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Question 7. Read the passage and then choose the best answer for each question The last two decades have seen enormous changes in the way people's lives are affected by IT. Twenty years ago few people had access to a computer while today most people use them at work, home or school and the use of e-mail and the Internet is an everyday event. These developments have brought many benefits to our lives. E-mail makes communication much easier and more immediate. This has numerous benefits for business, commerce, and education. The World Wide Web means that information on every conceivable subject is now available to us. Clearly, for many people this has made life much easier and more convenient. However, not all the effects of the new technology have been beneficial. Many people feel that the widespread use of e-mail is destroying traditional forms of communication such as letter writing, telephone and face-to-face conversation. In addition, the huge size of the Web means it is almost impossible to control and regulate. This has led to many concerns regarding children accessing unsuitable websites and viruses. Unfortunately, this kind of problem might even get worse in the future at least until more regulated systems are set up. In conclusion, developments in IT have brought many benefits, yet developments relating to new technology are likely to produce many negative effects in the future, and they must be addressed if we are to avoid damaging impacts to individuals and society. 1.According to the passage, the World Wide Web ___________. A.brings only benefits to people B.has both advantages and disadvantages C.is difficult for children to get access to D.causes a busy and exciting life 2.The writer of the passage believes that e-mail ___________. A.reduces face-to-face contact B.is used only in business C.can be checked quickly and easily D.takes a lot of time to transmit 3.It is believed that future IT developments will probably be ___________. A.more rapid B.more negative C.more positive D.unexpected 4.What does the word “they” in the last paragraph refers to? A.Benefits B.Developments C.Negative effects D.Damaging impacts 5.It can be inferred from the passage that children's use of the computer should be ___________. A.increased B.reduced C.stopped D.controlled

Question 6. Choose the correct option for each for each numbered gap in the passage People have used codes to send secret messages since Roman times. But codes are not just something (1) ______ by Julius Caesar or a spy. People today use codes every time they pay for something by credit card or send an email to a friend. Codes (2) ______ our personal information. Before computers, the biggest users of codes were governments, who used them particularly in war. The (3) ______ Greeks sent and received messages using a scytale, a cylinder made of wood. An officer would put cloth around the cylinder and write a message along it. When he took the cloth off, the writing appeared to mean nothing. But the officer who received the cloth had a similar cylinder and could easily read the message. Julius Caesar used a simple system to communicate with his army. (4) ______ writing the letter A, he would write D (+3 letters). Computer security systems today are not so different from the one Caesar used. But the keys are much bigger and there are billions of (5) ______ for each letter or number. 1.A.done B.used C.got D.sent 2.A.protect B.prevent C.defend D.keep 3.A.antique B.early C.old D.ancient 4.A.Because of B.Instead of C.Due to D.Except for 5.A.potentials B.likelihoods C.chances D.possibilities

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