The underlined expression cutting edge in Paragraph 3 is closest in meaning to ______.

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• 1Why was Jennifer watched in an online exam、

  A.To correct her typing mistakes.

  B.To find her secrets in the room.

  C.To prevent her form slowing down.

  D.To keep her from dishonest behaviors.

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• 2Buying gifts from Presents for Purpose allows mothers to________.

  A.enjoy good sleep

  B.give others help

  C.get extra support

  D.be well-organized

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• 3Where can you find a gift idea to improve your mother’s sleep、

  A.In Gift No. 1.

  B.In Gift No. 2.

  C.In Gift No. 3.

  D.In Gift No. 4.

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• 4What are you advised to do for your mother at doctor's visits、

  A.Be with her.

  B.Buy medicine.

  C.Take notes.

  D.Give her gifts.

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• 5The text is mainly about            .

  A.why droughts occur more in dry climates

  B.how much we depend on water to live

  C.Why paving roads reduces our water

  D.how human activity affects our water supply

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• 6For internet universities, exams and diplomas will be valid if _____.

  A.they can attract potential students

  B.they can defeat academic (学术的) cheating

  C.they offer students online help

  D.they offer many online courses

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• 7Some programs can find out possible cheaters by _____.

  A.checking the question answering speed

  B.producing a large number of questions

  C.scanning the Internet test questions

  D.giving difficult test questions

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• 8Which of the following is the best title of this passage、

  A.The Advantages of Online Exams

  B.The High-tech Methods in Online Courses

  C.The Fight against Cheating in Online Education

  D.The War against the Booming of Online Education

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