According to the third paragraph, ______. The word "tip off" (Line 3, Para 4) mostly probably means " ______".

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问题 According to the third paragraph, ______.
The word "tip off" (Line 3, Para 4) mostly probably means " ______".

选项 A、provide secrete information
B、threaten seriously
C、investigate carefully
D、defend secretly

答案A

解析 本题问 “第四段中tip off的意思是什么?”文中第三段指出,The computer criminals who have been caught may be the victims of uncommonly bad luck. 第四段也谈到,In another case,dissatisfied employees of the thief tipped off the company that was being robbed. 这里说还有一个例子证明计算机犯罪都是偶然被抓到的,据此推断应该是由于盗窃者雇用的人对他不满向被盗公司泄漏了秘密。tip off 此处意为“泄漏消息”,故[A]“提供秘密信息”正确。[B]“严重恐吓”。若是恐吓就不具有偶然发现的意思了。[C]“认真调查”。与上下文的意思不符。[D)“暗地保护”。暗地保护被盗公司也不能证明计算机犯罪分子落网的原因。
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