下列不属于中效利尿药的是A．氢氯噻嗪B．氢氟噻嗪C．氯噻酮D．氨苯蝶啶E．环戊噻嗪

-- Could you do me a favor to carry the luggage?

-- _______________.

A．Yes, I could

B．It’s my pleasure

C．With pleasure

D．Great

周作人对现代文学最可贵的贡献在于他对（）的倡导与创作。

This book is _____ as that one.    [ ]

A. same      

B. different        

C. the same    

D. difference

准实验

床上擦浴时，擦洗面部的顺序是什么