Passage ThreeQuestions 17 to 20 are based on the passage you have just heard.

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• 1Passage TwoQuestions 14 to 16 are based on the passage you have just heard.

  A.It limited their supply of food.

  B.It made their eggshells too fragile.

  C.It destroyed many of their nests.

  D.B.It made their eggshells too fragil

  E.C.It destroyed many of their nests.D.It killed many baby bald eagles.

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• 2Section BDirections: In this section, you will hear 3 short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D). Then mark the corresponding letter on the Answer Sheet with a single line through the center.Passage oneQuestion 11 to 13 are based on the passage you have just heard.

  A.One of the bridges between North and South London collapsed.

  B.The heart of London was flooded.

  C.An emergency exercise was conducte

  D.D.100 people in the suburbs were drowned.

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• 3By saying “…owners of well over half of all World Wide Web sites have set up home without fitting locks to their doors” (Line 3-4, Par

  A.2), the author means that ______.A.those happy times appear still to be with us

  B.there simply wasn’t any crime to worry about

  C.many sites are not well-protected

  D.hackers try out tricks on an Internet site without actually breaking in

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• 4SATAN, a program designed by Dan Farmer, can be used ______.

  A.to investigate the security of Internet sites

  B.to improve the security of the Internet system

  C.to prevent hackers from breaking into websites

  D.to download useful programs and information

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• 5Farmer’s program has been criticized by the public because ______.

  A.it causes damage to Net browsers

  B.it can break into Internet sites

  C.it can be used to cause disorder on all sites

  D.it can be used by people with evil intent

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• 6The author’s attitude toward SATAN is ______.

  A.enthusiastic

  B.critical

  C.positive

  D.indifferent

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• 7The author suggests in the last paragraph that ______.

  A.we should make full use of the Internet before security measures are strengthened

  B.we should alert the most influential businessmen to the importance of security

  C.influential businessmen should give priority to the improvement of Net security

  D.net inhabitants should not let security measures affect their joy of surfing the Internet

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