Exercise 8. Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 36 to 40.
Many people enjoy lying in bed in the morning, but can you imagine having to spend 90 days in bed? Could you stand the boredom and the frustration of not being (36)           to get up? That was the task that  faced 14 volunteers when they started out on a bed-rest experiment being conducted (37)           the European Space Agency.
The study had a serious purpose: to investigate the changes that take place in the human body during long-duration spaceflight. Lying in a horizontal position was the best way of (38)           weightlessness. The aim was to discover what effect period of weightlessness will have on the health of astronauts spending several months on the International Space Station.
The volunteers ate their meals, took showers and underwent medical tests without ever sitting up. That's even tougher than it sounds, especially when you (39)           that no visitors were permitted. However, each volunteer did have a mobile phone, as well as access to the latest films, computer games and music.  Surprisingly, Everyone was in a good  (40)           at the end of the 90 days, 'I would do it again,' said one of the volunteers. 'It was disorientating, but we knew we were 'contributing to medical research and space exploration.'
(38)
A.simulated                       
B.simulate                          
C.to simulate 
D.simulating

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Exercise 6. Read the passage carefully, then choose the correct answers.
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 whilst today most people use them at work, home or school and use of e-mail and the Internet is an every day 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. In conclusion, developments in IT have brought many benefits, yet I believe developments relating to new technology in the future are likely to produce many negative effects that will need to be addressed very carefully.
According to the passage, E-mail........................ .
A.reduces face-to-face contact
B.can be checked quickly and easily
C.is used only in business   
D.takes a lot of time to transmit