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

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• 1Some media investigation believes that more evidence is needed to credit that companies do falsify a

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• 2 Testers don’t want to do the blood test because they are ignorant of the process

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• 3What will be the Industry 4.0 market value in the year 2020?

  AUS$160 billion.

  BUS$181 billion.

  CUS$8 billion.

  DUS$320 billion.

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• 4What is Boeing’s prediction of China’s aviation market in the coming 20 years?

  AChina will see a $1 trillion increase of international air travel.

  BChina’s middle-class will double， so too will its air travel market.

  CChina will need a total number of 7，000 aircraft.

  DChina’s demand for new aircraft will take up 30 percent of the world’s total.

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• 5How does the mangrove tree filter salt?

  AIts filtration system can dissolve salt into water.

  BIts roots take up as much salt as possible.

  CIts leaves can excrete excess salt.

  DAll of the above.

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• 6What does layabouts mean in the following sentence “That sounds like a good thing， certainly compare

  ASomebody regarded as proud.

  BSomebody regarded as lazy.

  CSomebody regarded as sensitive.

  DSomebody regarded as diligent.

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• 7How was tourism affected after the volcano erupted?

  ATourists increased.

  BTourists decreased.

  CTourists were not informed of the eruption.

  DTourists did not care about the eruption.

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• 8Which of the following is true according to the speaker?

  AAltogether， 53 cities have more than a million cars.

  BThe total number of cars in Beijing has exceeded 6 million.

  CBeijing ranks first in car ownership.

  DBy early 2017， there were more than 2 million cars in 24 cities across the country.

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• 9Some media investigation believes that more evidence is needed to credit that companies do falsify a

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  错

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• 10The wife loved Southeast Asian drawings and decided to visit Cambodia.

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