unit 2 cloning grammar课时作业

[跟踪训练]

Ⅰ.语境填词

1.The UN would play a major role in (monitor) a ceasefire(停火).

2.Newspapers seized on the results as proof that (globe) warming wasn't really happening.

3.Li ming (发邮件) me to say he couldn't come.

4.The (calculate) was difficult，but we finally worked it out.

5.We are particularly grateful to him for his (time) help.

Ⅱ.单项填空

6.Some students are so with the computer game that it's affecting their studies.

A.addicted B.obsessed

C.absorbed D.devoted

7.Come and see me whenever .

A.you are convenient

B.you will be convenient

C.it is convenient to you

D.it will be convenient to you

8.-My phone was and I didn't realize it until this morning.

-No wonder I couldn't get through last night.

A.out of date B.out of place

C.out of order D.out of reach

9.The country has already sent up three unmanned spacecraft，the most recent at the end of last March.

A.has been launched

B.having been launched

C.being launched

D.to be launched

10.The lovely boy likes to with his friends on the Internet.

A.see B.say C.share D.chat

Ⅰ.完形填空

We all love our parents and turn to them when we're in need，but would you like them to hear the 1 you have with your friends in the school playground or lunch queue？Social networking sites，such as micro­blog，blog and the Facebook，have actually become 2 of the