In business, competition ________ the market by making companies develop new ideas to survive．

试卷相关题目

• 1Twenty years ________ passed since we parted．

  A.was

  B.have

  C.had

  D.is

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• 2The paper for books and new papers ________ made of wood．

  A.are

  B.is

  C.has

  D.have

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• 3What we need ________ good textbooks．

  A.is

  B.are

  C.have

  D.has

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• 4Most of the lecture ________ about how the ancient city was discovered; and all of us present ________ interested in it．

  A.is; are

  B.was; were

  C.being; were

  D.were; was

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• 5Jack is the only one of the few students who ________ English well．

  A.speaks

  B.speak

  C.say

  D.tell

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• 6After all, learning about cultural differences ________ a good way to understand more about each other．

  A.are

  B.is

  C.was

  D.seem

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• 7How teachers perform in their classes ________ a strong influence on the growth of the peoples．

  A.has

  B.have

  C.having

  D.to have

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• 8The sports meeting we have been looking forward to ________ finally．

  A.come

  B.has come

  C.coming

  D.have come

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• 9Not only I but also Tom and Mary ________ fond of watching television．

  A.is

  B.are

  C.am

  D./

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• 10There are many valuable services which the public are willing to pay for, but which ________ a return in money to the community．

  A.doesn't bring

  B.haven't brought

  C.don't bring

  D.hasn't brought

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