2. 外语
  3. A. 10 percent to 25 percent for the proportion of workers who use drugs occasionally on the job B. determine exactly when simple

A. 10 percent to 25 percent for the proportion of workers who use drugs occasionally on the job B. determine exactly when simple

admin2011-01-05  51
问题 A. 10 percent to 25 percent for the proportion of workers who use drugs occasionally on the job
B. determine exactly when simple drug use becomes abuse
C. the 1920s until the 1960s
D. the 1960s until the 1970s
E. signals passing through the nervous system
It is not always easy to ______.
选项
答案B
解析 依据是第三段第一句“It is not always easy to determine exactly when simple drug use becomes abuse”。
转载请注明原文地址:https://www.kaotiyun.com/show/Oemd777K
本试题收录于： 职称英语卫生类A级题库职称英语分类
0

职称英语卫生类A级

职称英语

相关试题推荐
随机试题
最新回复(0)