Unit1 Doctors’ Life Quiz for Unit 1-reading
1、 Q1. Doctors used to believe small but constant doses of radiation _____.
答案: put younger people at greater risks
2、 Q2. In the second paragraph, "primed cells" refer to those that _____.
答案: are easily affected by a small amount of radiation
3、 Q3. In accordance with his finding, Brenner____.
答案: warns that CT scans should be used with caution
4、 Q4