( ) warnings are often necessary—the danger of drug interactions, it isn’t clear that they actually protect the manufacturers and sellers from liability if a customer is injured.

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• 1Many Chinese time-honored brands, ( ) their reputations over centuries, are facing new challenges

  A.developing

  B.developed

  C.having developed

  D.to develop

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• 2Science relies on hard evidence and will ( ) nothing as true until it is proved by the scientific

  A. accept

  B. scorn

  C. avoid

  D. tackle

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• 3We choose this hotel because the price for a night here is down to $20, half of ( ) it used to ch

  A. that

  B. which

  C. what

  D. how

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• 4According to the latest report released by the World Health Organization, heart disease is the bigge

  A. claiming

  B. calming

  C. clamping

  D. campaigning

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• 5If the weather had been better，we could have had a picnic.But it ( ) all day.

  A.rained

  B.rains

  C.has rained

  D.is raining

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• 6It was dark. We decided to ( ) for the night at a farmhouse.

  A. put away

  B. put down

  C. put up

  D. put on

   

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• 7According to Tronick, kid’s use of screens may ( ).

  A. give their parents some free time

  B. make their parents more creative

  C. help them with their homework

  D. help them become more attentive

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• 8The oppressive ideology mentioned by Tronick requires parents to ( ).

  A. protect kids from exposure to wild fantasies

  B. teach their kids at least 30,000 words a year

  C. ensure constant interaction with their children

  D. remain concerned about kid’s use of screens

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• 9.Radesky’s cites the “still face experiment” to show that ( ).

  A. it is easy for children to get used to blank expressions

  B. verbal expressions are unnecessary for emotional exchange

  C. children are insensitive to changes in their parents’ mood

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• 10 Radesky’s food-testing exercise shows that mothers’ use of devices ( ).

  A. takes away babies’ appetite

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  C. slows down babies’ verbal development

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