It is rather ________ that we still do not know how many species there are in the world today.

试卷相关题目

• 1We grow all our own fruit and vegetables, ________ saves money, of course.

  A.which

  B.as

  C.that

  D.what

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• 2Although not an economist himself, Dr. Smith has long been a severe critic of the government’s ________ policies.

  A.economical

  B.economy

  C.economic

  D.economics

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• 3When Jack was eighteen he ________ going around with a strange set of people and staying out very late.

  A.took to

  B.took for

  C.took up

  D.took on

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• 4We often advise him not to drink more wine ________ is good for his health.

  A.as

  B.than

  C.that

  D.but

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• 5Before he started work, I asked the builder to give me an ________ of the cost of repairing the roof.

  A.assessment

  B.estimate

  C.announcement

  D.evaluation

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• 6________ is the center of our planetary system was a difficult concept to grasp in the Middle Ages.

  A.It is the sun and not the earth

  B.Being the sun and not the earth

  C.The sun and not the earth

  D.That the sun and not the earth

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• 7A friendship may be ________, casual, situational or deep and lasting.

  A.identical

  B.original

  C.superficial

  D.critical

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• 8Just as the builder is skilled in the handling of his bricks, ________ the experienced writer is skilled in the handling of his words.

  A.as

  B.thus

  C.so

  D.like

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• 9A good teacher must know how to ________ his ideas.

  A.convey

  B.display

  C.consult

  D.confront

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• 10I’d rather you ________ those important documents with you.

  A.don’t take

  B.didn’t take

  C.won’t take

  D.not take

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