. The fruits produced by cloned plants taste much better.B. There are more cloned plants than normal plants.C. Plant cloning can disturb the laws of nature.D. People should avoid eating cloned fruits.4. What is the main purpose of the text?A. To warn the negative effects of plant cloning.B. To

11、present different kinds of plant cloning.C. To predict the future of plant cloning.D. To inform us about the advantages of plant cloning.H.阅读七选五（2021 山东省邹城市第一中学高二上学期期中）Are These the Best Years of Your Life?The ups and downs of life may seem to have no predictable plan. But scientists now know there

12、are very clear life patterns that almost all people share. Even if you have passed some of your best years, you still have other good years to come. 1When are you smartest? From 18 to 25, according to I. Q. scores; but you are wiser and more experienced wi th increasing age. You* re sharpest in your

13、 2()s; around 30, mentcil abilities begin to decline, particularly your ability to do maths. 2 Your vocabulary at age 45, for example, is three times as great as when you graduated from col lege. At 60, your brain possesses almost four times as much information as i t did at age 21._3_ You have the

14、best physical sense of yourself from 15 to 24, when you feel energetic al 1 the time. The best professional sense seems from 40 to 49. Before age 24, we believe that our happiest years are yet to come. Over 30, we believe that theyt re behind us. A National Health Survey agrees: After age 30, we abe

15、come more realistic and do not view happiness as a goal in itself. If we keep our health, achieve professional and emotional goals, then happiness, we feel, wi11 follow.”4 Generally between 30 to 39, but the peak(顶峰)varies with different professions. Mozart wrote a symphony by age eight, and Mendels

16、sohn composed his best -known work, A Midsummer Night s Dream, at 17, but most of the great music was wri tten by men between 33 and 39. Though the peak in most fields comes early-most Nobel Prize winners did their top research in their late 20s and 301 s, creative people continue to produce quality

17、 work throughout their lives. 5A. When are you happiest?B. When are you most creative?C. But your ability to complete other tasks climbs.I. . The above gives you an accurate figure.J. Certain good years seem to come later in life.K. For people who are creative, there is no upper age limit.L. The hum

18、an 1i fe journey cannot be charted by a clear Ii fe pattern.in.语法填空(2021 内蒙古鄂尔多斯市第一中学高二上学期第三次月考)Yiwu, China, April 29 (Reuters)The first freight train (货运歹车)to run from Britain to China arrived in the city of Yiwu in eastern China on Saturday, 1.(complete) its 12, 000 kms-journey.The train , 2.carri

19、ed items such as vitamins and baby products , 3.(greet) by traders and shipping company officials when it arrived at Yiwu West station after departing London on April 10. The first freight train from China arrived in Britain in January.M. (operate) by Yiwu Timex Industrial Investment, the Yiwu-Londo

20、n freight service makes London 5.15th European city to have a rai 1 link 6.(direct) with China after the 2021 beginning of the “One Belt, One Road initiative (建议)by Chinese President Xi Jinping.“This freight train is a 7.(reflect) of the achievements of trade, Yiwu Timex Chairman Timmy Feng told Reu

21、ters Television.After leaving London the bright red train passed through seven 8. (country)France, Belgium, Germany, Poland, Belarus, Russia and Kazakhstcinbefore arriving in Yiwu.For Britain, the train 9. (be) part of an effort to strengthen trade links with the rest of the world as it prepares to leave the European Union 10.two years* time.