下列分散系属于胶体的是( ) A.FeCl3溶液 B.CuSO4溶液 C.碘酒

题型:选择题

问题:

下列分散系属于胶体的是(    )

A.FeCl3溶液

B.CuSO4溶液

C.碘酒

D.有色玻璃

考点:溶液浊液胶体
题型:选择题

请解决以下有关物质分类的问题:

(1)将几种酸按下列分类的方法进行分类,其分类方法的名称叫              ,其中有一处错误是                                     

(2)下列物质:①Na ②Br2  ③Na2O ④NH3  ⑤CO2 ⑥蔗糖 ⑦NaCl ⑧稀盐酸 ⑨H2SO4⑩Ba(OH)2  属于电解质的是                           (用序号填写)。

题型:选择题

阅读下面短文,根据上下文填入适当的词语,或使用括号中的词语的适当形式填空,并将答案填写在

标号为1-10的相应位置。

     When someone says "Well, I guess I'll face the music.", he doesn't mean that (1)______ is planning to go

to a concert. It is something far less happy, as you are (2)______ (call) in by your boss to explain why you

did this or did that, or (3)______ you did not do this or that.

     At some time (4)______ another, every one of us has to "face the music", (5)______ (especial) as children,

we can all remember father's angry words"I want to talk to you!" And it was only because we did not listen

to him. (6)______ a bad thing it was!

     In the middle or at the end of every term, some students have to "face the music". The result of the exam

will decide (7)______ they will have to face the music or not. There might be parents' blame and the contempt

(轻视) of the teachers and other (8)______ (classmate).

     The phrase "to face the music" is well known to every American, (9)______ or old. It is at least 100 years

old. It originally means that you have to do something (10)______ (brave), no matter how terrible the whole

thing might be, because you know you have no choice.

题型:选择题

吸附剂的最大毒物是()。

A.油

B.H2O

C.空气

D.CO2

题型:选择题

Visual FoxPro(VFP)对 xBASE 数据库作了许多改变,主要包括:______。Ⅰ. VFP 扩充了 xBase 关于一个数据库实质上是一个二维表的数据库概念;Ⅱ. VFP 提供了数据字典;Ⅲ. VFP 提供了存储过程、视图、触发器等。

A.Ⅰ和Ⅱ

B.Ⅱ和Ⅲ

C.Ⅰ和Ⅲ

D.Ⅰ,Ⅱ和Ⅲ

题型:选择题

下列哪项不是虎杖的功效

A.清热解毒

B.消瘀止痛

C.化痰止咳

D.利水通淋

E.利湿退黄

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