It was not until midnight _________ his father came back.
A.when
B.while
C.that
D.as
答案:C
多台起重机吊装设备时可采用()。
A.旋转法和滑行法
B.旋转法和吊推法
C.滑行法和递送法
D.旋转法和递送法
涩味药多用于治疗( )
A.虚汗、遗精滑精B.胸胁苦满C.水肿、小便不利D.恶心呕吐E.胃热消渴