6．Profits of all companies are being a________ by the economic crisis.
7．Since you know smoking does great h________ to your health, why not give it up?
【推荐】2020年北师大版高中英语必修二（全册）配套练习汇总
Unit 4课下能力提升(一)
Ⅰ.单词拼写
1．When an animal is under ________ (攻击), it chooses to run away or fight back.
2．My wallet has ________ (消失) from the table.
5．It was never clear ________ the man hadn't reported the accident sooner.
6．—I'll give Bob a ring.
—You should. You haven't been in touch ________ him for ages.
3．At dawn the army ________ (attack) the town and finally captured it.
4．She could have been ________ focus of everyone's attention, but to her disappointment,all people in the picture were out ________ focus.
8．By keeping a diary, you can improve your writing skills more r________．
9．Our washing machine broke down yesterday and f________ the kitchen.
10．The plane c________ into the mountain, but luckily the pilot survived.
4．________，many people are optimistic about the future of 5.________ Internet.Already, users can buy books, find out about holiday offers and so on.Angela Rossetto believes that, in the future, we will get 6.________(entertain) from the Net and that television will probably 7.________(appear). The mail service may also vanish (消失) with the increasing use of e?mail.
Ⅲ.完成句子
1. Look at the dark clouds in the sky. It looks ______________________________________ (好像要下ห้องสมุดไป่ตู้)．
2．______________________ (真遗憾) you couldn't come to my birthday party.
3．______________________ (很显然) she will marry him.
Ⅳ.课文缩写语法填空
In the last thirty years, the Internet has grown 1.________，and this growth is clearly going to continue.
3．It is ________ (明显的) that she is very clever.
4．I feel bad that I didn't ________ (提供) any food to them.
5．The ________ (破坏) of the natural living places makes wild animals less and less.
Some experts are pessimistic 2.________ the future.One worry is crime in cyberspace.In the future, terrorists may“attack”the world's computers, cause chaos, make planes 3.________ trains crash.
Some experts see our future in virtual 8.________ (real)—the use of computers with sounds and pictures 9.________ make you feel as if you are in 10.________ real situation.
Ⅱ.单句语法填空
1．Everybody in the village likes Jack because he is good at telling and making ________ jokes.
2．Organizations of all kinds now recognize the Internet as effective means for ________ (globe) communication.
7．He wishes to become a football star and hopes it will come ________ some day.
8．The audience complained that too much advertising ________ (affect) the quality of the programs.