既能治疗痰热壅滞，咳嗽喘促，又能治疗水肿的药物是（）。 A.百部 B.桃仁 C.葶苈

下列哪种辅酶或辅基是维生素B的组成成分()

A．NAD

B．FAD

C．TPP

D．CoA

E．NADP

_______ your letter, I am pleased to tell you that you are to receive the answer by the end of this week.

A．Concerned about

B．Concerning

C．Concerning with

D．Concerned

Zhang Guorong’s singing career _________ about over 20 years. It was his ________

appearance at singing in public.

A．last ;last

B．lasted for; last

C．lasted; lasted

D．lasted for; lasted

在发电车整修标准中，要求电力连接线座插孔相间、线间绝缘电阻不小于（）。

A.0.2MΩ

B.2MΩ

C.5MΩ

D.10MΩ

19世纪末，梁启超撰写的宣传变法维新主张的著作是（ ）

A．《新学伪经考》

B．《人类公理》

C． 《仁学》

D．《变法通义》