What does the underlinedword “these” in Paragraph 2 refer to、

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• 1The best tile of the story should be _______.

  A.Summer Courses

  B.Family Business

  C.Students Learn from Bargains

  D.Cousins Work with Vegetables

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• 2They bargained with the sellers to _______.

  A.cut down the cost

  B.share their feelings

  C.get bigger vegetables

  D.attract more customers

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• 3The cousins decided to sell vegetables at a market to _______. 

  A.show how able they were

  B.have less hardship of life

  C.learn how hard their parents work

  D.prepare for their future traveling

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• 4In the writer’s opinion, the 12 students’ action was   _______. 

  A.popular

  B.encouraging

  C.strange

  D.embarrassing

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• 5_____ I had warned him，he was late for school，_____ made him not take the important examination. 

  A.What；that

  B.That；which

  C.Which；that

  D.As；which

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• 6Why is space junk considered a problem、

  A.It burns up after it re-enters the atmosphere.

  B.It often stops the view of telescopes on Earth.

  C.It could force new space tools to travel at slower speeds.

  D.It may crash into other space tools causing damage or death.

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• 7Countries want future space tools to be able to fall back into the earth’satmosphere so that _________.

  A.the tools can be reused later

  B.the earth’s atmosphere can stay clean

  C.the tools don’t become space junk

  D.the effects of space flight can be studied

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• 8In which section of the newspaper would you probably read this article、

  A.Environment.

  B.Local News.

  C.Education.

  D.Fashion.

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• 9Why areonline bookstores much better than traditional ones、

  A.Theyoffer the latest books.

  B.Theyoffer more kinds of books to choose from.

  C.Theyoffer the lowest prices.

  D.Theyoffer readers more about their favorite authors.

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• 10What doonline book lovers care most about、

  A.The speedof deliveries.

  B.The author of books.

  C.Theprices of books.

  D.The condition of hooks:

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