【判断题】【消耗次数：1】
炭笔画画的痕迹比较容易擦掉。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
以下关于一笔画说法错误的是（ ）
①
能够一笔画的图形必须是连通的
②
凡是由偶结点组成的连通图，一定可以一笔画成。画时可以把任一偶结点为起点，最后一定能以这个点为终点画完此图
③
凡是只有两个奇结点的连通图(其余都为偶结点)，一定可以一笔画成。画时必须把一个奇结点为起点，另一个奇结点为终点
④
任何图形都可一笔画出
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occasions
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The elbows on your coat have worn thin, so I must _____them.
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