利水渗湿药适应的病证是（） A.淋证 B.痰饮证 C.水肿证 D.小便不

下列计算正确的是（　　）

A．a²•a³=a⁶

B．（a+b）（a-2b）=a²-2b²

C．（ab³）²=a²b⁶

D．5a-2a=3

Without the music, the children would have not had so much fun.

A．wouldn't be having

B．wouldn't have been

C．wouldn't be

D．wouldn't have had

Many students insist that the choice of their courses and universities ______ their own interest. [ ]

A. be based on

B. base on

C. be basing on

D. base at

各种环境中的港口与航道工程混凝土，均不得使用的水泥是（）。

A．矿渣硅酸盐水泥

B．火山灰质硅酸盐水泥

C．烧黏土质火山灰质硅酸盐水泥

D．粉煤灰硅酸盐水泥

下面哪些是《人感染H7N9禽流感处置应急预案（试行）》规定市卫生计生委承担的主要职责：（）.

A.协助市政府拟定全市人感染H7N9禽流感防控工作计划；制订防控人感染H7N9禽流感的技术方案

B.开展疫情防控与应急处置培训、演练和技术指导；开展健康教育，依法提出防控疫情扩散建议

C.做好监测、预测、预警和信息报告

D.组织开展流行病学调查、疫情控制和医疗救治工作