The word “bow” can be used as noun and verb, so “bow”(as noun) and “bow” (as verb) are homographs.
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Homonymy can be divided into three types.
A. 对
B. 错
“It is hot.” is a no-place predication because it contains no argument.
A. 对
B. 错
红白球共25个，白黑球共31个，红黑球共28个，求三种球各有多少？用for语句实现。
输入一个数，判断该数是不是质数。质数：只能被1和它自身整除的数，1不是质数也不是合数，质数必须是大于1的自然数。（1个for语句+break语句）
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