Modern athletes’ results cannot be compared with those of the ancient runners because _______.

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• 1The first Olympic Games took place_______.

  A.probably before 700

  B.C.B.over three thousand years agoC.in the seventh century A.D.D.a thousand years ago

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• 2According to the article, a document signed with a pencil _______

  A.will smudge badly

  B.will net last so long as one signed in ink

  C.will not hold up in court

  D.may be legal

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• 3Which of the following types of pencils was not mentioned in the story、

  A.a pencil for surgeons

  B.a pencil for writing on slippery surfaces

  C.a pencil for writing underwater

  D.a pencil with paper in it

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• 4What is meant by the following quotation_______"Whether it's a pin or a battleship, it is first rendered with a pencil."

  A.A pencil is difficult to work with.

  B.The design of the pencil is rendered important.

  C.The first designs of pin and battleship are not important.

  D.The pencil is used by everyone for many purposes.

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• 5The author says that the "lead" in a pencil_______

  A.is graphite

  B.is really a chemical

  C.comes from Greece

  D.is hard to find

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• 6The continuity of the Olympic Games_______.

  A.has never been broken

  B.was broken in the year A.D. 1200

  C.was interrupted for over 1,500 years

  D.was broken in 1896

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• 7At he beginning of the Games in the host country _______

  A.a torch is ignited at sunrise

  B.a lighted torch is brought into the stadium

  C.relays of runners light their torches in the stadium

  D.a torch is ignited by the Greek ambassador

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• 8In a toaster, _______ energy becomes heather gy.

  A.electrical

  B.mechanical

  C.heat

  D.radiant

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• 9Nuclear energy is a special sort of_____

  A.uranium

  B.chemical energy

  C.radiant energy

  D.electricity generated in atomic plants

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• 10We use the terms combustion and oxidation when we talk about _______.

  A.the energy of a moving object

  B.connecting a generator to a steam turbine

  C.nuclear fission

  D.fuels which give off heat when they burn

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