To many people,a linguist is the same as a （）,one who can speak several languages fluently.

Now Dr. Ross is bringing a welcomed medical revolution to the world_________ so many people need it.

24． It is ________ in the shadow of a tree in summer，so many people like to stay there．

Traditionally, people gave Christmas gifts or money to their staff or servants on （）which is the day after Christmas.

In a survey of 63 people, 23 people subscribed to magazine A, 21 people subscribed to magazine B, and 17 subscribed to magazine C. For any two of the magazines, 4 people subscribed to both magazines but not to the third magazine. If 18 people in the survey did not subscribe to any of the three magazines, how many people subscribed to all three magazines?

The purpose of the skirt or trunk in four-stroke cycle engines is to act in a similar manner to a （）.

Five people want to rent the last two copies of a movie. How many ways can these five people rent the two movies?

Passage ThreeNo one knows exactly how many disabled (残废的) people there are in the world, but estimates suggest the figure is over 450 million. The number of disabled people in India alone is probably more than double the total population of Canada.In the United Kingdom, about one in ten people have some disability. Disability is not just something that happens to other people. As we get older, many of us will become less mobile (可动的), hard of hearing or have failing eyesight.Disablement can take many forms and occur at any time of life. Some people are born with disabilities. Many others become disabled as they get older. There are many progressive disabling diseases. The longer time goes on, the worse they become. Some people are disabled in accidents. Many others may have a period of disability in the form. of a mental illness. All are affected by people's attitude towards them.Disabled people face many physical barriers. Next time you go shopping or to work or visit friends, imagine how you would manage if you could not get up steps, or on to buses and trains. How would you cope if you could not see where you were going or could not hear the traffic? But there are other barriers: prejudice can be even harder to break down and ignorance inevitably represents by far the greatest barrier of all. It is almost impossible for the able-bodied to fully appreciate what the severely disabled go through, so it is important to draw attention to these barriers and show that it is the individual person and their ability, not their disability, which counts.41. The first paragraph points out that ______.

Oil is supplied to the crosshead using a swinging arm or a （） and is sometimes boosted in pressure to and efficient lubrication.

Many people believe that Americans love their cars almost more than anything else. They are (21) about cars. Not only is the car the (22) means of transportation in the States, it has (23) become a "plaything". (24) the time youngsters become fourteen years old or even (25) , they're likely to start (26) of having their own cars.In the USA, the (27) family, if the father is not (28) work, can afford to buy a new car every five years. However, many young people (29) after school in order to save money to buy a car. Learning to drive and getting a driver license may be one of the most exciting (30) of a young person's life. Driver (31) is one of the most popular courses. At the end of the course the student will (32) a driving test for a license. (33) many, that piece of paper means that they have grown up.In the United States, many men and women (34) to have cars. People use cars to go to work. (35) drive cars to go shopping, to take the children to school or for other activities.21.

Ⅲ. There are four choices following each statement. Mark the choice that can best complete the statement: If a linguistic study describes and analyzes the language people actually use, it is said to be （）