52. Daisy’s major is biology. She is interested in studies of tigers in India. Before graduation, she needs to write an essay on the tiger. She hears that it is one of the largest tiger populations of any of India’s parks. And so she wants to go there to do some research.

Life gets noisier every day and very few people can be free from noise of some sort or another. It doesn’t matter 　26　 　you live - in the middle of a modern city, or a faraway village - the chances 　27 　you will be disturbed by jet airplanes, transistor radios, oil-powered engines, etc, are almost everywhere. We seem to have got 　28　　 　(use) to noise, too. Some people feel quite lonely 　29　 　background music while they are working.

Scientific tests have shown that total silence can be very 　30　 (frighten) experience for human beings. 　31　 　, some people enjoy listening to pop music which is very loud, and this can do harm to 　32　 　eardrums (耳鼓). The noise level in some disco is far above the usual safety level for heavy industrial areas.

One recent report about noise and concentration 　33　 　(suggest) that although a lot of people say that any noise disturbs their concentration, 　34　 　　really affects their ability to concentrate is a change in the level of noise. It goes on to say that a background noise, 　35　 doesn’t change too much (music, for example), may even help people to concentrate.

10. _____ confidence, she wasn’t awarded Beauty Queen in the beauty contest.　　　　

A. Lacking　　　 　 　B. Lacking for 　　　C. Lack of 　　　 　　　　D. Lacked

9. Helen always helps her mother even though going to school _____ most of her day.

　A. takes up　　 　B. makes up　　　 C. saves up　　　　 D. puts up

8. The two presidents agree with each other on the whole, but much remains ____ at the following meeting.

A. discussing　 　B. discussed　　 　C. to discuss　 　　D. to be discussed