The skin, an ____ part of your body and its largest organ, _______ as a barrier against diseases.

试卷相关题目

• 1English is compulsory for all students, but art and music are________.

  A.available

  B.specific

  C.fundamental

  D.optional

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• 2Tom was hit on the head by the robber and was knocked _____.   

  A.uncomfortable

  B.unconditional

  C.unaware

  D.unconscious

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• 3I can think of a ________ word that could best describe this situation.   

  A.some

  B.certain

  C.sure

  D.possible

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• 4Einstein's Theory of Relativity is so________that most of us can not understand it.

  A.controversial

  B.abstract

  C.appropriate

  D.universal

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• 5How's your brother? We are____ his health.     

  A.anxious about

  B.thinking of

  C.eager for

  D.worried for

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• 6When he came into the dinning hall, nobody said hello to him. So he felt _______.   

  A.calm

  B.ignored

  C.lonely

  D.sorry

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• 7Although he had _____ work to do, he came to help us.

  A.a plenty of

  B.a great deal

  C.many

  D.lots of

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