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

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• 1Why 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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• 2What does the underlinedword “these” in Paragraph 2 refer to、

  A.Pieces of space junk.

  B.Satellites.

  C.Telescopes.

  D.BBCnews reports.

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• 3The 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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• 4They 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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• 5The 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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• 6In which section of the newspaper would you probably read this article、

  A.Environment.

  B.Local News.

  C.Education.

  D.Fashion.

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• 7Why 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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• 8What 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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• 9What isthe 3rd paragraph mainly about、

  A.How toadvertise on the website to get a good reputation.

  B.How toavoid buying bad-condition books online.

  C.How tounderstand the specialization of an online bookstore.

  D.How tochoose a reliable online bookstor

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• 10What's thebenefit of updating your wish list of books、

  A.You mayget the right kind of books.

  B.You maybuy the book you want as quickly as possible.

  C.You mayknow more reliable booksellers.

  D.You maypay for the book at a low pric

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