单选题Duty is an act or a course of action that people ______ you to take by social customs, law or religion.

单选题He started his career ______ a painter.

单选题It"s true that not having a ear imposes some ______, but owning one also complicates life in many ways.

单选题Some people would like to do shopping on Sundays since they expect to pick up a lot of wonderful ______ in the markets.

单选题When he wrote to his father that he wanted to ______ his education and get married, his father cut off his allowance.

单选题Humor is a most ______, yet frequently neglected means of handling the difficult situations in our lives.

单选题With regard to this model of color TV sets, the home-made ones are by no means ______ those made in Japan.

单选题In January this year we placed the order for plastic containers. The deadline of March 31 has now passed and there is still no information of when delivery is to be expected. Please reply immediately with reasons for delay and inform us of when and how the goods will be shipped. If we do not hear from you, we shall have to cancel the order.

单选题Upon hearing that piece of music, my angry ________ was gradually replaced by one of peace.

单选题He didn"t thank me for the present. That is ______ annoyed me.

单选题We asked the girl ______ a tractor if she could tell us how to get to the farm.

单选题Directions: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A, B, C and D.

单选题______ I shouted at the top of my voice did he turn his head toward me. A. Until B. Only till C. Not until D. Till

单选题They regard ______ as their duty to provide the best service for their customers.

单选题The price of the car is very ______. A. low B. cheap C. dear D. expensive

单选题The signal ______, the train started.

单选题We could not have completed the job in time if it ______ for their help.

单选题Another new nation has been ______ being.

单选题 (D) About 16 million people in the United States have lost some of their hearing. About two million others are extremely or completely deaf. They cannot hear speech or most other sounds in their everyday life, even with a hearing aid to make sounds louder. There are several kinds of hearing loss. The first kind results from disease or injury to the outer or middle part of the ear. The damage prevents sound waves from reaching the inner ear. Usually, this form of hearing loss is not extreme. And a hearing aid or medical treatment can often restore hearing. A second kind of hearing loss involves the nerves (神经). It is caused by damage to the inner ear. A loud noise or disease may destroy some of the tiny nerve cells that carry sound. People suffering this kind of damage may lose the ability to hear some sounds, high or low. The third kind of deafness is called a central hearing loss. It is caused by damage to the hearing nerves leading to the brain or in the brain itself. Deafness is the most common bodily disability (残疾) in America. Often nothing can be done to stop it. But many cases can be prevented. One simple thing is responsible for most hearing loss. That one thing is noise. Telephone bells, loud music, machines. In industrial countries, especially, these things make the world very noisy. Studies have shown that old men in quiet African villages have much better hearing than young people in America. Other sources of deafness. include accidents, drugs and illnesses.

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