The researchers determine what type of plants the virus can infect(感染) and____insects can carry the virus.

试卷相关题目

• 1Nearly a month had gone by ________ she showed some sign of giving in to her father.

  A.until

  B.before

  C.since

  D.after

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• 2They decided to chase the cow away _____ it did more damage.

  A.unless

  B.until

  C.before

  D.although

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• 3It's unfair! You sit there, listening to me, _____ I stand here, teaching you.

  A.as

  B.when

  C.while

  D.since

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• 4It is during the Second World War ____he died.    

  A.when

  B.after

  C.before

  D.That

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• 5He often thinks of ______ he can do more for his country, so he is highly spoken of by the people throughout the country.

  A.what

  B.that

  C.how

  D.Whatever

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• 6QQ,______you can chat with your friends, makes communication easy.

  A.why

  B.which

  C.that

  D.Where

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• 7The earliest coins were made in Lydia，a little county in_______s now called turkey．

  A.where

  B.what

  C.that

  D.Which

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• 8_____ you have a healthy diet, you can reduce its benefits by bad eating habits．

  A.Just as

  B.In case

  C.Even if

  D.Now that

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• 9--- Would you like to join us? --- Sorry, I'm not _______ as any one of you.

  A.a so good player

  B.a such good player

  C.so good a player

  D.such good a player

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• 10Nowadays, children always complain that their parents are out of date, ______ parents can't approve of what their children say and do.

  A.while

  B.thus

  C.therefore

  D.Otherwise

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