—Chinese people are worried about the food they eat these days.—Yes, the food sa

题干

—Chinese people are worried about the food they eat these days.
—Yes, the food safety is a serious in our country. We should try to solve it.

A．subject

B．program

C．problem

D．opinion

上一题下一题 0.94难度单选题更新时间:2013-06-13 05:18:23

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