The author mentions the Baldwin Locomotive Works because it was______.

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• Why does the author mention CBS news on the French television？

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• The author mentions the Balkans in the passage in order to explain why ______.

  A．Indo-European languages were slow to spread in Old Europe B．the inhabitants of Old Europe were not able to prevent Indo-European incursions C．the use of the Old European script. declined D．the Old European culture survived for a time after the Indo-European incursions

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• Why does the author mention "the Louisiana Purchase"？

  A．To demonstrate how the westward expansion of the United States came about. B．To illustrate Washington's contribution to the evolution of the United States. C．To explain why Jefferson was chosen to be one of the presidents on Mount Rushmore. D．To show why Jefferson's inclusion on Mount Rushmore was a contentious issu

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• Why does the author mention "Indian mustard"？

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• The author mentions the eruption of Mount St. Helens （lines 25 -26) primarily in order to

  The author mentions the eruption of Mount St. Helens (lines 25 -26) primarily in order to emphasize which of the following points？ A．The deep and enduring effect that volcanic eruptions have on the environment B．The process by which classic volcanic eruptions tend to occur C．The relative dearth of cases with scientists can judge the effects of volcain eruptions D．A sample case with which later volcanic explosions are compared E．The global cooling effects of one of the best-studied volcanic eruptions

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• In Paragraph 2, the author mentioned Defoe, Jane Austen and Hardy to show______ .

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• Which of the following does the author mention as a cause of changes in the role of the child in the United States？

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• In the last paragraph, when the author mentions "the King," he must refer to______.

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• The author mentions Hardy's novel "Under the Greenwood Tree" to justify his comments on

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• Why does the author mention Native American and Aborigine groups in paragraph 3？

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• Why does the author mention mosquitoes and fleas in paragraph 5？

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• The author's description of Cro-Magnon paintings mentions which of the following？

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• The author's attitude towards the report mentioned in the passage is______.

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• The author's mention of broomsticks and telephones is meant to suggest that ______.

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• By mentioning the definition of waste, the author intends to_____.

  A．clear the misunderstanding of its meaning and its coverage B．state that people tends to "like the new and hate the old" C．manifest the fact people don"t record things about rubbish by sarcasm D．prove that ignorance can lead to terror and inaction

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• Which of the following is not mentioned by the author as one of many causes of stress in the passage？

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