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1. Jeans designed for workers in the 1850 s are now popular with all people.(改为同义句)

Jeans             for workers in the 1850s are now popular with all people.

1. that/which were designed

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Can you imagine a world without the Internet? It's surprising to think about it.

Now,China has more than 162 million Internet users,according to the China Internet Network Information Center. This is the second highest number of users in the world after theUnited  States. Today, 66% of Chinese "netizens"(网民)are teenagers. "They spend about thirteen hours every week online,said Qian Hulin, an Internet expert(专家).Doctor Song in Beijing Xuanwu Hospital said about 14% of Chinese netizens who were teens(十几岁) often spent over ten hours playing online games in a week.

The main reasons why teenagers surf the Internet are to search for information, to communicate with others and to have fun. On the Internet, teenagers can find out almost anything. And surfing the Internet can help students with their homework and widen their knowledge.

Li Dong,a teacher at No. 41 Middle School in Shijiazhuang, would like her students to use the Internet. "When we talk in class, students who surf the Internet usually know more background information than the others”, she said.

Besides,people can use the Internet to write letters or stories and send e-mails. Many teens keep in touch with their friends online. It is cheaper than phoning somebody far away and also much quicker.

阅读短文,选择最佳选项。

(   ) 1.______ has the most Internet users in the world according to the article.

A.China        B. Canada

C. America    D.Russia

(   ) 2. There are about      teenager netizens inChina.

A.  23 million

B.   107 million

C.   130 million

D.  162 million

(   ) 3. Doctor Song said some teenagers       for more than ten hours in a week.

A.  played online games

B.   searched for information

C.   chatted online

D.  watched videos online

(   ) 4. Li Dong at No. 41 Middle School thinks surfing the Internet can help students

A.  do their homework more quickly

B.   know more background information for class

C.   get on better with others

D.  do better in writing

(   ) 5. Which way is both cheap and quick to learn about friends far away?

A.  Giving them a call.

B.   Going to see them.

C.   Sending them a letter by post.

D.  Writing an e-mail to them.

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