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  24
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
Drugs that speed up ______.
选项
答案E
解析 依据是第二段第二句话“Drugs that speed up signals passing through the nervous system, which is made up of the brain and spinal cord, and produce alertness and arousal and, in higher doses, excitability，and inhibit fatigue and sleep, are called stimulants”。
转载请注明原文地址:https://kaotiyun.com/show/7emd777K
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)