Human behavior is mostly a product of learning, ______the  behavior of animal depends mainly on instinct.

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• 1The sick _______and the lost _____.

  A.have cured; have found

  B.has cured; has found

  C.have been cured; have been found

  D.has been cured; has been found

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• 2No visitor or relative can enter the patient’s room unless _____ by the doctor.

  A.they are invited

  B.he is invited

  C.invited

  D.been invited

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• 3Why are you still smoking、 You _______.

  A.should have given up it

  B.should have given it up

  C.ought to have given up it

  D.should given it up

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• 4______ would have known the answer.

  A.Clever anyone

  B.Anyone clever

  C.Anyone is clever

  D.Clever is anyone

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• 5He is a man __ no one has a better right to speak.

  A.whom

  B.to whom

  C.than who

  D.than whom

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• 6Mumps ____ a very common disease which usually affects children.

  A.was

  B.is

  C.are

  D.were

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• 7The _____largest state is, and has been since Alaska’s admission into the Union, Califori

  A.A.three

  B.third

  C.first third

  D.most

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• 8________ the surface of metal, but also weakens it.

  A.Not only does rust corrode

  B.Not only rust corrode

  C.Rust, which not only corrodes

  D.Rust not only corrodes

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• 9It’s nice to go for a walk __ a summer evening.

  A.on

  B.in

  C.at

  D.during

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• 10"Are these two issues settled、""No, they still were _____ conflict."

  A.during

  B.on

  C.with

  D.in

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