2021届高考英语大一轮复习Unit20NewFrontiers课时作业20a北师大版选修7 练习

写作词汇—————其义

1．starvation n．饥饿

2．handy adj.方便使用的

3．shortly adv.不久；很快

4．download vt.下载

5．update vt.更新

6．latter n．后者

7．conflict n．争执；冲突

8．equality n．平等

9．assess vt.评估；评价

10．dawn n．开端；拂晓

11．creator n．创造者

12．invest vt.投资

13．colleague n．同事，同僚

14．rescue vt.拯救，救援

15．dilemma n．困境，进退两难的窘境

16．procedure n．步骤；程序

17．donate vt.捐赠；赠送

18．meanwhile adv.同时

19．split vi.分开，分离

20．outcome n．后果，结果

21．cure vt.治愈

22．exploration n．探测；探险

23．ancestor n．祖先；祖宗

24．fade vi.逐渐变弱

25．phenomenon n．现象

26．permit vt.允许，许可

阅读词汇—————悉其用

1．outspoken adj. 直言的，坦率的

2．telescope n. 望远镜

3．galaxy n. 星系

4．mould n. 霉，霉菌

5．wrestle vi. 努力解决；摔跤；搏斗

6．circuit n. 电路

7．microwave n. 微波炉

8．jet n. 喷气式

9．primitive adj. 原始的

10．orbit n. 轨道

11．permanent adj. 长久的，永久的

12．headline n. 大标题

13．sneeze vi. 打喷嚏

14．sniff v. 嗅；闻

15．porridge n. 麦片粥

16．ripen vi. (使)成熟

17．socket  n. 插座

18．poisonous adj. 有毒的

19．settler n. 移民；殖民者

20．declare vt. 宣告；宣布

21．souvenir n. 纪念品

22．crew n. 全体机组人员

23．journal n. 杂志

24．click vi. 点击

25．discrimination n. 歧视；识别力

拓展词汇———————通其变

1．origin n．起源；起因；由来；出身→original adj.起初的；最早的→originally adv.起初，原来；独创地

2．technology n．技术→technological adj.技术的，工艺的→technical adj.技术上的

3．starve v．饥饿→starvation n．饥饿

4．electricity n．电→electronic adj.电子的

5．programme n．程序，节目→programmer n．电脑程序编制员→programmatic adj.计划性的

6．assist vt.帮助，协助→assistant n．助手，助理

7．operate v．操作；手术→operator n．操作员，经营者，行家→operation n．手术；操作→operational adj.工作着的，即可使用的

8．instruct vt.教；命令；教导→instructor n．教师，指导员，讲师→instructive adj.有教育意义的，教育性的→instruction n．指示；教育；用法说明

9．donate vt.捐赠；赠送→donation n．捐赠；赠送→donor n．捐赠者

语境活用———————(用所给单词的适当形式填空)

1．I was asked to give a short presentation (present) on the aims of the plan.

2．There is no effective (effect) cure for colds except rest.

3．Bill Gates has donated a large sum of money to society. And he is highly respected for his donation. (donate)

4．Many scientists are making great efforts to explore the Moon and other planets. Their exploration may change our future.(explore)

5．She declared that she would rather change her mind and many citizens were strongly against her declaration. (declare)

6．All men are born equal,_so everyone hopes to be treated equally because equality is the basic demand.(equal)

7．You are not permitted to leave here without his permission.(permit)

8．I have a teaching assistant who is a new graduate. He always assists me to adjust hearing equipment. He also comes to my assistance when I have trouble with my computer.(assist)

9．We are trying to assess how well the system works and the assessment will be subscribed to the committee.(assess)

10．With the development of technology,_this kind of technique is quite popular, for there are many technical training centers of this kind.(technology)

短语速记

1．in_advance 提前，预先

2．take_over 接收；接管

3．give_away 泄露(秘密)；赠送

4．be_dedicated_to 致力于；献身于

5．in_addition 另外

6．due_to 由于；因为

7．in_conclusion 总之

8.make up for 弥补

9．carry out 开展；执行

10．drop off 下降；入睡

11．not to mention 更不用说

12．figure out 想出；理解；计算出

13．get across 使理解；把……讲清楚

14．rather than 而不是

语境活用————————(选用上面的短语填空)

1．It wasn't hard to  figure_out how he got his nickname.

2．The manager is looking into who it was that gave_away the secret.

3．Ten years later, he took_over the large company from his father.

4．It is hard to carry_out this plan in that poor area at present.

5．I should warn you in_advance that I'm not a very good dancer.

6．He was convinced that it was necessary to get_across to them.

7．I dropped_off and missed the end of the film.

8．Can you give me some advice on how to make_up_for the time I have lost?

9．China will continue to be_dedicated_to international cooperation in this area.

10．Most of them turned up on time; only Tom arrived late due_to the storm.

教材还原

1．By_the_year_2015,_the clothing industry will_have_produced new types of material that will remain stainless no matter what you spill on them.

到2015年，服装业将生产出各种新型布料，无论你将什么东西洒在上面都不会留下污迹。

2．In the summer of 1905, this outspoken young man was_rocking his one­year­old baby  when he was suddenly inspired.

1905年夏天，这位率直的年轻人正摇晃他一岁的婴儿，这时他突然有了灵感。

3．I think there will be an invention that will help prevent drivers from getting_stuck in traffic jams.

我想将会有一项发明帮助司机避免交通阻塞。

4．There's_no_doubt_about it.

对此应该深信不疑。

5．I was so angry that I walked out, leaving him sitting there

shocked_and_white­faced.

我非常生气，走了出去，留下他坐在那儿，脸色发白，一脸的震惊。

写作运用

1．By the end of this term, we will_have_finished learning all our lessons.

到这个学期期末，我们将学完我们所有的课程。

2．I was_taking_a_bath_when he rang.

我正在洗澡，这时他打电话过来了。

3．Be careful when you cross the busy street. If not, you may get_run_over by a car.

当你穿过繁忙的街道时要当心，否则就可能被车撞倒。

4．There_is_no_doubt_that Li Zongwei is an excellent player.

毫无疑问，李宗伟是一名优秀的运动员。

5．He lay in bed, wide_awake.

他躺在床上，醒着。

话题与语篇填空

Hundreds of futurologists will gather at Newcastle University to hold a seminar about the future. Many people will attend 1.the seminar with dreams of starting new enterprises 2.based (base) on the predictions they will hear. I clicked into the websites of a few futurologists and got several predictions. 3.Shortly (short), computers will become 4.handier (handy). Then all of us can use our voices to control computers such as 5.downloading (download) files or updating computers just by saying a few words. By 2015, garments will have been made 6.of new materials that will remain 7.stainless (stain) whatever you spill on them, and they will never get old and 8.worn (wear). By 2025，there will have been no starvation, no people who have to live on welfare, no discrimination, no conflict and people will live in peace and 9.equality (equal). By 2030, tiny, insect­like robots may be sent around the cells of our bodies to assess our health, assuring us of living for at least 150 years. By 2050, we will be linking our brains to the much smarter computers and a huge database, 10.and a new type of electronic human might have developed!

话题与短文改错

In just 100 years, the world changed .  discoveries were made in many ways. Although it is impossible to choose the most important discovery,  it is possible to single out  few pioneers of the 20th century.“E＝mc2”was born when Albert Einstein  suddenly inspired. Edwin Hubble, an astronomer, discovered small  of mist  were in fact galaxies. Alexander Fleming discovered  natural form of penicillin—a blue mould. The world's first computer  produced by Eckert, an engineer and Mauchly, a physicist.  these breakthroughs, the world would have been a completely different place.