2. 职称英语
  3. It is necessary that dental Atechnicians and others Bworking with X-rays limit C

It is necessary that dental Atechnicians and others Bworking with X-rays limit C

游客2024-01-02  52
问题 It is necessary that dental Atechnicians and others Bworking with X-rays limit Ctheir exposure to Dthis highly penetrating rays.
选项 A、 
B、 
C、 
D、 
答案 D
解析 This is a singular demonstrative. The plural form is needed before highly penetrating rays. Correction: these
转载请注明原文地址:https://tihaiku.com/zcyy/3328317.html
相关试题推荐
随机试题
最新回复(0)