His father makes a living driving a taxi. [ ]
A. by
B. with
C. for
D. through
答案:A
氯普噻吨主要用于()
A.躁狂症
B.抑郁症
C.精神分裂症
D.晕动病
E.安定麻醉术
三层结构聚乙烯防腐层包覆后应水冷至()。
A.60℃
B.常温
C.100℃
D.220℃