America's early __ were attracted by the fertile land and varied climates it offered for farming.

试卷相关题目

• 1I am unable to __ what he is saying.

  A.concentrate on

  B.concentrate in

  C.finish with

  D.finish off

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• 2There is one suggestion that the footsteps of crowds walking the streets in major cities could __ energy.

  A.assemble

  B.gather

  C.generate

  D.yield

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• 3By November 1973 oil supplies were critically low, creating the most __shortages of energy since World War II,

  A.rigid

  B.acute

  C.dense

  D.urgent

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• 4I believe in the __ worth of the individual and in his right to hfe, liberty, and the pursuit of happiness.

  A.superior

  B.surplus

  C.supreme

  D.suppress

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• 5Smoking also __ the heart and blood vessels.

  A.inclines

  B.affects

  C.effects

  D.surplus

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• 6The U.S., generally acknowledged to be a step __ Britain on biofuel, has an estimated 600 stations that offer E85 (a fuel made of 85 percent bioethanol).

  A.in excess of

  B.in advance

  C.ahead of

  D.in front of

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• 7Your speech class will make your nervousness work for you __ against you.

  A.other than

  B.rather than

  C.more than

  D.less than

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• 8My husband's arm got hurt __ the iron tower.

  A.while we were climbing up

  B.while he is climbing up

  C.while he climbed up

  D.while we climbed up

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• 9You __ me because I didn't say that.

  A.must have misunderstood

  B.had to misunderstand

  C.must misunderstand

  D.must be misunderstanding

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• 10The word's supplies of petroleum __

  A.are gradually exhausted

  B.are being gradually exhausted

  C.have been gradually being exhausted

  D.have gradually exhausted

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