【判断题】【消耗次数：1】
树T的每一对结点之间有且仅有一条道路可通。
①
正确
②
错误
参考答案：
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下列叙述中，错误的一条是（）
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应用圆角命令“fillet”对一条多段线进行圆角操作，错误的是（）。
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A.可以一次指定不同圆角半径
②
B.如果一条弧线段隔开两条相交的直线段，将删除该弧线段并用指定半径的圆角替代
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C.圆角半径不能为0
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随机题目
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①
add to
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dispose of
③
catch on
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absorb in
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that
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how
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what
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if
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①
is
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has
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are
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was
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Since evidence of the fraud came to light, Congress has been demanding a ______ investigation.
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horrible
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thorough
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thoughtful
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weird
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might never marry
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will never marry
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would never have married
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would never marry
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has been
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will be
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will have been
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would have been
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Oh, fantastic! Fresh air, and sunshine every day.
②
Come on, I’ve got lots of fun.
③
By the way, I don’t like Saturdays.
④
Well, I’ll look forward to your phone call.
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to do
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Dislike
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