北师大版英语选修7 Unit 21 Human Biology同步练习Word版含答案文档格式.docx

1、 It is exploitation, not a solution.It would be better to apply creative thinking about protection to the reallife problems of todays world. Deextinction takes attention away from the difficult situation of endangered animals. Discussions about woolly mammoth cloning do nothing to stop the illegal k

2、illings of endangered wild African elephants. Money would be better used to prevent human conflict with wildlife and their ecosystems.Lets keep deextinction in the world of science fiction, learn from our failed past, and protect wild animals and their habitats for the future.语篇解读本文为一篇议论文。通过克隆或基因工程使

3、已经灭绝的动物“复活”引起了一些科学家的兴趣，但这种做法对于现存的动物及生态环境等不一定有利。1The underlined word “it” in Paragraph 1 refers to “_”AdeextinctionBcloning or genetic engineeringCexploitationDNational Geographic Magazine解析：词义猜测题。根据第一段第一句可知“deextinction”指的是“通过克隆或基因工程使已灭绝的动物重生”。再结合第三句（支持者们说他们这么做是出于道德），由此可见画线的it指的就是“deextinction”，故答案为

4、A项。答案：2In Paragraph 2, examples are given to show that _.Amodern elephants are related to woolly mammothBscientists should improve the cloning processCdeextinction does harm to some animalsDits possible to bring back extinct animals推理判断题。第二段的主题句为第一句话，即Considering the imperfect science of cloning，dee

5、xtinction would cause animals suffering.然后作者用举例的方法说明了这一道理，由此可见本题答案为C项。C3What might happen if extinct animals come back to the wild?AThe problem of extinction will be solved.BThey will live in their original habitats.CThe balance of nature may be disturbed.DMore endangered animals will be saved.细节理解题

6、。根据第三段中的“if they do manage to survive，they will affect their environment in unpredictable ways，presenting a new threat to the ecological system”（如果它们真的生存下来了，它们会以不可预知的方式影响它们的生存环境，从而对生态系统造成一个新的威胁）可知答案为C项。4According to Paragraph 4, deextinction may _.Aprevent the illegal killings of African elephantsBm

7、ake people care less about endangered animalsCprevent the conflict between humans and animalsDraise public awareness of protecting animals根据第四段中的“Deextinction takes attention away from the difficult situation of endangered animals.”可知答案为B项。BIf you followed the 2016 Olympic Games, you may have notice

8、d that several athletes, including US swimmer Michael Phelps, had circular bruises on their bodies. These bruises were the result of “cupping （拔火罐） therapy”， a traditional Chinese medicinal practice that has been around for more than 2,000 years.Many athletes say that they have benefited from the th

9、erapy. Phelps used the therapy in the fall of 2014 and has used it about twice a week since, reported ABC News. Another US swimmer, Dana Vollmer, also believes that “it really helps with blood flow”However, some have said that the supposed health effects result from peoples feeling that the treatmen

10、t works, rather than any physical effect of the treatment.To figure out cupping therapy has any physical effect, last year researchers from Germany carried out a test in which a false treatment was provided.In the study, the same type of cups was used in the real treatment and the false treatment. B

11、ut in the false treatment，the cups had a hole at the top so that they couldnt create the proper suction （吸力）The tested patients, who suffered from a disorder that caused a lot of pain, were told that they would receive either traditional cupping or “soft cupping”. But they were not informed that the

12、 socalled “soft cupping” was a false treatment.It turned out that most patients correctly guessed which kind of cupping they had received. In both groups, patients also experienced about the same reductions in pain. “The results suggest the effects of cupping therapy might come from factors that are

13、 not necessarily part of the treatment itself，” the researchers told the Live Science website.The question of whether cupping therapy works still needs to be answered.“But because the treatment is relatively safe and it could be helpful for some people, the therapy can be used as part of a comprehen

14、sive treatment program involving other exercises, nutritional choices and lifestyle changing，”Dr Brent Bauer, director of the US Complementary and Integrative Medicine Program at Mayo Clinic, told Live Science.语篇解读本文主要介绍了中国传统医疗方式拔火罐的实际疗效问题。5Why is Michael Phelps mentioned in the passage?ATo give ath

15、letes a new way to swim faster.BTo provide athletes with a new way of treatment.CTo introduce the topic on cupping therapy.DTo show swimmers suffer from disorders.根据文章前两段的整体内容可推知，提到运动员菲尔普斯是为了导入文章的话题，即拔火罐疗法是否有效，故选C。6The purpose of the test by researchers from Germany was to _.Apromote the health effe

16、cts of cupping therapyBsee whether cupping therapy has a physical effectCcompare traditional cupping with soft cuppingDcompare cupping therapys effects on different groups of people根据第四段整体内容可知，实验的目的是验证拔火罐是否真的有效。7What can be learned from the passage?ADifferent people need different types of cupping t

17、herapy.BThe real treatment and false treatment almost have the same effects.CThe results show that cupping therapy is not part of the treatment.DCupping therapy is only effective when used with lifestyle changing.根据倒数第二段的“In both groups，patients also experienced about the same reductions in pain.”可知

18、，实验表明两种不同的拔火罐方法效果是一样的。8According to Dr Brent Bauer, cupping therapy _.Ais a fast and easy treatment for people to carry outBis a newly invented way to cure some diseasesCneeds a long period of time to take effectDcan be used together with other treatments根据最后一段中的“But because the treatment is relativ

19、ely safe and it could be helpful for some people，the therapy can be used as part of a comprehensive treatment program involving other exercises，nutritional choices and lifestyle changing”可知，Dr Brent Bauer认为拔火罐可以和其他方法一起配合治疗。D.语法填空All of us have read thrilling stories.In many of 1.them （they） the hero

20、 had only a 2.limited （limit） and specified time to live.Sometimes it was as long as a year；sometimes as short as twentyfour hours，3.but we were always interested in 4.discovering （discover） just how the dying man chose to spend his last days or his last hours.Such stories set up thinking，wondering

21、5.what we should do under similar circumstances.What 6.happiness （happy） should we find in reviewing the past，and what regrets? Sometimes，I have thought it would be an excellent rule to live each day 7.as if we should die tomorrow.Such an attitude would stress 8.sharply（sharp） the values of life.I h

22、ave often thought it would be a blessing if each human being 9.were （be） stricken blind and deaf for a few days at some time during his early adult life.Darkness would make him 10.more （much） appreciative of sight；silence would teach him the joys of sound.短文改错Last Sunday，I sat at my favorite table i

23、n a restaurant and wait for the food I had ordered to arrive.Suddenly I found that Lin Ling，one of my classmate，worked like a waitress there.Honest speaking，it was great surprise for me to find her working there.As far as I know，shes from a richer family.What was it that made her to work there? I wa

24、lked up to her and asked her the reason.When asking，she said，“I just want to earn some pocket money so that we can help some children in poor areas go back to school.”How a good girl! I should learn from her.Last Sunday，I sat at my favorite table in a restaurant and for the food I had ordered to arr

25、ive.Suddenly I found that Lin Ling，one of my ，worked a waitress there. speaking，it was great surprise for me to find her working there.As far as I know，shes from a family.What was it that made her work there? I walked up to her and asked her the reason.When ，she said，“I just want to earn some pocket money so that can help some children in poor areas go back to school.” a good girl!.书面表达假定你是班长李华，打算为本班的加拿大交换生Wendy举办18岁生日聚会，请用英语给她写一封电子邮件，告知她聚会的时间、地点、参加人员以及活动安排，并征求她的意见。注意：1.词数100左右；2可以适当增加细节，以使行文连贯；3开头和结尾已为你写好，不计入总词数。Dear