单项选择题

According to the passage, sudden deaths are probably caused by ______.

A．mental stress
B．physical diseases
C．unexpected accidents
D．poisons
<上一题 目录 下一题>
热门 试题

单项选择题
The writer's attitude towards sudden deaths is ______.
A．objective
B．subjective
C．scientific
D．careful
单项选择题
The word legitimate in Paragraph 1 can best be replaced by ______.
A．lawful
B．reasonable
C．regular
D．complex
相关试题