Infrared scanning technology may be brought back into operation because of ________.

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• 1The application of infrared scanning technology to agriculture met with some difficulties due to ________.

  A.the lack of official support

  B.its high cost

  C.the lack of financial support

  D.its failure to help increase production

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• 2Farmers can save a considerable amount of pesticide by ________.

  A.resorting to spot-spraying

  B.consulting infrared scanning experts

  C.transforming poisoned rain

  D.detecting crop problems at an early date

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• 3In order to apply pesticide spraying precisely, we can use infrared scanning to ________.

  A.estimate the damage to the crops

  B.draw a color-coded map

  C.measure the size of the affected area

  D.locate the problem area

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• 4Plants will emit an increased amount of heat when they are ________.

  A.sprayed with pesticides

  B.facing an infrared scanner

  C.in poor physical condition

  D.exposed to excessive sun rays

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• 5The author’s main purpose in writing the passage is to ________.

  A.compare the consequences of the earthquakes that occurred in the U.S.

  B.encourage civil engineers to make more extensive use of computers

  C.outline the history of the development of quake-resistant building materials

  D.report new developments in constructing quake-resistant buildings

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• 6The medicine is on sale everywhere. You can get it at ________ chemist’s.

  A.each

  B.some

  C.certain

  D.any

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• 7You cannot be ________ careful when you drive a car.

  A.very

  B.so

  C.too

  D.enough

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• 8In general, the amount that a student spends for housing should be held to one-fifth the total ________ for living expenses.

  A.acceptable

  B.available

  C.advisable

  D.applicable

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• 9Every man in this country has the right to live where he wants to ________ the color of his skin.

  A.with the exception of

  B.in the light of

  C.by virtue of

  D.regardless of

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• 10Housewives who do not go out to work feel they are not working to their full ________.

  A.capacity

  B.strength

  C.length

  D.possibility

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