归纳法是从个别出发以达到一般性，从一系列特定的观察中发现一种模式。（）

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。选项中有两项为多余选项。

(71 )   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.   (72)    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, and sometimes become ruined by them.

(73)   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. (74)   Unfortunately older persons often form habits which ought to have been avoided.

(75)      

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

B．Whether good or not habits 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 habits.

F. These are all easily formed habits.

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

全腹膜炎多继发于___________、_______________、_________、_____________及__________等。

下列选项中，在我国分别被称为“海上走廊”和“汽车城”的是( )。

A．台湾海峡和长春市
B．渤海海峡和广州市
C．朝鲜海峡和北京市
D．琼州海峡和重庆市

在整个病变过程中没有肺泡壁和其他结构损坏的肺炎是（）

A.克雷伯杆菌肺炎

B.金黄色葡萄球菌肺炎

C.干酪性肺炎

D.铜绿假单胞菌肺炎

E.肺炎链球菌肺炎

（）具有很强的吸湿性，能吸附相当于自身体积8~20倍的水而膨胀至30倍

A.膨润土

B.聚丙烯酰胺（PMA.

C.纯碱（Na2Co3）

D.NaOH