选修8 Unit 2 课下作业（一~三）
课下作业（一） 新学期新希望寄语考点过关针对练
Ⅰ.单词拼写
1．With medical breakthrough个人照片 (突破), people are living a healthier and longer life.
2．As is well known to all, there are altogether (总共) ven continents in the world.
3．Our school is a nonsmoking school.So smoking is forbidden (禁止) here.
4．Economists are working on the assumption (假设) of an interest rate cut.
5．I think our offer is reasonable (合情理的) and realistic and you shouldn't turn it down.
6．This question is quite straightforward (直接的), while that one is much more complicated.
7．But just as a coin has two sides, Internet has its own drawbacks (缺点) which should not be neglected.
8．She is overweight, but she can't resist (抵制；抵抗) eating more delicious food.
9．网真They may know the rules correctly, but they are unable (不能的) to u them to work out practical problems.
10．Babies can n whether an adult is happy or not merely (仅仅) on the basis of clues such as the rate, volume, and melody of adult speech.
Ⅱ.语境语法填空
1．Robert, ❶differing (differ) from most of the elderly, doesn't enjoy his old age in peace after retiring ❷from work. Instead, he felt his health was ❸in good condition and now he ❹is_undertaking (undertake) the duty of helping maintain the order of his community. Accidents ud to occur here frequently, which made people feel cast ❺down. Several kids ❻were_struck (strike) by private cars and this situation ❼bothered (bother) most of the residents. Robert couldn't resist ❽joining (join) in his community volunteer rvice. They took steps ❾to_forbid (forbid) drunken drivers from driving in and out. Their efforts finally paid❿off.Since then, no accident has ever happened again， owing (owe) to efforts of volunteers like Robert and he has_obtained (obtain) the respect of all community residents.
2．It's common that people hold ❶different (differ) views on the same issue. To get the work done, it is important to rai ❷objections (object) frankly rather than t aside the differences. Nothing could be better than putting forward a more ❸reasonable (reason) solution.
Ⅲ.语境改错
文中共有10处错误，每句中最多有两处，请找出并改正。
People differs greatly in cloning technique.Some people are in the favour of its development, for they believe it will bound to benefit us.One advantage of cloning is what people who suffer from a certain rare dia can be cured in the future.Others feel casting down.They think it is not moral reasonable and should be forbade.As far as I'm concerned, cloning is a new breakthroughs and it will pay for.But we must promi to u them properly.
答案：第一句：differs→differ
第二句：去掉the; bound前加be
第三句：what→that
第四句：casting→cast
第五句：moral→morally; forbade→forbidden
第六句：breakthroughs→breakthrough; for→off
第七句：them→it
Ⅳ.根据提示补全句子
1．他们反对坐公共汽车去那儿，因为它会花费很长时间。(object)
跺椒鱼头They objected_to_going_there_by_bus becau it would take a long time.
2．最让他沮丧的是没人费心告诉他更改了的时间表。(bother)
What upt him most was that nobody had_bothered_to_tell_him about the changed timetable.
3．我突然想起家中没有人。(strike)
It_struck_me_that there was no one at home.
4．当她最终获得奥运金牌的时候，那位运动员多年的艰苦训练得到了回报。(pay off)
The_athlete's_years_of_hard_training_paid_off when she finally won the Olympic gold medal.
5．抄袭他人的作业的一个缺点就是你不能掌握你所学到的东西。(that引导的表语从句)
A disadvantage of copying others' homework is that_you称心如意的拼音_can_not_master_what you_have_learned.
课下作业（二） 话题阅读培优练
Ⅰ.根据提示填空
Be Careful about Cloning
w开头的英文After a ries of initial experiments and corrections, the scientist's hard work ❶paid_off (得到好结果) when the twin clone turkeys were hatched with normal feather and claws.This breakthrough possibly enabled people to bring their adored pets back to life.However, it bothered him from time to time that their health was in
poor condition becau they were unable ❷to_resist (resist) illness.This drawback cast him down.❸宽容歌词Merely (mere) 2 weeks later, the clones and their carrier died, which struck frustration into his heart.He retired before he attained his ambition and became a member of an opera chorus to relieve his depression.
Shortly afterwards, the media published a conrvative ❹argument (argue) objecting to cloning owing to moral problems, and suggested the constitution include compulsory regulations to forbid ❺obtaining (obtain) commercial profits from cloning.
When interviewed, the scientist stared at the decorations on the ceiling, thinking for a while, and then said, “I'm not in favour of any arbitrary ❻寂静山村assumption (assume), but undertaking cloning does differ from the straightforward procedure of making loafs out of flour.Until we accumulate enough exact knowledge, any practice is in vain and is bound ❼to_fail (fail)．Altogether, being more careful is ❽reasonable (reason) or we may walk into a side road.”
Ⅱ.片段选词填空
cloning， unique， become a reality， be proud of， cloned mother， communicate with， as far as I'm concerned， be beneficial to， bring about， respect life
