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【单选题】
下面有关变量声明的说法中,正确的是( )。A.
每个变量的存储空间大小由数据类型和编译环境共同决定
B.
C 语言中不用先声明变量，需要时直接使用即可
C.
在 VC++6.0 环境下，为 int 型变量分配的存储空间大小为 2 个字节
D.
变量声明时，不能进行赋值操作
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【简答题】设(X 1 ，X 2 ，…，X 9 )是取自正态总体N(2，3 2 )的一个样本，试求
【单选题】How long does a football game last?
A.
45 minutes
B.
90 minutes
C.
60 minutes
D.
120 minutes
【单选题】The object (宾语)of the sentence “Chinese parents never care what the children really want because they believe that it is good for the children. ” is _________.
A.
Chinese parents
B.
what the children really want
C.
they
D.
children
【单选题】.2.How does Nick Perrella treat his patients?
A.
He usually explains medical problems and then tells people some important things to do.
B.
. He only sings on his show to amuse his patients every week.
C.
He gives the medical advice in his singing.
D.
His program is only popular among the patients who enjoy his songs.
【简答题】A．They want to spend more time with their children. B．Visiting can help the children learn history better. C．They themselves like traveling very much. D．They want to meet their children's requirements...
【单选题】Parents have to accept their children for ______ they are and not ______ they want them to be.
A.
who what
B.
where who
C.
what why
D.
how when
【简答题】Parents have to accept their children for ________they are and not __________they want them to be. (A)who; what (B)where; who (C) what; why (D)how; when
【单选题】People may have fewer children than they want because
A.
women are having children at a later age.
B.
they are following the example of other people.
C.
politicians want them to.
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