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问题 选择题

A lot of air pollution       by ordinary people, not only by big factories.               [ ]

A. is causing

B. caused

C. is caused

答案

答案：C

后人写诗“始知事太守，伯禹亦不如”，赞扬李冰的功劳胜过大禹，这是因为李冰

A．发明了望、闻、问、切“四诊法”

B．修筑了都江堰，造福于民

C．发明了铁农具和牛耕

D．进行了变法，推动了历史前进
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单项选择题

What will the man do after the conversation
[A] He will watch the football game on TV.
[B] He will surf on the Internet.
[C] He will make a phone call.
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