主风证、痛证的脉象是（） A.结脉 B.紧脉 C.代脉 D.弦脉 E.涩脉

— Can you tell me ______?

— Just try to use it, I think.

A．how can I learn English well

B．how I can learn English well

C．how could I learn English well

D．how I could learn English well

属于我国生产的第二类精神药品品种的是（）

A.γ-羟丁酸

B.咖啡因

C.丁丙诺啡

D.三唑仑

E.美沙酮

32．Miss Bell joined the search-and-rescue team when she was 14, the youngest age ______ one can be admitted．                                                                                           

A．from which

B．at which

C．that

D．Which

治疗外感表证兼有食积者，宜选用的药物是（）

A.神曲

B.麦芽

C.青皮

D.莪术

E.山楂