北师大版高中英语选修七Unit 21《Human Biology》能力提升.docx

1、北师大版高中英语选修七Unit 21Human Biology能力提升温馨提示： 此套题为Word版，请按住Ctrl,滑动鼠标滚轴，调节合适的观看比例，答案解析附后。素能提升演练（二十一）选修7 Unit 21 用所给词的适当形式填空1. The local people are _ to building the new hotel because of the great cost. (oppose)2. We should be _ to our friends. (faith)3. It is a_ to be invited to speak here. (privileged)4.

2、 The sports meeting of our school is held _. (annual)5. Our English teacher wont _ any cheating in exams. (tolerate)6. The boy didnt go home at the usual time and his parents were _about his safety. (concern)7. Smoking is strictly _ in the process of handling explosive material. (prohibit)8. The dri

3、ver was punished for_ the traffic rules. (violate)9. They cant have _ how things will turn out. (foresee)10. The sports meeting was _ because of rain. (postpone). 完成句子1. 假如她昨天邀请我参加聚会，我就去了。If she had invited me yesterday, I _. 2. 有必要保持办公室的整洁。_ to keep the offices neat. 3. 人们相信“泰坦尼克号”是在撞上冰山之后沉没的。Titan

4、ic _ after hitting an iceberg. 4. 看来非常遗憾，杰克没能够及时登机。_ that Jack did not board the plane timely. 5. 他们夺走了人民的自由。They_ the people_ their liberty. 单项填空1. When we talk about breaking records, we _ the issue of performance- enhancing drugs. A. come about B. come acrossC. come around D. come along2. It is c

5、ompulsory for winners to be tested but other participants are only tested_ . A. in advance B. by chanceC. at random D. at all costs3. 2018合肥模拟The city is well known for its education of good quality, however, its standards of education have _ in recent years. A. distributed B. contributedC. cancelle

6、d D. declined 4. When you are older and experience more of life, you will be better mentally _ to deal with whatever happens. A. offered B. provided C. equipped D. supplied 5. 2018唐山模拟Jenny hopes that Mr. Smith will suggest a good way to have her written English_ in a short period. A. improved B. im

7、provingC. to improve D. improve6It was too hard for the firefighters to get close to the burning building. All their attempts to rescue the people trapped were_ . A. in vain B. in returnC. in place D. in danger7. The old lady came to the police station and claimed _ of her purse when she was shoppin

8、g. A. to be robbed B. to be robbingC. to rob D. to have been robbed8. 2018宣城模拟Nobody can _ his rude behavior, and thats why he has no friends. A. accustom B. understandC. cover D. tolerate9. It was an unpopular decision to postpone_the new school. A. building B. to buildC. having built D. to have bu

9、ilt10. I fear that a prior engagement will _ me from joining you at dinner. A. disagree B. prohibitC. gather D. produce11. He told us that he was going to Beijing to _ his fortune. A. seek B. research C. pick D. earn12. 2018福州模拟Each member country of WTO must _ its laws and regulations and compete o

10、n the principle of fairness and cooperation. A. cater to B. correspond toC. relate to D. submit to13. Does the common man _ the idea of political union between European countries? A. deliver B. oppose C. smooth D. equal14. 2018池州模拟You must try to _ the memory of these terrible events. A. make out B.

11、 wipe outC. pick out D. work out15. We have lost _ in him and mistrusted him. A. dependence B. faithC. belief D. confidence阅读理解(A)Each cell in the human body contains about 25, 000 to 35, 000 genes, which carry information that determines your traits. Traits are characteristics you inherit from your

12、 parents; this means your parents pass some of their characteristics on to you through genes. For example, if both of your parents have green eyes, you might inherit the trait of green eyes from them. Or if your mom has freckles(雀斑), you might inherit that trait and wind up with a freckled face. And

13、 genes arent just in humans all animals and plants have genes, too. Genes hang out all lined up on thread-like things called chromosomes(染色体). Chromosomes come in pairs, and there are hundreds, sometimes thousands of genes in one chromosome. The chromosomes and genes are made of DNA, which is short

14、for deoxyribo nucleic acid. Chromosomes are found inside cells, the very small units that make up all living things. A cell is so tiny that you can only see it through the lens of a strong microscope, and there are billions of cells in your body. Most cells have one nucleus. The nucleus, which is sort of egg-shaped, is like the brain of the cell. It tells every part of the cell what to do. How does the nucleus know so much? It contains our chromosomes and genes. Tiny as it is, the nucleus has more information in