Farmers can save a considerable amount of pesticide by ________.

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• 1In 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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• 2Plants 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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• 3The 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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• 4It can be inferred from the passage that in minimizing the damage caused by earthquakes attention should be focused on ________.

  A.the increasing use of rubber and steel in capital construction

  B.the development of flexible building materials

  C.the reduction of the impact of ground vibrations

  D.early forecasts of earthquakes

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• 5The smart buildings discussed in the passage ________.

  A.would cause serious financial problems

  B.would be worthwhile though costly

  C.would increase the complexity of architectural design

  D.can reduce the ground vibrations caused by earthquakes

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• 6The 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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• 7Infrared scanning technology may be brought back into operation because of ________.

  A.the desire of farmers to improve the quality of their produce

  B.growing concern about the excessive use of pesticides on crops

  C.the forceful promotion by the Department of Agriculture

  D.full support from agricultural experts

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• 8The medicine is on sale everywhere. You can get it at ________ chemist’s.

  A.each

  B.some

  C.certain

  D.any

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• 9You cannot be ________ careful when you drive a car.

  A.very

  B.so

  C.too

  D.enough

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• 10In 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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