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

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• 1From the passage we can learn that Donald Sloan ______.

  A.is good at singing and dancing

  B.is about to graduate from a university

  C.has an interest in being a surgeon

  D.specializes in psychology

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• 2According 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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• 3This 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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• 4What 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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• 5The 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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• 6What 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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• 7Why 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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• 8How 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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• 9What 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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• 10When staying with the two girls’ family, the author _______.

  A.was paid for extra work

  B.often worked long hours

  C.got much help from her boss

  D.took a day off every other week

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