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四六级时尚美文阅读(MP3+中英字幕) 第25期:保护个人计算机安全

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1.It's near impossible to defend oneself from the kind of cyber attack that targeted Google Inc. and more than 30 other companies.
本句是一个复合句。It是形式主语,真正的主语是后面的to defend oneself...companies不定式短语。其中that引导限制性定语从句,修饰 cyber attack。
语法重点:形式主语,定语从句
2. This can protect a computer against known malicious programs that could allow a hacker to steal personal information.
本句是一个复合句,that引导限制性定语从句,修饰programs。to steal personal information是allow的宾语补足语。
语法重点:定语从句,宾语补足语
3. They could be targeted by hacker who could takes steps,including sending malicious software in an email that appears to come from someone the victim knows.
本句是一个复合句,主句是they could be targeted by a hacker。 who引导限制性定语从句,修饰hacker。其中including...email现在分词短语作伴随状语。that引导定语从句,修饰email。
语法重点:定语从句,分词短语作状语


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