Now a paper argues that organic chemicals in the rock come mostly from ____ on earth rather than bacteria on Mars.

试卷相关题目

• 1In the last century, new drugs have ____ improved health throughout the world.

  A.inconsistently

  B.supposedly 

  C.notedly

  D.markedly 

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• 2She ____the letter, put it in the envelope and handed it to her father.

  A.folded

  B.wrapped 

  C.rolled

  D.slided

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• 3The accused was ____to have been the leader of the plot to overthrow the government

  A.reconciled

  B.blended 

  C.alleged

  D.referred

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• 4Nurses should do all they can to make their patients feel ____.

  A.on board

  B.at ease 

  C.at leisure

  D.at heart

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• 5Based on the____ that every business is now free to formulate its own strategy in light of the changing market, I would predict a market improvement in the efficiency of China's economy.

  A.guidance

  B.instruction 

  C.premise

  D.eminence

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• 6When he went to the airport for the ticket, Tom suddenly realized that his passport had ____ for half a year.

  A.abolished

  B.expired 

  C.amended

  D.constrained

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• 7Since the information was easily____, we found it immediately.

  A.acceptable

  B.accessory 

  C.accessible

  D.possible

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• 8There is no known cure for SARS, but doctors are developing ways to help sufferers ____ it.

  A.retard

  B.eliminate 

  C.dispense

  D.handle

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• 9She was____ her brains to remember the man's time, but her bad memory failed her.

  A.hitting

  B.beating 

  C.racking

  D.exhausting 

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• 10Many apartments have doors with a security window so that one may____ outside and observe visitors without being seen.

  A.peer

  B.peek 

  C.peel

  D.pile

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