What does the word “symbiotic” mean?

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• 1How many Internet users have never shared information online?

  AOne-third of them.

  BFifty-five percent of them.

  CFifty-one percent of them.

  DOne in five of them.

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• 2What were people in the town doing?

  AThey were standing along the road to welcome the soldiers.

  BThey were standing along the road to yell at the soldiers.

  CThey were paving roads to welcome the soldiers.

  DThey were blocking roads to attack the soldiers.

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• 3Africa has the largest number of refugees and internally-displaced people in the world.

  对

  错

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• 4Armed conflicts and civil strives forced people to flee away from their usual place of residence.

  对

  错

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• 5He won the Nobel Peace Prize for having brought about lasting peace to the Middle East.

  对

  错

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• 6An overseas buyer got this painting for 4.46 billion US dollars.

  对

  错

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• 7An overseas buyer got this painting for 4.46 billion US dollars.

  对

  错

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• 8What airlines attract most of the potential customers?

  AState-owned Chinese airlines.

  BAll the Chinese airlines.

  CChinese commercial airlines.

  DInternational airlines.

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• 9What companies are allowed to sell their products to the U.S.?

  ASouth American companies.

  BCuban drug companies.

  CCompanies in Caribbean island countries.

  DCuban farm produce companies.

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• 10The best title of the passage may be______.

  AThree memory hacks to make you smarter

  BHow to use study strategies more effectively

  CThe potential pitfalls of study strategies

  DThe reasons for ineffective learning

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