八年级下册下英语一课一练423冀教版UnitLesson

Unit 4　The Internet Connects Us

Lesson 23　The Internet — Good or Bad?

Ⅰ．根据句意及首字母提示补全单词

1．Jina is 1．89 metres tall． Her height is an a________ for playing basketball．

2．I don't like c________． I like paper money．

3．The policeman caught the tall man because he s________ an iPad from the supermarket．

4．Don't play with fire． It may c________ a fire．

5．This is a s________ problem． We can work it out easily．

Ⅱ．用所给单词或短语的适当形式填空

proper, attack, in seconds, far away, aside from

6．This guidebook can teach the teenagers how to use the Internet ____________ and carefully．

7．____________ cars, the factory makes bicycles．

8．Now it is possible to send words and pictures around the world ____________．

9．Never tell the strangers your personal information, or they will ____________ your computer and the web．

10．If Sue works ____________， she will miss her family．

Ⅲ．单项选择

(　　)11．Drinking alcohol(酒) can be ________ your brains． So you aren't supposed to drink it if you are younger than 18．

A．good at        B．good with        C．harmful to         D．thirsty for

(　　)12．—If there are ________ people driving, there will be ________ air pollution．

—Yes, and the air will be fresher．

A．less; less      B．less; fewer       C．fewer; fewer       D．fewer; less

(　　)13．—I don't think teachers should give too much homework to ________ the free time of students．

—Exactly!

A．give up        B．take up         C．look up        D．put up

(　　)14．—There are a lot of ________ of bike riding．

—I agree． It's good for the environment and it saves money．

A．instructions          B．instruments

C．advantages         D．products

Ⅳ．根据汉语意思完成句子，每空一词

15．我的爷爷想要理发。

My grandfather wants to ________ his hair ________．

16．这个小女孩在六岁的时候就会弹吉他了。

The little girl ________ ________ ________ play the guitar at the age of six．

17．我的表姐经常通过电子邮件和她的朋友们保持联系。

My cousin often ________ ________ ________ ________ her friends by e­mail．

18．因特网使得彼此在很短的时间内发送信息成为可能。

The Internet makes ________ possible ________ ________ information to each other in seconds．

19．花费太多时间上网对我们的健康有害。

________ too much time online ________ bad for our health．

Ⅴ．补全对话(方框中有两项多余)

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