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【单选题】
已知int x=10;float y=20;double z=30;,则表达式x+y+z的数据类型是。
A.
int
B.
float
C.
double
D.
无法确定
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【单选题】Which one is compared to Xizi by the famous Song Dynasty poet Su Dongpo?
A.
West Lake
B.
Dongting Lake
C.
Tai Lake
D.
Qinghai Lake
【单选题】在一棵具有n个结点的二叉树中,所有结点的空子树个数等于( )。
A.
n
B.
n-1
C.
n+1
D.
2n
【简答题】一棵具有n个结点的二叉树,若它有m个叶子结点,则该二叉树中度为1的结点个数是 ( ) 。
【单选题】在一棵具有n个结点的二叉树的第i层上,最多具有( )个结点。
A.
2 i
B.
2 i+1
C.
2 i-1
D.
2 n
【单选题】一棵具有n(n>1)个结点的二叉树可以看成是由一个根结点、具有___个结点的左子树和一棵具有___个结点的右子树组成的。
A.
i+1 n-i
B.
i n-i-1
【单选题】One advantage of chain over wire rope for a tow bridle is that chain ______.
A.
is better suited for inland towing
B.
resists damage from chafing
C.
handles more easily
D.
equalizes towing forces better
【简答题】任意一棵具有n个结点的二叉树,若它有m个叶子,则该二叉树上度数为1的结点为______个。
【简答题】阅读理解 The right to pursue happiness is issued to us all with our birth, but no one seems quite sure what it is. A holy man in India may think that happiness is in himself. It is in needing nothing from...
【单选题】According to the last paragraph, which one is true about emerging markets?
A.
Most people suffer from long-term diseases.
B.
People get diseases much easier than before.
C.
People's lifespan has been gready prolonged.
D.
Imported drugs' price has been greatly cut down.
【简答题】cc智能自动恒温空调可实现几区控制
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