白芍的适应症是
A.久咳气喘B.心悸失眠C.腰膝酸软D.遗精早泄E.崩漏不止
参考答案:E
John thought he was ____ when the manager asked him for the advice on the new product. [ ]
A. something
B. anything
C. somebody
D. anybody
塌落度试验时,从开始装桶到提起塌落筒的时间不应超过()
A、2.5分钟
B、3分钟
C、4分钟
D、5分钟