The company is making efforts to encourage its workforce to make the switch to __________ meansof transportation, such as carpooling or biking to reduce air pollution.

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• 1She felt________ of doing that and tears ran down her cheeks.     

  A.shame

  B.ashamed

  C.sorry

  D.disappointed

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• 2After a thorough search，the rescue team finally brought the mountain climbers back，________.

  A.safe and sound

  B.safely and sound

  C.safely and soundly

  D.safe and soundly

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• 3If you are still____ of your legal rights, you can have a talk with the lawyer.     

  A.certain

  B.sure

  C.uncertain

  D.unknown

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• 4Although the situation is getting worse and worse, the girl is still ________ about the final success.     

  A.optimistic

  B.opposite

  C.depressed

  D.gloomy

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• 5Black holes can not be seen directly, so determining the number of them is a___________ task.   

  A.rough

  B.strict

  C.tough

  D.firm

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• 6I think it__________that she should be knowledgeable about computers for her present job.

  A.urgent

  B.normal

  C.essential

  D.gifted

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• 7At first driving requires a lot of concentration, but over time, it just becomes __________.

  A.authentic

  B.available

  C.automatic

  D.awake

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• 8There was a________look on his face when he met with the________problem.

  A.confusing; confusing

  B.confused; confused

  C.confusing; confused

  D.confused; confusing

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• 9—Your daughter looks too thin for her height.—Yes.She is too________about food.There is no way of making her fat.

  A.special

  B.particular

  C.unusual

  D.especial

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• 10I still feel __________ about the error in the accounts；I ought to have noticed it,and pointed it out.

  A.shameless

  B.regrettable

  C.skeptical

  D.guilty

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