问题
单项选择题
CT检查的防护措施中正确的是（）
A.尽可能避免一些不必要的CT检查
B.减少不必要的重复扫描
C.扫描时尽可能让陪伴人员离开
D.对被检查的病人做好扫描区以外部位的遮盖防护
E.以上都是
答案
参考答案：E
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CT检查的防护措施中正确的是（）
A.尽可能避免一些不必要的CT检查
B.减少不必要的重复扫描
C.扫描时尽可能让陪伴人员离开
D.对被检查的病人做好扫描区以外部位的遮盖防护
E.以上都是
参考答案：E
| 从方框中选择合适的短语，并用其适当的形式填空。 | |
1. Teachers _____ the grades of the students in the final exam. 2. The first thing you must do is _____ when you meetsome difficulties. 3. _____ in the comer of the room, or you'll be pun-ished. 4. The 60-year-old hunter came and _____ the tiger's _____. 5. _____ lie road, they found the post office. 6. Would you please say more about the actress who _____ Juliet? |