What can be inferred about the solar activity described in the passage、

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• 1The phrase "communications blackout" in paragraph 1 most probably refers to _____during the 2012 Olympics.

  A.the extinguishing of the Olympic torch

  B.the collapse of broadcasting systems

  C.the transportation breakdown in London

  D.the destruction of weather satellites

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• 2Who might be most interested in this piece of information、

  A.Job hunters.

  B.Employees in blue-chip companies.

  C.Mid-level managers.

  D.Researchers on employee turnover.

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• 3As is mentioned in the card, the limitation of the research paper mainly lies in that_____.

  A.the data analysis is hardly reliable

  B.the research sample is not wide enough

  C.the findings are of no practical value

  D.the research method is out-of-date

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• 4The passage starts with an elephant story in order to explain that in India _________.

  A.people easily fall victim to elephants' attacks

  B.the man-elephant relationship is getting worse

  C.elephant tamers are in short supply

  D.dogs are as powerful as elephants

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• 5Indian elephants are getting increasingly angry and they revenge because __________.

  A.they are caught and sent for heavy work

  B.illegal hunters capture them and kill them

  C.they are attacked and their land gets limited

  D.dogs often bark at them and chase them

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• 6According to the passage, NASA will launch a satellite to _____.

  A.take images of the solar system

  B.provide early warning of thunderstorms

  C.keep track of solar activities

  D.improve the communications on Earth

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• 7Which of the following might be the best title of the passage、

  A.Solar Storms: An Invisible Killer

  B.Solar Storms: Earth Environment in Danger

  C.Solar Storms: Threatening the Human Race

  D.Solar Storms: Human Activities to Be Troubled

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