患者，女，30岁。发低热2个月，作多项检查未见异常，每日午后发热，身体困倦，四肢乏力，劳累后发热更甚，舌质淡，脉虚细无力。用药宜首选

A．清热泻火药

B．滋补肾阴药

C．清虚热药

D．清热凉血药

E．补气药

Generally, when lifting an inflatable life raft back aboard ship you would use the（）.

A.towing bridle

B.main weather cover

C.external lifelines

D.righting strap