Why is rolling better than sliding according to West 、

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• 1What does the underlined word “it”in Paragraph 7 refer to、

  A.Rolling the blocks with poles attached.

  B.Rolling the blocks on wooden wheels.

  C.Rolling poles to move the blocks.

  D.rolling the blocks with fat.

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• 2The underlined part “lubricated the paths” in Paragraph 4 means____.

  A.made the path wet

  B.made the path hard

  C.made the path wide

  D.made the path slippery

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• 3It’s widely believed that the stone blocks were moved to the pyramid site by ______.

  A.rolling them on roads

  B.pushing them over the sand

  C.sliding them on smooth paths

  D.dragging them on some poles

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• 4Why do some birds thrive in noisy environments、

  A.Because there are fewer dangers.

  B.Because there is more food to eat.

  C.Because there is less light pollution

  D.Because there are more places to take shelter.

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• 5What does the underlined word "nocturnal" in Paragraph 5 mean、

  A.Active at night.

  B.Inactive at night.

  C.Active during the day.

  D.Inactive during the day.

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• 6What is the text mainly about 、

  A.An experiment on ways of moving blocks to the pyramid site.

  B.An application of the method of moving blocks to the pyramid site.

  C.An argument about different methods of moving blocks to the pyramid site.

  D.An introduction to a possible new way of moving blocks to the pyramid sit

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