are trying to sell products that do not exist or offer services

　　they will not provide. They are only interested in stealing your

　　money. When you answer their spam, you find you are expected to send them money and receive a gift.

　　One country in Africa has become famous for the number of criminals who try

　　every known trick to separate people from their money.

　　16. What does the underlined word “spare” probably refer to? A. Companies that send out millions of copies of the same

　　sales information. B. Advertisements sent out by companies who want to sell

　　their products. C. Computer virus that causes computer communication difficulties. D. Unwanted electronic information that reaches computer

　　users. 答案与解析：D　根据语境可知在网络中，罪犯想买根本不存在的产品或不能提供的服务，因而发送spam。spam应是信息的意思，而不是公司，广告或电脑病毒。

　　17. Which of the following is TRUE according to the text? A. Companies who advertise a lot are referred to as spammers. B. Spammers are people who receive spam on their computers. C. Spammers are people who collect many e­mail addresses

　　from websites. D. Either individuals or organizations can be spammers if

　　they send out spam. 答案与解析：D　spammer是垃圾邮件制造者。A项做很多广告的公司是spammer，是错误的。B项spammer是接收信息的人。C项spammer是指从网站上收集很多电子邮件地址的人，故选D项，无论是个人或组织，只要发送垃圾邮件都是。

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