This passage is mainly about

试卷相关题目

• 1Vaccines can make you sick.

  A.TRUE

  B.FALSE.

  C.NOT MENTIONED

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• 2After they kill germs, antibodies stay in the body.

  A.TRUE

  B.FALSE.

  C.NOT MENTIONED

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• 3The heart contains the body's strongest muscle.

  A.TRUE

  B.FALSE.

  C.NOT MENTIONED

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• 4Germs can enter the body through the eyes.

  A.TRUE

  B.FALSE.

  C.NOT MENTIONED

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• 5Washing your skin can prevent some illnesses.

  A.TRUE

  B.FALSE.

  C.NOT MENTIONED

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• 6Genetic enginerring may be defined as

  A.the altering of normal cell reproduction

  B.a branch of applied chemistry.

  C.a procedure that holds little promise.

  D.a study on life-saving enzymes.

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• 7According to the passage, human interferon

  A.is a hormone that causes disease.

  B.could be used to treat cancer.

  C.is a viral disease

  D.has been cured

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• 8In this passage, the three genetically engineered medical products are presented

  A.as a process.

  B.in a simple list.

  C.from earliest to latest.

  D.as a story.

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• 9In the last paragraph, the word "weighed" has the cloest meaning with

  A.had great influence

  B.became a burden.

  C.considered carefully.

  D.measured accurately.

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• 10who lived in Puerto Rico first

  A.the Africans

  B.the Spanish

  C.the Americans

  D.the Taino people

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