What is the major concern in the development of alternative energy according to the last two paragraphs 、

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• 1What was the problem caused by the construction of the railways 、

  A.Small towns along the railways became abandoned .

  B.Some railroad stops remained underused.

  C.Land in the West was hard to manage.

  D.C.Land in the West was hard to manag

  E.D.Land grants went into private hands.

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• 2It can be inferred from the last paragraph that the author _____

  A.is quite stubborn

  B.will give up teaching history

  C.will change his teaching plan soon

  D.values technology-free dialogues in his class

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• 3According to the author ,the use of technology in the classroom may _____.

  A.keep students from doing independent thinking

  B.encourage students to have in-depth conversations

  C.help students to better understand complex themes

  D.affect students’ concentration on course evaluation

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• 4The underlined word “engage ”in Par

  A.4 probably means _____.A.explore

  B.accept

  C.change

  D.reject

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• 5Some of the students in the history class were unhappy with_____

  A.the course material

  B.others’ misuse of technology

  C.discussion topics

  D.the author’s class regulations

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• 6What is the author’s attitude towards building solar plants、

  A.Cautious

  B.Approving

  C.Doubtful

  D.Disapproving

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• 7Which is the best title for the passage、

  A.How the Railways Have Affected the West

  B.How Solar Energy Could Reshape the West

  C.How the Effects of Power Plants Can Be Reduced

  D.How the Problems of the Highways Have Been Settled

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