2017年11月成人學(xué)位英語考試考前提分試題及答案一
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Scientists in India have invented a new way to produce electricity. Their invention does not get its power from oil, coal or other fuels. It produces electricity with the power of animals. India has about eighty million bullocks(小牛). They do all kinds of jobs. They work in the fields. They pull vehicles through the streets. They carry water containers. Indian energy officials have been seeking ways to use lessimported oil to provide energy. Scientists at the National Institute for In- dustrial Engineering in Bombay (孟買 ) wondered whether the millions of bullocks could help.
Many villages in India lack electricity, but they have many bullocks. And often the animals are not working. One job done by bullocks is to pump water out of the well. The animals do this by walk-ing around and around in a circle. As they walk, they turn a heavy stick that makes the pump move. This simple technology is centuries oid. Scientists thought that the same technology could be used to produce electricity. Bullocks walk in a circle only two or three times a minute.
This is much too slow to produce electricity, but it can create enough power to turn a series of gears(齒輪). A large gear sits next to a smaller gear. As the large gear turns, it causes the smaller gear to turn. That gear turns an even smaller one. Each gear moves faster because it is a little smal-ler. The smallest gear may turn extremely fast. Clocks operate with gears. So do cars and so does the device invented by the Indian scientists to produce electricity.
According to the officials in the United Nations, the idea is being tested at several places in In-dia. The device is easy to operate and repair. And it can be moved easily. It costs about three hun-dred and seven dollars now to make such a device, but production of large numbers of them could cut the cost of each to about two hundred dollars.
第26題 Who first thought of using bullocks to provide energy?
A.Indian energy officials.
B.Scientists in India.
C.Officials in the United Nations.
D.Researchers in Europe.
第27題 Which kind of job that the bullocks do is NOT mentioned in the passage?
A.Pulling vehicles.
B.Plowing fields.
C.Pumping water out if wells.
D.Carrying food baskets.
第28題 Why are bullocks used to provide energy in India?
A.Because bullocks have long been used by Indian people.
B.Because bullocks walk slowly and are easy to control.
C.Because there are few non-working bullocks in India.
D.Because there is not enough oil in India.
第29題 In the sentence "This simple technology is centuries old" in Paragraph One, "This simple tech-nology" refers to__________.
A.using bullocks to produce energy
B.using pumps to draw water out
C.having bullocks walk around to make the pump move
D.connecting gears of different sizes to produce electricity
第30題 Which of the following is true about the device mentioned in the passage?
A.It has a large gear and a smaller gear.
B.It' s easy to use, but difficult to move.
C.It' s quite cheap.
D.It' s still being teste
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