试题与答案

一棵二叉树的层次遍历方法只有前序法和后序法两种。

题型:判断题

题目:

一棵二叉树的层次遍历方法只有前序法和后序法两种。

答案:

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At Ashvelle, there was a crossroad where I could go on along the main road or I could take a short cut. The short cut was to  4  several hills and was dangerous ,I hesitated (犹豫)for a little while and then chose the main road, for I wanted to be  5 .
Something strange happened after I drove a long  6  and found it was not the correct road that I wanted to  7, but the hilly road I decided to avoid .I realized that it was at the  8  that I had made the  9  mistake. “What shall I do?” I asked myself .If I went back to take that road again,  it would be very late by the time I got to Columbia. Thin it  10 , I decided to go on. “If  11  people can go along this road, why can’t I?” I  12  myself
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A.beforeB.agoC.alreadyD.still
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A.trainB.carC.highwayD.phone
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A.haveB.goC.rideD.cross
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A.safeB.dangerousC.fastD.slow
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A.comeB.leaveC.takeD.drive
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小题9:
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小题11:
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A.askedB.forcedC.encouragedD.told
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小题15:
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一种哲学的重大发展,不在于或者说主要不在于它对已有问题作出新的解释新的说明,而在于面对时代的要求,它改变了自己提出哲学问题的方式。它面向时代发展提出了新的问题,凝结出新的范畴和新的理论。这就是说:( )

A.哲学的重大发展,主要在于它面对时代要求改变了自己提出问题的方式

B.只要能提出新的问题,哲学就会获得重大发展

C.只要改变了提出问题的方式,哲学就会得到重大发展

D.哲学只是为了提问题,并不关心解决问题

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