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【多选题】
狭义的外汇必须具备的特征有:
A.
是以外币表示的资产
B.
是以外国货币表示的负债
C.
是在国外能够得到补偿的债权
D.
是在国外能够得到补偿的债务
E.
是可以自由兑换为其他支付手段的外币资产
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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...
【判断题】When Moon Is So Bright was one of Su Shi ’ s famous works , represented his innovative best.
A.
正确
B.
错误
【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.
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