冲击载荷是指突然增加的载荷。()
参考答案:对
刺蒺藜与菊花具有的共同功效是()
A.疏肝解郁、平抑肝阳
B.疏肝解郁、散风止痒
C.疏散风热、化痰息风
D.疏散风热、平肝明目
E.疏散风热、清热解毒
–Did you _____ your sister when you were in Shanghai?
--No. But I _____ my uncle’s during my stay there.
A.call on, called on
B.call at, called at
C.call on, called at
D.call at, called on