The microscope and telescope, with their capacity to enlarge, isolate and probe, demonstrate how details can be ________ and separated from the whole.

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• 1This is a long ________—roughly 13 miles down a beautiful valley to the little church below.

  A.terrain

  B.tumble

  C.descent

  D.degeneration

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• 2My grandfather, a retired worker, often ________ the past with a feeling of longing and respect.

  A.contrives

  B.considers

  C.contacts

  D.contemplates

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• 3The doctors ________ the newly approved drug into the patient when he was critically ill.

  A.projected

  B.injected

  C.ejected

  D.subjected

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• 4A number of students ________ in flats, and others live in the nearby holiday resorts, where there is a reasonable supply of competitively priced accommodation.

  A.reside

  B.revive

  C.gather

  D.inhabit

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• 5Many ecologists believe that lots of major species in the world are on the ________ of extinction.

  A.fringe

  B.margin

  C.border

  D.verge

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• 6They couldn’t see a ________ of hope that they would be saved by a passing ship.

  A.slice

  B.span

  C.gleam

  D.grain

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• 7Any salesperson who sells more than the weekly ________ will receive a bonus.

  A.portion

  B.quota

  C.ratio

  D.allocation

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• 8________ efforts are needed in order to finish important but unpleasant tasks.

  A.Perpetual

  B.Persistent

  C.Consecutive

  D.Condensed

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• 9Some scientists are dubious of the claim that organisms ________ with age as an inevitable outcome of living.

  A.degrade

  B.default

  C.depress

  D.deteriorate

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• 10It took a lot of imagination to come up with such a(n) ________ plan.

  A.ingenious

  B.vigorous

  C.inherent

  D.exotic

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