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【单选题】
某二叉树共有730个结点,其中度为l的结点有30个,则点个数为( )。
A.
不存在这样的二叉树
B.
351
C.
17
D.
350
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参考答案:
举一反三
【单选题】IN Britain, children up to the age of ____ can receive family allowances for children.
A.
11
B.
12
C.
15
D.
16
【单选题】In Britain, children from the age of 5 to 16:
A.
can legally receive party free education
B.
can legally receive completely free education
C.
can not receive free education at all.
D.
can not receive free education if their parents are rich
【单选题】In Britain, children from the age of 5 to 16
A.
can legally receive partly free education
B.
can legally receive completely free educaiton
C.
can not receive free education at all
D.
can not receive free education if their parents are rich
【简答题】使用钳形电流表应注意哪些事项?
【单选题】In Britain, children from the age of 5 to 16
A.
can legally receive partly free education.
B.
can legally receive completely free education.
C.
can not receive free education at all.
D.
can not receive free education if their parents are rich.
【单选题】使用钳形电流表应注意( )
A.
测量前先估计电流的大小
B.
产生杂声不影响测量效果
C.
必须测量单根导线
D.
测量完毕应将量程开到最小
【简答题】阅读理解 In Britain all children have to go to school between the ages of 5 and 16.  In the US children must go to school from the age of 6 to the ages between 14 and 16, depending on the state they live ...
【单选题】当今中国羌族的定居地不包括:()
A.
理县
B.
汶川
C.
酒泉
D.
茂县
【判断题】 免维护蓄电池主要是指使用过程中不需要进行充电。( )
A.
正确
B.
错误
【简答题】使用钳形电流表应注意些什么?
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