患者张某,心悸怔忡,健忘失眠,食少体倦,面色萎黄,舌质淡,苔薄白,脉细缓。治宜选用()
A.天王补心丹
B.酸枣仁汤
C.归脾汤
D.甘麦大枣汤
E.六味地黄丸
参考答案:C
How long do you think the computer company brings out a new product?
A.it will be before
B.will it be until
C.will it be when
D.it will be that
钻床运转满()应进行一次一级保养。
A.500h
B.1000h
C.2000h