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【单选题】
以下哪个不是Hash算法的特点A.
无论原始数据多大，结果大小一样
B.
无法根据加密后的还原原始数据
C.
输出一样，输入也必定一样
D.
输入的微小改变，会引起结果的巨大改变
拍照语音搜题，微信中搜索"皮皮学"使用
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【单选题】We are cleaning the room ______ they are watching TV .
A.
When
B.
while
C.
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D.
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