What does the word “symbiotic” mean?

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• 1What does the word “symbiotic” mean?

  ANutrient-rich.

  BNutrient-poor.

  CDependent.

  DInterdependent.

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• 2What is the unemployment rate in Iran?

  A1 in two.

  B25%.

  C60%.

  D40%.

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• 3 Which obstacle is NOT mentioned?

  AInsecurity.

  BTerrorism.

  CDisease.

  DEnvironmental deterioration.

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• 4What does the speaker want us to know?

  AThe company directly manages the retailers.

  BThe company is trying to directly manage the retailers so that there will be no middlemen.

  CThe company is now establishing the channels of distribution.

  DThe company is now to get rid of the middleman.

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• 5Christine Lagarde also believes that China has helped to transform the global economy through transf

  对

  错

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• 6Christine Lagarde also believes that China has helped to transform the global economy through transf

  对

  错

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• 7Christine Lagarde also believes that China has helped to transform the global economy through transf

  对

  错

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• 8Many Americans spend part of the year working with no payment.

  对

  错

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• 9It is not easy to stop the falsification of the blood test result because people always deeply belie

  对

  错

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• 10What can we learn from the third paragraph?

  AThe problem of extracting methane hydrates is retrieving methane gas and bringing it to the surface.

  BIt is very easy to find methane hydrates.

  COnly Japan wants to extract methane hydrates.

  DMethane hydrates are a major source of fuel in Japan.

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