特别行政区享有高度自治权，但不能享有独立的（）。 A.外交权 B.国防权 C.行政管

新民主主义革命的中心内容是：

A．没收封建地主阶级的土地归新民主主义国家所有

B．没收官僚垄断资本归新民主主义国家所有

C．没收封建地主阶级的土地归农民所有

D．保护民族工商业

主阀分为哪几种？蝶阀的作用是什么？   

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中的两项为多余选项。

     1___ When a person does a certain thing again, he is impelled ( 迫使) by some unseen force to do the same

thing repeatedly; thus a habit is formed. Once a habit is formed, it is difficult, and sometimes impossible, to

get rid of. 2___ Children often form bad habits, some of which remain with them as long as they live. Older

persons also form bad habits as long as they live. Older persons also form bad habits, and sometimes become

ruined by them.      

     3___ Many successful men say that much of their success has something to do with certain habits in early

life, such as early rising, honesty and thoroughness. Among the habits which children should not form are

laziness, lying, stealing and so on. 

     4___ Unfortunately older persons often form habits which ought to have been avoided.

     5___

A. There are other habits which, when formed in early life, are of great help.

B. Whether good or not habit are, they are easy to get rid of.

C. We ought to keep from all these bad habits, and try to form such habits as will prove good for ourselves

and others.

D. Habits, whether good or bad, are gradually formed.

E. It is very important for us to know why we should get used to good habbits.

F. These are all easily formed habits.

G. It is therefore very important that we should pay great attention to the formation of habits.

可以润滑肠壁软化粪便且不被吸收的药是

A．甘油

B．液体石蜡

C．开塞露

D．硫酸镁

E．酚酞

电源线接在插座上或接在插头上是一样的