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【单选题】
算法程序通常需要三种不同的控制结构,即:顺序结构、分支结构和循环结构,下面说法正确的是()。
A.
一个程序只能包含一种结构
B.
一个程序最多可以包含两种结构
C.
一个程序可以包含以上三种结构中的任意组合
D.
一个程序必须包含以上三种结构
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举一反三
【单选题】补体激活过程从Clq开始,Cl~C9共11种成分全部参与的活化途径为
A.
经典途径
B.
替代途径
C.
MBL途径
D.
经典途径及替代途径
E.
经典途径、替代途径及MBL途径
【单选题】如图4所示电路为复杂电路的一部分,所示电流I为( )A。
A.
12
B.
4
C.
0
D.
-4
【简答题】若5 x =12,5 y =4,则5 x -y =_ ______ .
【简答题】若5 x =3,5 y =2,则5 x+y =______.
【简答题】Sociolinguists are interested in 'terms of address' because they offer some socio-cultural information about the type of relationship between the speaker and the hearer.(上外2000年研)
【单选题】Millions of workers in some Asian countries have been ___ as a result of IMF terms.
A.
laid aside
B.
laid back
C.
put away
D.
laid off
【单选题】I’ll tell you a ___________ story. (有趣的)
A.
happy
B.
funny
C.
glad
【单选题】I know how to make you better, baby. I’ll tell you a story.
A.
fell
B.
to feel
C.
feel
D.
felt
【判断题】x,y是两种相关联的量,若3x=5y,则x,y成反比例。 [     ]
A.
正确
B.
错误
【单选题】In the first paragraph, the author gives the definitions of some terms in order to______.
A.
argue for the similarities between animal societies and human societies
B.
smooth out the conflicts in human societies
C.
distinguish between two kinds of opposition
D.
summarize the characteristic features of opposition and cooperation
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