题目内容

What prompted the conversation

A. The man wants to place a classified ad in the newspaper.
B. The woman wants to find an apartment.
C. The man wants to pay for a newspaper subscription.
D. The woman wants to fill out an application for employment.

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疏水胶体的性质中不正确的是

A. 存在强烈的布朗运动
B. 具有双分子层
C. 具有聚结不稳定性
D. 不能形成凝胶
E. 具有Tynclall现象

下列关于气雾剂的特点不正确的是

A. 具有速效和定位作用
B. 由于容器不透光、不透水，所以能增加药物的稳定性
C. 药物可避免胃肠道的破坏和肝脏首过作用
D. 可以用定量阀门准确控制剂量
E. 由于起效快，适合心脏病患者适用

About ______ people were killed in the country's townships by the week- end.

A. three
B. thirteen
C. forty-six
D. sixty-four

临界胶束浓度为

A. Krafft点
B. 昙点
C. HLB
D. CMC
E. 杀菌和消毒