At the service location, the power is stepped down again from the service voltage to distribution voltage.（    ）

试卷相关题目

• 1In the substation the power is stepped down from a transmission leve voltage to a distribution level voltage.（    ）

  A.Right

  B.Wrong

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• 2The transmission network can move the power over long distances to its     w holesale  customer.（    ）

  A.Right

  B.Wrong

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• 3Usually the generating plants are very large and located near heavily populated  areas.（    ）

  A.Right

  B.Wrong

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• 4In developed countries, the traditional paradigm for moving electricity     a round is very simple.（    ）

  A.Right

  B.Wrong

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• 5The exhaust steam temperature does not rely on the temperature of the     cooling water which enters the condenser.（    ）

  A.Right

  B.Wrong

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• 6According to the author, knowing the cause of the misery will help（    ）

  A.shorten the duration of the illness

  B.the patient buy medicine over the counter

  C.the patient obtain cheaper prescription drugs

  D.prevent people from catching colds and the flu

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• 7We learn from the passage that（    ）

  A.one doesn't need to take any medicine if he has a cold or the flu

  B.aspirin should not be included in over-the-counter medicines for the flu

  C.delayed treatment of the flu will harm the liver and central nervous system

  D.over-the-counter drugs can be taken to ease the misery caused by a cold orthe fu

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• 8According  to  the  passage,  to  combat  the  flu  effectively,（    ）

  A.one should identify the virus which causes it

  B.one should consult a doctor as soon as possible

  C.one should take medicine upon catching the disease

  D.one should remain alert when the disease is spreading

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• 9Which of the following symptoms will distinguish the flu from a cold、（    ）

  A.A stuffy nose

  B.A high temperature

  C.A sore throat

  D.A dry cough

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• 10If     children   have   fu-like   symptoms,   their   parents（    ）

  A.are advised not to give them aspirin

  B.should watch out for signs of Reye syndrome

  C.are encouraged to take them to hospital for vaccination

  D.should prevent them from mixing with people running a fever

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