大学英语(三)第2阶段测试题答案.doc

江南大学现代远程教育 第阶段测试卷考试科目:《大学英语（三）》 （总分100分） 时间：90分钟 - Can I borrow your digital camera for a couple of days? - ___C____ A：Yes, you may not borrow. B：Yes, go on. C：Sure, here you are. Enjoy your journey. D：It doesnt matter. 2- David injured his leg playing football yesterday. - Really? ___C____ A：Who did that? B：Whats wrong with him? C：How did that happen? D：Why was he so careless? 3-Could I borrow your car, please?-_________C_____________ A：Good idea. B：No hurry. C：With pleasure. D：No surprise. 4When did you move to America?- ________A_____________ A：Three years ago. B：About three years. C：Next year. D：This year. 5Im sorry to have kept you waiting.- _______A______________ A：It doesnt matter. B：Forget it. C：My pleasure. D：Its nice of you. E-mail is one of the biggest threats to your home computer. By understanding how E-mail works，and by taking some steps in how you deal with reading and writing messages，you can keep this threat out of your computer. When you exchange E-mail with someone else，the messages sent between you and that person pass through several computers before they reach their places. Imagine this conversation as it is taking place in an Internet room，a very，very big room. Anyone，or more exactly，any program can probably understand what is being said，because most Internet conversations are not hidden in any way. As a result，others may be listening in，capturing what you send，and using it for their own good. E-mail-borne viruses (病毒) often arrive in attractive, fantastic appearances, much like the beautiful ads we receive by way of traditional mail that is made to sell us something. By beautiful appearances，an infected (感染) E-mail message seems to be something we want to read from someone we know，not a mean virus ready to destroy or damage our computers. There are some steps that you can take to help you decide what to do with every E-mail message with an attachment (附件) that you receive. You should only read a message that