题目内容

矿质养分在韧皮部的移动性对其在体内的分布有何影响,试举例说明。

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尺寸链的环分为()、()。

暴雨预报、警报制是汛期安全警戒制度的组成部分。

A. 正确
B. 错误

若某网页背景颜色设置为FFFFF,则背景的颜色为黑色。

A. 正确
B. 错误

Which statement is true about vishing?()

A. Influencing users to forward a call to a toll number (for example, a long distance or international number)
B. Influencing users to provide personal information over a web page
C. Using an inside facilitator to intentionally forward a call to a toll number (for example, a long distance orinternational number)
D. Influencing users to provide personal information over the phone

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