Why is it difficult to predict the possible effects of electromagnetic fields on an airplane 'scomputers、

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• 1What is said about the over 100 aircraft incidents in the past 16 years、

  A.They may have been caused by the damage to-the radio systems.

  B.They may have taken place during take-off and landing.

  C.They were proved to have been caused by the passengers portable computers.

  D.They were suspected to have resulted from electromagnetic interferenc

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• 2How does the author develop the passage、

  A.By giving example.

  B.By following the order of time.

  C.By making comparisons.

  D.By his personal experienc

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• 3The gap generation sometimes is negative because_______.

  A.grandchildren can 't fit in with modern lifestyle

  B.grandparents are eager to know more technology

  C.grandchildren are addicted to their digital products

  D.grandparents spared no time with their grandchildren

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• 4What does the underlined word "pamper" mean in the passage、

  A.Spoil.

  B.Raise.

  C.Manage.

  D.Educat

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• 5The author uses Kedar Patwary as an example ______.

  A.to show Indian society is full of perfect harmony

  B.to stress all the children admire their grandparents

  C.to show grandparents get on well with grandchildren

  D.to indicate grandparents are all good babysitters

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• 6Few airlines want to perform a total ban on their passengers using electronic devices because_______

  A.they don't believe there is such a danger as radio interference

  B.the harmful effect of electromagnetic interference is yet to be proved

  C.most passengers refused to take a plane ,which bans the use of radio and cassette players

  D.they have other effective safety measures to fall back on

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• 7The passage is mainly about_________.

  A.a new rule for all airlines

  B.the disadvantages of electronic devices

  C.a possible cause of aircraft incidents

  D.effective safety measures for air flight

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• 8Which can we know about Chinatown according to the passage、

  A.Businesses in Chinatown are going well.

  B.Local people like going shopping there.

  C.A great number of people visit it every year.

  D.No period has seen a more prosperous Chinatown.

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• 9According to the locals we can know that _______.

  A.Chinatown doesn't love to offer them assistance

  B.shops in Chinatown lack their own characteristics

  C.it is hard to buy quality goods at proper prices

  D.they feel annoyed to see so many familiar faces

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• 10What is the author's attitude towards Chinatown、

  A.Negative.

  B.Sympathy.

  C.Hopeful.

  D.Indifferent.

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