From the passage we can learn that Donald Sloan ______.

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• 1According to the “Experience” section, we can infer that Donald Sloan can be _____ .

  A.a wise leader

  B.a skillful performer

  C.a gifted scientist

  D.a good social worker

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• 2This passage is most probably ______.

  A.an advertisement for enrolling new employees

  B.a school report at the end of an academic year

  C.a self-introduction meant to apply for a job

  D.a part of a recommendation letter from a university

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• 3What can we infer from the sixth paragraph、

  A.His wife Barbara needed to be taken care of badly then.

  B.Mr. Harrison was not glad to help develop a new vaccine.

  C.Some of the tests to develop the vaccine are dangerous.

  D.His blood type was accidentally discovered after tests.

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• 4The sentence “The disease creates an incompatibility between the mother's blood and her unborn baby's blood” (underlined in Paragraph 5) suggests that _____.

  A.the mother and the baby have different types of blood

  B.babies suffer permanent brain damage before born

  C.Rhesus disease contributes to permanent brain damage

  D.all the patients have a rare antibody in their blood

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• 5Why did James decide to donate his blood、 Because _____.

  A.his daughter asked him to help her son

  B.he has a golden arm worth a million dollars

  C.a vaccine called Anti-D is to be developed

  D.someone else’s blood saved his life

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• 6Some scientists believe that most of the time bird’s singing is actually________.

  A.a way of warning

  B.an expression of happiness

  C.an expression of anger

  D.a way of greeting

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• 7What is a bird’s ‘territory’、

  A.A place where families of other species are not accepted.

  B.A place where a bird may shout at the top of its voice.

  C.An area for which birds fight against each other.

  D.B.A place where a bird may shout at the top of its voic

  E.C.An area for which birds fight against each other.D.An area which a bird considers to be its own.

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• 8Why do birds keep on singing at nesting season、

  A.Because they want to invite more friends.

  B.Because their singing helps frighten outsiders away.

  C.Because they want to find outsiders aroun

  D.D.Because their singing helps get rid of their fears.

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• 9How does the writer explain bird’s singing、

  A.By comparing birds with human beings.

  B.By reporting experiment results.

  C.By describing birds’ daily life.

  D.By telling a bird’s story.

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• 10What is the author’s present job、

  A.Working part-time in a college.

  B.Taking care of children in a family.

  C.Helping children with their schoolwork.

  D.Looking after children at a kindergarten.

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