Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years ________ it has warmed in the 20,000 years since Ice Age.

试卷相关题目

• 1 ________I have to give a speech，I get extremely nervous before I start.

  A.Whatever

  B.Whenever

  C.Whoever

  D.However

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• 2Here we have beef, fish and fruit. Help yourself to ______ you like.

  A.whichever

  B.however

  C.whatever

  D.whenever

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• 3 An artist who was recently traveling on a ferry to the southern island discovered________a long lost antique Greek vase.

  A.at random

  B.by chance

  C.in turn

  D.on occasion

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• 4The course normally attracts 20 students per year, _______ up to half will be from overseas.

  A.in which

  B.of whom

  C.of which

  D.for whom

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• 5 A lot of lovers chose to get married on Dec. 12, 2012, ________ the date, the month and the year match.

  A.that　　　　　　　　

  B.on which

  C.in which

  D.which

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• 6I won't change my belief _________ success comes to those who act．

  A.that

  B.which

  C.where．

  D.how

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• 7 Many people tried to leave the country, ________ there was much violence and a serious shortage of food supply.

  A.where

  B.which

  C.that

  D.what

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• 8People who are really in need of houses will suffer heavy losses ________ the government takes measures to bring down house prices.

  A.if

  B.in case

  C.unless

  D.since

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• 9I like the book so much that I'll buy it, _______.

  A.no matter how it may cost

  B.how may it cost

  C.how much may it cost

  D.however much it may cost

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• 10—Did your father come back early last night? —Yes. It was not yet eight o'clock _______ he arrived home.

  A.before

  B.when

  C.that

  D.until

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