单项选择题

What was the cause of the patient's disease

A．Headache.
B．Stomach trouble.
C．Disturbance of conscience.
D．Some unknown physical weakness

<上一题目录下一题>

热门试题

问答题

S2. Now largely through problems caused by modern life, their existence is threatened by the slow, steady spread of the earth’s deserts.

填空题

将primary改为primarily。