Even though the pure water is _______ gives sea water its main properties, the salinity of sea water affects both its weight and freezing point.

试卷相关题目

• 1The key point is not who said the words,______ they are true or not.

  A.but whether

  B.and whether

  C.but how

  D.and how

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• 2________ surprised the hostess most is _________ one of her friends left the party without saying a word.

  A.What, that

  B.What, what

  C.That, that

  D.That, what

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• 3He made a promise _______ he would achieve the success that his parents were looking forward to.

  A.what

  B.when

  C.that

  D.which

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• 4_________ you are a big boy, you must behave better.

  A.Now

  B.Now that

  C.Because of

  D.As long as

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• 5__________ is important to a person is ___________ he must know _________ he is fit for.

  A.What; that ; what

  B.That; how; what

  C.It ; that ; that

  D.It; what ; that

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• 6When travelling in buses or trains,we are likely to have conversations _____ we give information or opinions about different things.      

  A.where

  B.which

  C.what

  D.when

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• 7You may use my PSP _____ you return it before next Tuesday.

  A.as long as

  B.although

  C.in case

  D.unless

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• 8_______ difficulties we may com across, we'll help one another to overcome them.

  A.Wherever

  B.Whatever

  C.However

  D.Whenever

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• 9The other day, my father drove his car at _______ I thought was a dangerous speed.

  A.why

  B.what

  C.how

  D.that

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• 10Mr Green is fond of rock music,___________his wife has no interest in it at all．

  A.however

  B.while

  C.as

  D.unless

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