单项选择题

A. Physics.
B. Mathematics.
C. Environmental science.
D. Life science.
<上一题 目录 下一题>
热门 试题

填空题
A person may need inoculation before entering certain countries.
单项选择题
The word nightmare (Line 6, Para. 3) in this passage is nearest in meaning to ______.
A. unhappiness
B. sleeplessness
C. a very bad dream
D. a hazard to your health
相关试题