题目内容

— Excuse me, where is Mr. Green's office?

— Sorry, I don't know. I ___here for only a few days.

A. work B. worked C. have worked D. will work

 

C

【解析】

试题分析:句意:打扰一下,格林先生的办公室在哪里?对不起我不知道,我来这里刚刚几天。现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作(用行为动词表示)或状态(be动词表示)常与for(+时间段),since(+时间点或过去时的句子)连用. 现在完成时中,非延续性动词不能与for和since引导的表示一段时间的状语连用,通常是用相应的延续性动词来代替,work延续性动词。故选C。

考点:考查现在完成时态的用法

 

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“I sometimes get up at three or four in the morning to surf the Internet.

“I check my e-mail almost forty times a day.”

“I seldom spend less than three hours each time on the net.”

“spend more time in chat rooms than with my 'real-life’ friends.”

Do you know any people like these? They are part of a new addiction(瘾) called Internet addiction.According to experts,Internet addicts(迷)spend at least thirty to forty hours online every week.They lose control of the time they spend on the Internet.

For example,one college student was missing for several days.His friends were worried and 1ooked for him everywhere but couldn’t find him.They called the police.The police found the student in the computer lab: he was surfing the Internet — for seven days straight.

A study shows that about six to ten percent of Internet users become addicted.The teenager spend more time on the Internet than with friends and family. That’s why some experts worry most about young people.

Is “surfing the Internet” a hobby or all addiction for you? You may have a problem if you have one of the following symptoms(症状):

You go out with your friends less and less.

You can’t wait to get online again.

You’ve decided to spend a short time online,but then you spend several hours.

You do not go to important family events or you do not do school projects because you like to spend hours on the Internet.

What is the solution? Some experts suggest that people set strict limits on their time for Internet use. You have to learn to control it,or the Internet would control you.

1.How many hours does an Internet addict spend online every week according to experts?

______________________________________________________________________________

2.Where was the missing college student found?

______________________________________________________________________________

3.Why do some experts worry most about young people?

______________________________________________________________________________

4.What is one symptom of Internet addiction?

______________________________________________________________________________

5.How can Internet addicts solve their problem?

_________________________________________________________________________________

 

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