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1、Unit 2 Cloning.单句语法填空1I think it is her personality rather than her looks _has struck me.答案：that2Since her only child passed away a few years ago, family has been a _(forbid) topic for her.答案：forbidden3Liu Lei insisted that he merely did what everybody would have done and strongly objected to _(call
2、) a hero.答案：being called4Equipped with modern facilities, todays libraries differ greatly _those of the past.答案：from5This morning my grandpa wrote his doctor a letter saying that he owes _to her that he is still alive.答案：it6Honey, look at your mistake in spelling this word, or you _(obtain) full mar
3、ks in this exam.答案：could have obtained7The project _(undertake) by the young engineer on his own turned out to be very successful.答案：undertaken8Why bother _(go) abroad to study, when there are so many good universities at home?答案：to go9The boy couldnt resist _(show) off his being praised by the teac
4、her on arriving home.答案：showing10We ought to pay attention to doing small things well, because small things make a _(different)答案：difference.阅读理解A(2016山东省高三冲刺模拟二)Wake Up, Sleep Gene Some people can stay up all night and still get work done the next day. Im not one of them. After a night without enou
5、gh sleep, I feel badtempered. I have trouble remembering things. And all I want to do is crawl back into bed and sleep.How do you feel after youve stayed up late to finish schoolwork? Or the day after an overnight party? Scientists now say that your answers to these questions may depend on your gene
6、s.New research suggests that a gene called period 3 affects how well you function without sleep. The period 3 gene comes in two forms：short and long. Everyone has two copies of the gene. So, you may have two longs, two shorts, or one of each. Your particular combination depends on what your parents
7、passed on to you.Scientists from the University of Surrey in England studied 24 people who had either two short or two long copies of period 3. Study participants had to stay awake for 40 hours straight. Then, they took tests that measured how quickly they pushed a button when number flashed on a sc
8、reen and how well they could remember lists of numbers.Results showed that the people with the short form of period 3 performed much better on these tests than the people with the long form did. In both groups, people performed worst in the early morning. Thats the time when truck drivers and other
9、nightshift workers say they have the most trouble concentrating.After the first round of experiments, participants were finally allowed to sleep. People in the group that performed well on the tests took about 18 minutes to nod off.People with the long period 3 genes, by contrast, fell asleep in jus
10、t 8 minutes. They also spent more time in deep sleep. That suggests that people with the long form of the gene need more and deeper sleep to keep their brains working at top form.I think I must have the long form of period 3. What about you?【解题导语】本文是一篇研究性短文。主要说明了睡觉的多少与基因有关。1The purpose of this passa
11、ge might be _.Ato tell us the importance of plenty of sleepBto tell the result of a research on sleepy geneCto inform the harm of lacking sleepDto announce the sleeping rules of humansB解析：主旨大意题。通读全文，并根据该文章的题目Wake Up, Sleep Gene以及文章的第三段判断是一篇研究性报告，故选B。2What kind of people need less sleep according to
12、the research?AThose with two short copies of the gene.BThose with two long copies of the gene.CThose with one short and one long copy of the gene.DThose with three short copies of the gene.A解析：细节理解题。根据文章第五段第一句Results showed that the people with the short form of period 3 performed much better on the
13、se tests than the people with the long form did.可知，Those with two short copies of the gene需要睡眠时间最少，故选A。3If one lacks enough sleep, one should avoid doing important or dangerous things _.Aat noonBat nightCin the afternoon Dat dawnD解析：细节理解题。根据文章第五段第二句In both groups, people performed worst in the early
14、 morning.可知，缺觉的人在黎明时分表现最差，故选D。4Why did the writer suppose he or she had a long form of period 3?ABecause the writer could remain energetic without enough sleep.BBecause the writer could do things correctly at dawn.CBecause the writer needed more sleep to keep energetic.DBecause the writer recovered
15、quickly after sleep.C解析：推理判断题。根据文章最后两段的People with the long period 3 genes, by contrast, fell asleep in just 8 minutes. They also spent more time in deep sleep. That suggests that people with the long form of the gene need more and deeper sleep to keep their brains working at top form.和I think I must have the long form of period 3. What about you？可知作者需要更多的睡眠时间，故选C。B(2016江西重点中学盟校第一次联考)Students wishing to safeguard their careers against changes in the job market should opt for scien
