高二英语选修6单元强化训练52.doc

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03 课后演练提能
[夯实·基础知识]
Ⅰ. 用所给动词的正确形式填空
1. If I ________(see) him yesterday I ________(ask) him about it.
答案：had seen; would have asked
2. What do you think would happen if there ________(be) no light during the days?
答案：were
3. But for your help, I ________(find) the place.
答案：couldn't have found
4. If her lawyer ________(be) here last Sunday, he ________(prevent) her from going.
答案：had been; would have prevented
5. If Miss Green ________(come) late tomorrow, who would take her place?
答案：came
6. The teacher suggested that a study plan________(make) right now.
答案：be made
7. I wish I ________(know) the answer, but it is too difficult for me.
答案：knew
8. I'd rather Tom________(come) tomorrow.
答案：came
Ⅱ. 完成句子
1. I wish I ________ to the moon one day.
但愿有一天我能飞往月球。
答案：could fly
2. ________________， he might have come.
要不是生病，他会来的。
答案：Had he not been ill
3. ________________， we ________________so much.
没有你的帮助，我们不可能取得这么大的成绩。
答案：Without your help; wouldn't have achieved
4. Seize the chance, ________ you ________ regret it.
如果不抓住这个机会，你会后悔的。
答案：otherwise; would
5. I ________ you ________ not ________ the case.
我希望你不要卷入这件事。
答案：would rather; were; involved in
6. I suggest that we (________) ________ a meeting next week.
我建议我们下周召开个会议。
答案：should hold
Ⅲ. 单句语法填空(不多于3个单词)
1. [2014·浙江高考]They were abroad during the months when we were carrying out the investigation, or they ________ (come) to our help.
答案：would have come'句意：我们在做调查的那几个月，他们在国外，否则他们会来给我们帮忙的。考查虚拟语气。由句意可知设空处表示与过去事实相反的假设。
2. [2013·浙江高考]Eye doctors recommend that a child's first eye exam ________(be) at the age of six months old.
答案：be/should be　考查虚拟语气。句意：眼科医生建议，孩子的第一次眼睛检查应该在6个月大时进行。recommend建议，其宾语从句中用should do表虚拟语气，且should可以省略。
3. [2014·北京高二检测]－Let's play tennis together tomorrow afternoon.
－OK, but how I wish I ________(play) it as well as you.
答案：played　句意：——明天下午我们一起打网球吧。——好的，但是我多么希望和你打得一样好啊。根据句意可知表示的是与现在的虚拟，故用一般过去时态。
4. Without the air to hold some of the sun's heat, the earth at night________(freeze) cold for us to live.
答案：would/could/should/might be freezing 　句意：如果空气不能吸收一部分太阳的热量，在晚上我们生活的地球将会极其冷的。without引出的介词短语为一个与现在事实相反的含蓄条件句。freezing极冷的。
5. ________ you be fired, your health care and other benefits will not be immediately cut off.
答案：Should　句意：如果你被解雇，你的健康保险和其他的利益不会被立即去掉。根据句意可知条件句表述的是对将来事实的假设，故用should＋动词原形，并且在虚拟语气中可以省略if，将should放在句首，用倒装句。
6. －Where have you been?
－I got caught in traffic; otherwise I ________(be) here sooner.
答案：would/could/should/might have been　句意：——你去了哪里啊？——我遇到交通堵塞；否则我就会早点来这里。本句是含有otherwise引导的含蓄条件句，并且根据I got caught in traffic可知是表示对过去客观事实的不符。
7. You ________(not make) such a serious mistake if you had followed his advice.
答案：mightn't/couldn't/shouldn't/wouldn't have made　句意：如果你听从他的建议，你可能就不会犯这么严重的错误。if从句中是过去完成时态，可推断是与过去客观事实的不符，又根据主从句的时态要求，故答案填mightn't/shouldn't/couldn't/wouldn't have made。
8. What should we do if it ________(snow) tomorrow?
答案：should snow/were to snow/snowed　句意：明天要是下雪我们怎么办啊？从时间tomorrow看，表示的是与将来事实的不符。
9. [2014·大庆高二检测]Should the present unemployment continue, the society ________(face) a more troublesome situation.
答案：would/could/might/should face　句意：要是目前的失业继续的话，社会就会面临一个更加麻烦的状况。根据从句的谓语动词should和句意，我们可推断表示将来的愿望不可能实现。
10. If they had worked hard, they ________(be) very tired now.
答案：would/could/might/should be　句意：要是他们工作很努力的话，他们现在会很疲劳的。根据句子结构，主从句叙述的时间不一致，从句是过去而主句是现在。
[提升·实战能力]
Ⅳ. 阅读理解
A
Human cloning technology could be used to reserve heart attacks. Scientists believe that they may be able to treat heart attack by cloning their healthy heart cells and injecting them into the areas of the heart that have been damaged, and other problems may be solved if human cloning and its technology are not forbidden.
With cloning, infertile couples could have children. Current treatments for infertility, in terms of percentages, are not very successful. Couples go through physically and emotionally painful procedures for a small chance of having children. Many couples run out of time and money without successfully having children. Human cloning could make it possible for many more infertile couples to have children than ever before.
We should be able to clone the bone marrow(骨髓) for children and adults suffering from leukemia (白血病)．This is expected to be one of the first benefits to come from cloning technology. We may learn how to switch cells on and off through cloning and thus be able to cure cancer.
Cloning technology can be used to test for and perhaps cure gene­related diseases. The above is just a few examples of what human cloning technology can do for mankind. This new technology promises unprecedented (前所未有的) advancement in medicine if people will release their fears and let the benefit begin.
这篇文章主要讲述了人类克隆技术对于心脏病、不孕不育、白血病以及遗传疾病等方面预防和治疗的美好前景。
1. Heart attacks can be treated with human cloning technology by ________.
A. removing the damaged part of the heart
B. replacing the old heart with a cloned one
C. giving the patients injections of various medicines
D. repairing the heart with cloned heart cells from healthy ones
答案：D　细节理解题。根据第一段“Scientists believe that they may be able to treat heart attack by cloning their healthy heart cells and injecting them into the areas of the heart that have been damaged...”可知，答案为D项。
2. What does the underlined word “infertile”(Paragraph 2) most probably mean?
A. Unable to give birth to a child.
B. With physical and emotional problems.
C. Short of time and money.
D. Separated from each other for long.
答案：A　词义猜测题。通过第二段“With cloning, infertile couples could have child.”以及“Many couples run out of time and money without successfully having children”可知infertile是不孕不育之意。
3. According to the text, one of the first expected benefits from cloning technology may be in ________.
A. the treatment of heart attacks
B. the bearing of babies
C. the cure of leukemia
D. the detection of gene­related diseases
答案：C　细节理解题。根据第三段的第一和第二两句可知C项正确。
4. What can be inferred according to the last passage?
A. Many people show their fears of cloning.
B. Cloning technology can not be used to cure gene­related diseases.
C. Human beings can't benefit from cloning at all.
D. Cloning technology promises unprecedented advancement in medicine.
答案：A　推理判断题。由第四段最后一句话可知答案A正确。
B
Agricultural scientists in the United States have put a copy of a human gene into pigs, sheep and rabbits. They report that the gene seems to be working in some of the animals. The gene that the scientists are using controls the production of the human growth hormone(荷尔蒙), a chemical necessary for growth.
They are using the human gene because it has been more closely studied than any other growth gene. The scientists hope their work will someday result in food animals that grow faster and larger or produce more milk or eggs. The research is being done by scientists at the University of Pennsylvania, the University of Washington and the United States Department of Agriculture. The scientists put copies of human growth hormones into the fertilized(受精的) eggs of the female animals. When baby animals were born from the eggs, the scientists looked for evidence that the human gene had become part of the animal's genetic material. They examined almost 200 baby pigs and found the gene in 20 of them. They found it in 28 of more than 200 rabbits, but it was in only one of 73 baby sheep. The scientists said they found the human growth chemical produced by the gene in some of the animals.
It is too soon to know if the animals will pass the human growth gene into their young, proving that the gene has become part of their genetic material. Similar research with mice two years ago produced a new kind of mouse that is two times larger than normal. The scientists hope the same thing will happen with farm animals. They say their research will permit other gene transplants that can give animals defense against diseases, or let them live in very hot or very cold places. American farmers already use chemical hormones to increase the size of cattle and the amount of milk they produce. But they have to put the hormones into the cows. If the gene transplants are fully successful, the cow's body will produce growth hormones.
文章介绍了美国科学家对于将人类生长基因移植到动物体内的研究。
5. How many kinds of animals have scientists put copies of the human gene into?
A. 2. B. 3.
C. 4. D. 5.
答案：C　细节理解题。第一段第一句提到了pigs, sheep and rabbits三种动物，最后一段提到老鼠。
6. The underlined word “them” in Paragraph 2 refers to ________.
A. the baby pigs B. baby animals
C. the scientists D. the baby sheep
答案：A　指代关系题。根据第二段中的“They examined almost 200 baby pigs and found the gene in 20 of them.”可知科学家们检查了200头小猪，发现它们当中有20头携带这种基因。
7. What can we learn about the research with mice?
A. A new kind of mouse was produced, which is defensive against diseases.
B. The hormones from the mice were then put into the cows.
C. A new kind of mouse was produced, which is twice larger than normal.
D. Scientists found that the mice can live in very hot or very cold places.
答案：C　细节理解题。根据最后一段中的“...a new kind of mouse that is two times larger than normal.”可知科学家们已经培育了一种新的是原来两倍大的老鼠。
8. Which part of a newspaper do you think this passage is probably taken from?
A. Amusement.
B. Politics.
C. Culture.
D. Science and technology.
答案：D　推理判断题。文章是关于将人类生长基因移植到动物体内的研究，因此属于科技类话题。
Ⅴ. 语法填空
阅读下面材料，在空白处填入适当的内容(不多于3个单词)或括号内单词的正确形式。
[2014·辽宁高考]
Jonny: Hey! I'm just practicing Tai Chi (太极). Would you like to join me?
Peter: I know nothing about it. Is it difficult?
Jonny: It seems easy, but you need a lot of practice. You just follow me like this.
Peter: OK. Don't laugh ___1___ me. I may look funny.
Jonny: Bend your knees slightly and reach out your arms like tree branches, naturally and ___2___ (soft). Try to keep your body straight. Move slowly, then be sure to keep your balance and don't let your body shake.
Peter: I cannot control my body well. My legs become ___3___ (pain)．
Jonny: Keep ___4___ (hold) your position for a while. It helps develop your strength and flexibility. Raise your leg and let ___5___ stay in the air for seconds.
Peter: I feel my legs shaking. I cannot do this any longer.
Jonny: Be patient! Tai Chi ___6___ (call) “shadow boxing” in English. It asks you to act like water: to be flexible as well ___7___ strong. In real competition, a Tai Chi master borrows the strength of the competitor and uses this energy to fight back. The ___8___ (hard) you try to beat him, the more likely you will get hit. He controls you!
Peter: Unbelievable! Oh..., ___9___ you don't mind, I'll stop and take a deep ___10___.
1. ________　2. ________　3. ________　4. ________
5. ________　6. ________　7. ________　8. ________
9. ________　10. ________
本文为对话类材料。Jonny和Peter在谈论学习打太极拳的一些动作。
1. at'考查介词。laugh at嘲笑。
2. softly'考查副词。根据成分一致原则填soft的副词形式softly。naturally和softly为并列关系。
3. painful'考查形容词。根据系表结构，形容词作表语，填pain的形容词形式painful。
4. holding'考查非谓语动词。根据keep doing结构填hold的­ing形式。
5. it'考查代词。it在此处替代前面的your leg。
6. is called　考查被动语态。因为叙述的是太极拳的常识，所以用一般现在时，又因Tai Chi与call之间为被动关系，故用被动语态。
7. as'考查固定搭配。as well as＝and。
8. harder'考查副词比较级。根据“the＋比较级．..，the＋比较级．..”句型，可知填hard的比较级形式harder。
9. if'考查连词。根据句意“如果你不介意的话……”可知填if。
10. breath'考查名词。根据take a deep breath“深呼吸”，可知填breath。

沁园春·雪 <毛泽东>
北国风光，千里冰封，万里雪飘。
望长城内外，惟余莽莽；
大河上下，顿失滔滔。
山舞银蛇，原驰蜡象，
欲与天公试比高。
须晴日，看红装素裹，分外妖娆。
江山如此多娇，引无数英雄竞折腰。
惜秦皇汉武，略输文采；
唐宗宋祖，稍逊风骚。
一代天骄，成吉思汗，
只识弯弓射大雕。
俱往矣，数风流人物，还看今朝。
希望的灯一旦熄灭，生活刹那间变成了一片黑暗。——普列姆昌德

薄雾浓云愁永昼， 瑞脑消金兽。 佳节又重阳， 玉枕纱厨， 半夜凉初透。
东篱把酒黄昏后， 有暗香盈袖。 莫道不消魂， 帘卷西风， 人比黄花瘦。

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