题目内容

图G的拓扑序列唯一,则其弧数必为n-1(其中n为顶点数)。( )

A. 对
B. 错

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You really know how to control your budget. ___.

A. Why wonder you have a lot of money in the bank
B. How wonder you have a lot of money in the bank
C. No matter you have a lot of money in the bank
D. No wonder you have a lot of money in the bank

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___ the newspaper article quickly and make a note of the main points.

A. Surf
B. Scan
C. Surge
D. Stir

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___ most farmers there, the Johnson family live in a nearby town instead of on the farm.

A. Unless
B. Despite
C. Unlike
D. Though

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If you don’t know what you want, you might ___ getting something you don’t want.

A. end up
B. fix up
C. pay off
D. attend to

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图G的拓扑序列唯一,则其弧数必为n-1(其中n为顶点数)。( )

A. 对 B. 错

You really know how to control your budget. ___.

___ the newspaper article quickly and make a note of the main points.

___ most farmers there, the Johnson family live in a nearby town instead of on the farm.

If you don’t know what you want, you might ___ getting something you don’t want.

A. 对
B. 错