A ?be costly
? ?B ?be harmful
? ?C ?save a life
? ?D ?still open to debate
? ?E ?reduce the risk of radiation triggering a cancer
? ?F ?reduced to the minimum

Radiation exposure should he ______.

题库:综合类 类型:填空题 时间:2017-07-03 03:11:43 免费下载:《填空集》Word试卷

A ?be costly
? ?B ?be harmful
? ?C ?save a life
? ?D ?still open to debate
? ?E ?reduce the risk of radiation triggering a cancer
? ?F ?reduced to the minimum

Radiation exposure should he ______.

本题关键词:BE值,乙肝健片(A、B),僵a,ECF-A,EP21-A,EP6-A,EP18-A,EP7-A,Lp(a),Lp（a）;