题目内容

----Look at the boy running on the playground. Is it David?

---- It ______ be him. I saw him go to the teachers’ office just now.

A. mustn’t B. can’tC. may not D. needn’t

 

B

【解析】

试题分析:句意:——看正在操场上跑的那个男孩,是大卫吗?——不可能是他。我刚才看见他去老师办公室了。根据句意我刚才看见他去老师办公室了,可知不可能是大卫,故选B。

考点:考查情态动词的用法。

 

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Nowadays, Internet becomes much easier for people to use. More and more people like to on the Internet. How can you protect yourself from different types of Internet tricks? Following ideas can make your online shopping .

Never click on an unsolicited (主动提供的) email. If you are in the things, some well-known companies sell the same things. Don’t on any website address in the email itself.

Don’t any email that asks you for personal financial (财务的) information. Most of the legitimate (合法的) companies will not ask for your information through emails. And don’t believe what the email says . Sometimes some emails will ask you to make a telephone call to get more information about the thing you want. When you meet this, don’t forget the phone number on your phonebook to make sure it is the number of a legitimate company before you make the call.

When you are information on the Internet, make sure that there is a key symbol the bottom of your browser (浏览器) and the “https://” is in the website address. These mean that the website is safe.

Don’t send your money to an unknown website before you the things they send to you and make sure they work well.

Shopping on the Internet is easy and fun. It is also safe if you are careful enough.

1.A. readB. writeC. travelD. shop

2.A. easierB. quickerC. saferD. more convenient

3.A. surprisedB. crazyC. interestedD. worried

4.A. clickB. touchC. closeD. open

5.A. receiveB. answerC. writeD. refuse

6.A. quicklyB. easilyC. happilyD. slowly

7.A. checkingB. correctingC. to checkD. to correct

8.A. findingB. looking upC. readingD. searching for

9.A. onB. atC. inD. for

10.A. receiveB. acceptC. takeD. bring

 

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