Lawrence Craven,a doctor from the USA,is the author of several published reports,one of     ________introduced the idea in 1953      aspirin could reduce the risk of heart attacks.

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• 1 _________ is known to us a11 is that London will host the 30th Olympic Games next

  A.As

  B.Which

  C.It

  D.What

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• 2_____ maths is concerned, Tom is the best student in our class.

  A.As long as

  B.As well as

  C.As soon as

  D.As far as

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• 3The web is fantastic at many things, e-mail, e-commerce, for example. But _____ your name is Amazon Or Google, making money has proved hard.

  A.if

  B.although

  C.unless

  D.as

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• 4His failure in the exam was expected. ________, it was still very disappointing.

  A.Nevertheless

  B.Furthermore

  C.Besides

  D.Therefore

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• 5----You seem to have known Dr Smith for a long time. ---- That's true. ______ he joined our club six years ago.

  A.Since

  B.Until

  C.When

  D.Before

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• 6_______it comes to traffic rules, I often come across such cases ________the local drivers obviously know them but won't follow them.

  A.If; why

  B.As; which

  C.Once; as

  D.When; where

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• 7______ there was no conclusive evidence, most people thought he was guilty.

  A.When

  B.As far as

  C.As long as

  D.While

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• 8—— Oh, it's raining hard outside. Mum, do you think the milkman will come? —— Of course. He will come on time _____it rains.

  A.in case

  B.even though

  C.as long as

  D.ever since

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• 9Stand over there, _________ you'll be able to see the oil painting better.

  A.and

  B.till

  C.but

  D.or

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• 10Alice's father always brings her a nice gift _________ he returns home from his business trip.

  A.by the time

  B.at the time

  C.every time

  D.in the time

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