2021届高考英语大一轮复习 Unit 21 Human Biology课时作业21a 北师大版选修7.doc

1、课时作业21Human Biology.课标单词写作词汇明其义1unite vt.联合；团结；统一2seek vt.寻找3cater vi.满足；迎合4scan n扫描5postpone vt.推迟，延期6abuse vt.滥用7pause n停顿；暂停8foresee vt.预见9thorough adj.彻底的；细致的10rob vt.使丧失；抢劫11decline vi.下降12submit vt.提交13vote vi.表决14circumstance n情形；情况15prohibit vt.禁止16faith n信心阅读词汇悉其用1contradict vt. 与(其他事物)相矛盾2

2、circulate vi. 循环3routine n. 常规；惯例4temporary adj. 临时的；短暂的5fundamental adj. 根本的；基础的6interval n. 间隔；间歇7underline vt. 表明重要性；强调8deadline n. 截止日期，最后日期9compulsory adj. 强制性的，义务的10digest vt. 消化11swap vi. 交换拓展词汇通其变1adaptation n变化；变种；适应；改编，改编本adapt vi.适应 vt.使适应；改编2doubtful adj.怀疑的，不肯定的doubt v. & n. 怀疑3annual a

3、dj.每年的，年度的annually adv.每年地，年度地4oppose vt.反对opposition n反方；对立面opposite adj.相反的；对面的opposed adj.反对的5treat vt.款待；对待；治疗 n请客；款待treatment n对待；治疗6tolerate vt.容忍tolerance n容忍；忍耐力7minimum n最低；最小minimize vt.使最小化maximum n最大值；最大maximize vt.使最大化8equip vt.使有准备equipment n设备9fortune n大笔钱财；巨款；运气；命运fortunate adj.幸运的fo

4、rtunately adv.幸运地unfortunate adj.不幸的unfortunately adv.不幸地10concern n担心；担忧concerned adj.担心的；担忧的语境活用(用所给单词的适当形式填空)1She was very fortunate to come into a large fortune, but unfortunately she was confirmed to suffer from a deadly disease.(fortune)2The manager thinks she is faithful to him and always hel

5、ps him faithfully.(faith)3The number of people who run the red light has been on the decline since the new traffic regulations (regulate) came into effect.4Owing to the bad weather, we decided to postpone leaving (leave)5As we all know, an annual meeting is held annually. (annual)6Several robbers ro

6、bbed the bank of an enormous sum of money, making the largest robbery of this city in the last decade. But they were soon caught by the police.(rob)7This is a modern, bright and well equipped hospital, and its equipment is of the first level.(equip)8Tomorrow is the last date for submission (submit)

7、of entries for the competition.9Hard work keeps away poverty. Toleration (tolerate) keeps away violence.10We prohibit (prohibition) air guns and the weapons that might wound someone.课标短语短语速记1in_vain 徒然，白费力气2at_random 随便地；随意地3at_all_costs 不管多大代价4straight_away 立刻；马上5wipe_out 彻底毁灭6stop_sth._in_its_trac

8、ks 终止；消灭7at_any_rate 无论如何；至少8swap_with 与交换9due_to 因为；由于10come_across 偶然遇见；发现11.beyond ones natural limits 超出某人的正常限度12clear up 清理；放晴；澄清13rob sb. of sth.抢劫某人某物14vote for 投票赞成15under no circumstances 决不；无论如何都不16put off 推迟17get down to 开始认真做18bring up 养育；抚养；呕吐19get through 通过(考试等)；完成20miss out 遗漏；遗忘；错过机

9、会21focus on 聚集；集中；对准语境活用(选用上面的短语填空)1The market researchers interviewed people at_random in the street.2Ive made up my mind to attain my purpose at_all_costs.3Ill just read through the form again to make sure I havent missed anything out.4The noise made it hard for me to focus_on work.5Its not a easy

10、 task for you to bring_up a small child on your own.6Had the boy worked harder, he would have got_through the exams.7Its time I got/should_get_down_to thinking about that essay.8Last week, I was robbed_of my wallet in front of a hotel on my way home.9I tried to make his peace with her, but in_vain.1

11、0It is raining now, but I think it will clear_up soon.重点句型教材还原1Many contemporary amateur athletes would have broken world records if_they_had_taken_part_in the first Olympic Games.许多当代的业余运动员如果参加了首届奥运会，他们会打破很多项世界纪录的。2It is compulsory for winners to be tested but other participants are only tested at

12、random.获胜者要强制性地进行检查，而其他参与者只是随意地抽查。3The Olympic spiritthe spirit of competition which emphasises taking part rather than winninghas been violated by the desire to succeed at all costs.人们不惜任何代价想获胜的愿望违背了重在参与而不是获胜的奥林匹克精神。4Having killed up to 50 million people in 18 months, with a tendency to strike the

13、young and fit rather than the old, the Spanish Flu is_believed_to_have_been the most acuteepidemic in history.西班牙流感在18个月内使多达五千万人丧命，并且发病人群倾向年轻人和健康人而不是老年人。它被认为是历史上最严重的流行性传染病。5In the future，athletes who have_their_genes_changed might be able to do the 100 metres dash in just 8 seconds or the marathon i

14、n less than two hours.将来，改变基因的运动员可能在8秒内跑完100米或不到两小时就能跑完马拉松。写作运用1She would have gone to the party if_she_had_been_invited.要是当初被邀请的话，她就会去参加这次聚会了。2It_is_possible_for_him_to_pass the driving test this time.他这次或许能通过驾照考试。3As students, we should try to get good results by studying hard rather_than_cheating

15、_in_exams.作为学生，我们应当通过努力学习而非考试作弊来取得好成绩。4The book is_said_to_have_been_translated_into several foreign languages.据说这本书已被翻译成了好几种外国语言。5I usually get/have_my_clothes_washed on Sundays.我通常在星期天洗衣服。.语篇整合话题与语篇填空 Records 1.have_fallen (fall) since the first Olympic Games. 2.When we talk about breaking records

16、, we come across the issue of performanceenhancing drugs. Taking these drugs is known as “doping”. Some athletes who abuse the drugs risk 3.facing (face) serious health problems in later life. They seek 4.to_achieve (achieve) beyond their natural limits. Unfortunately, it is not easy to catch athlet

17、es using illegal drugs.It is compulsory for winners 5.to_be_tested (test) but other participants are only tested 6.at random. However, doping is not the only thing we need to worry about. Whats worse, “genetherapy” will be the next big threat. In the future, athletes who have their genes 7.changed (

18、change) might be able to do better than they should be. The Olympic spirit has been violated by the desire 8.to_succeed (succeed) at all costs. In todays world, winners are celebrated and treated as heroes. But 9.if doping and genetherapy continue to affect the outcomes of major sporting events, the word “hero” will have lost all 10.meaning (mean)话题与短文改错