单项选择题：1985年城镇人口与乡村人口的比例约为（）。 A．1：4 B．1：3 C．3：1 D

题型：单项选择题

阅读理解。

You often hear 3G these days, but do you know the meaning of it? Let me tell you. 3G means the third generation

(第三代) of mobile phones. In 1995, the first generation mobile phones came to our life. We can only use them to

make a call. In 1996, people began to use the second generation mobile phones. Besides(除了) making a call, we can

also send short messages and receive e-mails. Some people also used them to watch news or download music, but it

was slow. What can you do with a 3G mobile phone? It has many functions(功能). First, it's a video phone. When

you call your friend, you can not only hear him,but also see him. Second, you can watch TV and quickly surf on the

Internet. Third, mobile wallet function(手机钱包功能). If you don't have money, you can pay with a mobile phone.

And there are also more functions which make our life convenient(方便). Now, do you want to have a 3G mobile

phone?

1. We can only make a call with a __________.

A. 1Gmobile phone

B. 2Gmobile phone

C. 3G mobile phone

D. all of the above

2. The first generation mobile phones came to our life in __________.

A. 1995

B. 1996

C. 1997

D. 1998

3. The meaning of "download" is __________.

A. 上传

B.下载

C.试听

D.录制

4. We can use a 3G mobile phone to __________.

A. watch TV

B. make a video call

C. chat on QQ

D. all of the above

5. Which one is wrong?

A. 3G means the third generation of computers.

B. We can send short messages with a 2G mobile phone.

C. 3G mobile phones have many functions.

D. We can watch TV with a 3G mobile phone.

查看答案

1985年城镇人口与乡村人口的比例约为（）。 A．1：4 B．1：3 C．3：1 D