_____ three influenza type A virus subtypes(子类型) have been found in pigs.

试卷相关题目

• 1Although she doesn't like to live in the country, _______ , she goes there for a picnic.

  A.once in a while

  B.for a while

  C.at the moment

  D.from now on

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• 27. The questionnaire takes _______ ten to fifteen minutes to complete and can be used along with the assessment interview.

  A.mainly

  B.punctually

  C.approximately

  D.precisely

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• 3He's only 17 and _________ not eligible to vote.

  A.so

  B.then

  C.already

  D./therefore

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• 4Anyone, whether he is an official or a bus driver, should be ________ respected.

  A.especially

  B.equally

  C.naturally

  D.normally

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• 5he boy made the same mistakes ________，which，of course，made his parents very angry.

  A.over and over again

  B.more or less

  C.sooner or later

  D.here and there

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• 6He had promised me to come to the party, and _____.

  A.so did he

  B.so he did

  C.so he would

  D.so would he

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• 7Sometimes parents' control of young kids will be thought to be such an invisible rope with which to tiethem tightly that they ________ tried to cut it.

  A.thoroughly

  B.desperately

  C.visually

  D.extremely

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• 8—How many people attended the exhibit?—I'm not sure. _________ 100 people.

  A.Exactly

  B.Actually

  C.Roughly

  D.Strictly

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• 9She was _______ excited _______ say a word.

  A.too; that she couldn't

  B.too; not to say

  C.so; that she couldn't

  D.so; and she couldn't

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• 10It's always difficult to be in a foreign country, _____ if you don't speak the language.

  A.extremely

  B.naturally

  C.basically

  D.especially

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