The process of producing electricity may also give out CO2, _____ you heat your house with electricity instead of charcoal.

试卷相关题目

• 1— Are you ready for Spain? — Yes, I want the girls to experience that ____ they are young.

  A.while

  B.until

  C.if

  D.before

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• 2_____ the term is finished, I'm going to rest a few days and then take a trip.

  A.Now that

  B.Even if

  C.As if

  D.So that

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• 3Ballet is amazing; _____ you go, you are likely to find yourself going again and again.

  A.as

  B.once

  C.unless

  D.while

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• 4It looks _____ they are going to charge us 3,000 dollars for the concert hall.

  A.unless

  B.as if

  C.even though

  D.so that

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• 5Some economists predict that the dollar will remain weak _____ economies abroad are expected to grow faster than that of the United States.

  A.while

  B.as

  C.before

  D.until

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• 6The police officers in our city work hard _____ the rest of us can live a safe life.

  A.in case

  B.as if

  C.in order that

  D.only if

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• 7Too high house prices can be brought under control, _____ the authorities introduce a series of regulatory policies.

  A.even if

  B.as if

  C.so that

  D.provided that

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