When ____ comes to research into heart disease and the effects on the body, we do not have adequate substitutes for the use of animals.

试卷相关题目

• 1Meeting my uncle after all these year was an unforgettable moment ,_______I will always remember.

  A.that

  B.one

  C.it

  D.what

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• 2—What do you think of the 2013 Spring Festival Party? —Well, great! But I don"t think much of ________ held last year.

  A.the one

  B.it

  C.one

  D.which

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• 3Normally, a forest fire and the damage ______ causes can be very severe, especially when you consider the financial and physical losses.

  A.which

  B.it

  C.this

  D.that

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• 4Listening to music can be very enjoyable, but ________ can be appreciated unless you like it.

  A.nothing

  B.something

  C.everything

  D.anything

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• 5Many people like to talk about generation gaps. I don"t think there is  ________       in my family though.

  A.it

  B.some

  C.none

  D.one

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• 6Things have changed quickly over the past decade and life in the country is much better than _____ used to be.

  A.that

  B.it

  C.what

  D.one

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• 7—Have you found the MP3 player you lost?—No, I haven"t found ________, but I have bought ________.

  A.it; one

  B.one; it

  C.it; it

  D.one; one

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• 8The manager was very angry，for he had sent his business partner two thousand machines yesterday，half of ________ unqualified.

  A.them

  B.what

  C.which

  D.whom

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• 9— It"s a lovely day, isn"t it?— Yes. I love________when the weather is like this.Why don"t we sit outside and have our lunch?

  A.this

  B.that

  C.it

  D.one

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• 10He has learned________,no matter what happens and how bad________seems today,life goes on and it will be better tomorrow.

  A.that; it

  B.it; that

  C.it; it

  D.that; that

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