皮皮学，免费搜题
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搜题
【单选题】
用户 Suser 登录本地计算机,由于疏忽两次未正确输入密码,登录对话框立刻变为灰色,不允许登录,原因是 ( ) 。A.
Account lockout counter
B.
Account lockout time
C.
Account lockout threshold
D.
Account lockout duration
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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【简答题】Attitude is an internal（内在的）state that influences the choices of personal action made by the individual. Some researchers consider that attitudes come from differences between beliefs and ideas; other...