更多"Professor Thring's mechanical coal "的相关试题:
[单项选择]Professor Thring expects that the Coal Board will ______.
A. reject his idea
B. listen to the Press
C. be unable to develop his invention
D. reduce coal output
[单项选择]What is Professor Thring's invention
A. A kind of machine which miners ride on.
B. A machine to supply fresh air to tunnels.
C. A digging machine operated at a distance.
D. A form of metal protective clothing.
[单项选择]What particular advantage does Professor Thring's coal miner have
A. It does not have to go deep underground.
B. It can work in very narrow spaces.
C. It can work in the open air.
D. It is twice as strong as a human miner.
[单项选择]Why does Professor Thring think that the unions should be pleased about the mechanical coal miner
A. Because a lot more miners will be needed.
B. Because miners will earn over 10,000 a year.
C. Because miners will not have to work underground any more.
D. Because it will reduce the risk of explosions.
[单项选择]The country's chief exports are coal, cars and cotton goods, cars ______ the most important of these.
A. have been
B. are
C. being
D. are being
[单项选择]In the author's opinion, the importance of coal-generated electricity could increase in the future for which of the following reasons
A. The possible substitutes are too dangerous.
B. The cost of changing to other fuels is too great.
C. The future availability of other fuels is uncertain.
D. Other fuels present too many environmental problems.
[单项选择]The exploits of the legendary miner, John Henry, have come to symbolize the manual laborer's stand against mechanization.
A. contrast with
B. interaction with
C. ignorance of
D. defiance of
[单项选择]For generations coal and oil have been regarded as the chief energy sources used to transpolt men from place to place．
A. 煤和石油世世代代都被认为是人类来往于各地进行交通的主要能源。
B. 煤和石油不仅是用来发电而且是用于交通的主要能源。
C. 多年来，煤和石油一直被认为是交通运输的主要能源。
D. 煤和石油一直都是人类世代相传使用的主要交通能源。
[单项选择]What makes coal-fired power plants less attractive today
A. Acid rain.
B. Problems of waste disposal and pollution control.
C. Future growth of nuclear power.
D. Sufficient supply of oil and natural gas.
[单项选择]The coal miners went on strike because they thought their wages were too ______.
A. little
B. few
C. small
D. low
[单项选择]Users of heating oil were unaffected by the coal ______.
A. decline
B. vacancy
C. rarity
D. shortage
[单项选择]Some cities have passed laws that allow coal and oil ______ only if their sulfur con- tent is low.
A. burning
B. to burn
C. being burned
D. to be burned
[单项选择]It can be inferred from the passage that coal became the principal some of electricity in the United States because it _________.
A. did not cause any environmental problems.
B. was comparatively plentiful and inexpensive.
C. was easy to transport.
D. burned efficiently.
