A thorough study of biology requires ________ with the properties of trees and plants, and the habit of birds and beasts.

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• 1The returns in the short ________ may be small, but over a number of years the investment will be well repaid.

  A.interval

  B.range

  C.span

  D.term

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• 2I don’t think it’s wise of you to ________ your greater knowledge in front of the director, for it may offend him.

  A.show up

  B.show out

  C.show in

  D.show off

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• 3There were many people present and he appeared only for a few seconds, so I only caught a ________ of him.

  A.glance

  B.glimpse

  C.look

  D.sight

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• 4The machine needs a complete ________ since it has been in use for over ten years.

  A.amending

  B.fitting

  C.mending

  D.renovating

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• 5________ for the timely investment from the general public, our company would not be so thriving as it is.

  A.Had it not been

  B.Were it not

  C.Be it not

  D.Should it not be

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• 6She worked hard at her task before she felt sure that the results would ________ her long effort.

  A.justify

  B.testify

  C.rectify

  D.verify

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• 7I’m very glad to know that my boss has generously agreed to ________ my debt in return for certain services.

  A.take away

  B.cut out

  C.write off

  D.clear up

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• 8Some journalists often overstate the situation so that their news may create a great ________.

  A.explosion

  B.sensation

  C.exaggeration

  D.stimulation

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• 9According to what you have just said, am I to understand that his new post ________ no responsibility with it at all、

  A.shoulders

  B.possesses

  C.carries

  D.shares

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• 10Sometimes the student may be asked to write about his ________ to a certain book or article that has some bearing on the subject being studied.

  A.comment

  B.reaction

  C.impression

  D.comprehension

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