To cool itself, a rhinoceros soaks in mud or water because its thick <u>hide</u> has no sweat glands.

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• 1Sedimentary rocks cover much of the Earth's surface, but they are often <u>hidden </u>by a thinveneer of soil.

  A.concealed

  B.eroded

  C.protected

  D.softened

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• 2Compared with large aircraft, small airplanes are not as streamlined and <u>hence</u> are less efficient.

  A.at a glance

  B.to a measurable degree

  C.in most cases

  D.as a result

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• 3Due to the tilt of Neptune's axis, the Sun heats the planet's northern and southern <u>hemispheres</u> unequally.

  A.climates

  B.halves

  C.atmospheres

  D.contours

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• 4If roundworms are removed from the soil and placed in a liquid, they thrash <u>helplessly </u>around.

  A.carelessly

  B.tirelessly

  C.powerlessly

  D.heartlessly

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• 5The members of Aaron Burr's family were noted for their passionate and <u>headstrong </u>temperament.

  A.intellectual

  B.stubborn

  C.witty

  D.steadfast

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• 6Charles Whecler's paintings often <u>highlight</u> the sharp edges and geometrical shapes of machines.

  A.extend

  B.emphasize

  C.distort

  D.soften

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• 7The country says that the investment of US$14 million is big enough for developing that country’ chip industry.

  A.Right

  B.Wrong

  C.Not mentioned

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• 8That country gives top priorities to developing chips for military purposes.

  A.Right

  B.Wrong

  C.Not mentioned

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• 9Although the licensing fees are not very high, that far-east country cannot afford to pay.

  A.Right

  B.Wrong

  C.Not mentioned

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• 10Many western countries ban the exporting of the most advanced chip- making technologies to that country to prevent them from being used for military purposes.

  A.Right

  B.Wrong

  C.Not mentioned

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