They form a polar molecule, that is, ________ with a slightly positive end and a slightly negative end.

试卷相关题目

• 1Some warned that the step the US government has taken to cope with the current crisis is ____ much risk.

  A.one of

  B.the one of

  C.the one

  D.that one

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• 2It was late afternoon and ____ of the restaurants nearby were shut. I didn't know where I could have a meal.

  A.much

  B.most

  C.few

  D.all

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• 3It's ashamed of him to have got so much help from others but give         to the society inreturn.

  A.no one

  B.none

  C.much

  D.a little

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• 4Many people complained about the stones scattering on a roadway, but _____ did anything about getting the stone out of the way.

  A.neither

  B.both

  C.none

  D.all

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• 5— Can you come on Monday or Tuesday?— I'm afraid _____ day is possible.

  A.either

  B.neither

  C.some

  D.any

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• 6Why don't we take a little break? Didn't we just have _____? 　

  A.it

  B.that

  C.one

  D.this

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• 7We haven't enough books for _____; some of you will have to share .

  A.somebody

  B.anybody

  C.everybody

  D.nobody

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• 8— One's week's time has been wasted. — I can't believe we did all that work for _______.

  A.something

  B.none

  C.nothing

  D.anything

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• 9— Who's knocking at the door?— Maybe _____ wanting to sell some new products.

  A.everyboby

  B.anybody

  C.somebody

  D.noboby

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• 10Both of the sofas they ordered online arrived, but _____ fit through the doorway.

  A.none

  B.nor

  C.neither

  D.either

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