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判断题
只有取得省级卫生行政部门颁发的《放射卫生技术服务机构资质证书》的机构方可从事放射卫生技术服务工作。
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选择题
He wanted to know ______.
A. if he speaks at the meeting
B. when the meeting would start
C. what he's going to do at the meeting
D. where would the meeting be held
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判断题
处理过剩有毒化学物质,只要对自己企业环境负责。
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