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5. We may never discover what ______ that night when you left for Beijing.

A. happened  B. chance    C. take place  D. took place

答案:A

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4. --When does the ceremony ______?All the lovely boys and girls in our  school are waiting for it.

--Sorry, I have no idea, but in my opinion, 8 a. m.

A. happen    B. chance    C. take place  D. took place

答案:C

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3. --You should    me of the meeting tomorrow morning . I’m Miss Forgotten.

-- Don’t worry. I will.

   A advise     B. suggest    C. remind    D. permit

答案:C

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2. --People are in great need of this kind of food.

-- Yes. It’s really a problem that how to      the needs of them.

  Agive               B.gain           

 C.satisfy            D. produce

答案:C

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1.His marriage has broken up. Since then, he always    his sorrow   drink.

A. throws… in    B. drowns … in    C. gets rid of … into    D. forgets… into

答案:B

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55. The writer’s attitude towards the discovery is ________.

  A. neutral            B. negative          C. positive          D. indifferent

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54. The reason why Europeans are light-skinned is probably that ________.

  A. they are born light-skinned people

  B. light-skinned Europeans have mutation in the gen for melanosome production

  C. they have fewer activities outside

  D. they pay much attention to protecting their skin

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53. Scientists have done an experiment on a dark-striped zebra fish in order to ________.

  A. find the different genes of humans’

  B. prove the humans’ skin colour is determined by the pigment gene

  C. find out the reason why the Africans’ skin colour is dark

  D. find out the ways of changing peopl’s skin colour

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52. It can be inferred from the passage that ________.

  A. nowadays people who want to change their skin colour have to suffer a lot from the damage caused by the chemical  treatment

  B. Europeans and Africans have the same gene

  C. the new discovery could help to find medical treatments for skin cancer

  D. there are two kinds of genes

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51. The passage mainly tells us that ________.

  A. people can not change their skin colour without any pain

  B. the new discovery could lead to search into ways to change skin colour safely

  C. pop king Michael Jackson often changed his skin colour as he liked

  D. scientists have found out that people’s skin colour is determined by the gene

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