蓄电池点火系统有蓄电池、点火线圈、分电器和()等部件。
A、花火赛
B、冷却器
C、滤清器
D、散热器
参考答案:A
诊断小儿疾病时四诊中最重视的是()
A.按诊
B.脉诊
C.问诊
D.闻诊
E.望诊
The old woman has two sons, one ______ is a teacher. [ ]
A. of who
B. of whom
C. of which
D. of them