Increased air _____ will raise scavenge efficiency and allow a greater mass of air to be compressed; more fuel may now be burned giving an increased power.

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• Air transport companies use different planes__________.

  A . in the development of air transportation B . the earliest passenger flights were successfully operated C . to make travel easy and pleasant for the passengers D . to provide different services E . the shortage of qualified pilots F . traveling by air was very cheap

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• An employment survey revealed today that demand for high-level executives _________ increased this year.

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• The manager announces with _____that the prices must be increased.

  A、 pity B、blame C、regret D、 sympathy

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• If you will send us a catalog by air, we shall ________ very much ．

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• In a study published by __________, some researchers found thateating too much red meat was linked to an increased risk of mortality.

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• Increased air pollution __________ respiratory illness.

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• The air after the rain is excellent. I love to _____ (吸入) the clean air.

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• I hope all the precautions against air pollution, ______ suggested by the local government, will be seriously considered here.

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• Increased demand for a country's _________ causes its currency to appreciate in the long run, while increased demand for _________ causes its currency to depreciate.

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• Too much _______ to dirty air can cause people to suffer from allergies and diseases that will eventually affect people's health.

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• Can you ________ the air conditioning?

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• The number of _________in our city has increased yearly.

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• When the demand for facial tissues increased, ________.

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• Our_______has increased over the last 1.5 years.

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• Over a period of time, if total assets increased by $26 000 and total liabilities increased by $6 000, then owner's equity would be increased by______.

  A．$32 000 B．$25 000 C．$7 000 D．$20 000

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• According to the US National Center for Health Statistics, the increased obesity in the US is a result of_______.

  A) the growing number of smokers among young people B) the rising proportion of minorities in its population C) the increasing consumption of high-calorie foods D) the improving living standards of the poor people

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• The factory has increased its_____by l2 percent this year.

  A.product B.output C.goods D.quantity

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• When the load is increased on a turbocharged diesel engine, the amount of increased air supplied by the turbocharger will___________.

  A.lag behind the increased fuel supplied to the engine B.enter the engine along with the increase in the fuel C.enter the engine before the increased fuel supply D.leave the turbocharger as a negative pulse

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• It has been estimated that the earth’s surface temperature has increased ________ one quarter to three quarters of a degree since 1805.

  A) to B) be C) at D) with

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• Smoking ______ the air dirty.

  A．makes B．keeps C．gets

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• In paragraph 1, "... the number of loans originated increased by nearly fourfold" means______.

  A．the amount of money owed is four times higher than before B．four times as many students have loans than before C．there are four times as many loans as before D．four times as many loans are applied for than before

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• Present bandwidth restrictions may be raised and image quality may be increased with the help of ______ .

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• The new secretary is quick and _____. Since she came, the ______ of the department has been increased.

  A．A.efficient, efficiency B．B.efficiency, efficient C．C.effective, effect D．D.efficient, effect

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• The output of our factory has increased _____ 30% ______ last year.

  A．in; on B．at; about C．by; over D．with; below

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