单选题：On the safety issue of mobile phones，the manufacturing compa

题目分类：卫生类
题目类型：单选题
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题目内容：

On the safety issue of mobile phones，the manufacturing companies A．deny the existence of mobile phone radiatio
B．develop new technology to reduce mobile phone radiatio
C．try to prove that mobile phones are not harmful to healt
D．hold that the amount of radiation is too small to worry abou

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Transport has made it possible for people to eat whatever fo

Transport has made it possible for people to eat whatever food they want________

分类：卫生类题型：单选题

请在（49）处填入最佳答案

请在（49）处填入最佳答案

分类：卫生类题型：单选题

请在第（62）处填上最佳答案。

请在第（62）处填上最佳答案。A．how B．which C．that D．whether

分类：卫生类题型：单选题

Gestures and facial expressions may assist a child in master

Gestures and facial expressions may assist a child in mastering his native langu

分类：卫生类题型：单选题

China does a lot of trade with many countries．

China does a lot of trade with many countries．A．a great deal of B．a great many o

分类：卫生类题型：单选题