Recycling wastes slows down the rate ________ which we use up the Earth’s finite resources.

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• 1Just as a book is often judged ________ by the quality and appearance of its cover, a person is judged immediately by his appearance.

  A.previously

  B.uniquely

  C.outwardly

  D.initially

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• 2The synthetic vitamins are identical ________ those naturally present in our food.

  A.for

  B.of

  C.as

  D.with

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• 3It is unfortunate that, owing to lack of money, these experiments must now be ________ before the objective has been achieved.

  A.transferred

  B.testified

  C.terminated

  D.transformed

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• 4The heavily populated area was a breeding place for ________ diseases.

  A.infectious

  B.powerful

  C.influential

  D.suspicious

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• 5Output is now six times ________ it was before 1990.

  A.that

  B.what

  C.for which

  D.of that

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• 6Gasoline is ________ by the spark plugs in the engine.

  A.ignited

  B.inspired

  C.excited

  D.illuminated

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• 7He ________ another career but, at the time, he didn’t have enough money to attend graduate school.

  A.might have chosen

  B.might choose

  C.had to choose

  D.must have chosen

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• 8Many visitors praised the magnificent architecture of the Palace, ________.

  A.known to foreigners for the Forbidden City

  B.known for foreigners to be the Forbidden City

  C.known to foreigners as the Forbidden City

  D.know for foreigners as the Forbidden City

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• 9The travelers ________ their journey after a short break.

  A.recovered

  B.resumed

  C.renewed

  D.restored

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