Compare and contrast Adware, Phishing, Spam, Spyware, Worm, Trojan horses,Logic bombs and Cookies.
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Distinguish the types of information that is relevant at each level of decision-making in a company.
下列关于价层电子对互斥理论说法错误的是()
A. 用来判断共价分子空间构型
B. 以静电排斥力作为成键电子对相互作用
C. AB3型分子一定是平面三角构型
D. 八面体可以降级到平面四方构型