题目内容

We can increase our sense of happiness by taking a positive attitude to life.通过采取积极的生活态度，我们可以提高幸福感。

A. 对
B. 错

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Online chatting is fun and a great way to kill time.网络聊天很有意思，也是消磨时间的一个很好的方式。

A. 对
B. 错

Alotofsmallproblemscanbesolvedby____________yourcomputer.

A. restart
B. aborb
C. restarting
D. absorbing

Thereis____________ everywhereontheground,andthewholeplacesmellsterrible.

A. trash
B. greenhouse gas
C. resource
D. electricity

Plants____________ carbondioxidefromtheair.

A. reduce
B. trap
C. absorb
D. restart