A self-contained literature review not only presents new information, but also summarizes multiple previous studies.

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• A self-contained breathing apparatus is used to（）.

  A . make underwater repairs to barges B . determine if the air in a tank is safe for men C . enter areas that may contain dangerous fumes or lack oxygen D . resuacitate an unconscious perso

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• The bypass valve on a self-contained breathing device should be opened if（）.

  A . you are entering a space containing poisonous vapors B . you are entering a space containing explosive gases C . the regulator of the breathing apparatus malfunctions D . the face piece of the breathing device is too tight

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• After putting on a self-contained breathing apparatus，you open the air supply and hear a continuous ringing of a bell. What does this mean? （）

  A . The unit is working properly B . The face mask is not sealed properly C . The air bottle needs to be refilled D . The air supply hose has a leak

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• The rated operating time of a self-contained breathing device may be reduced in actual use because of（）.

  A . pressure differences in the atmosphere B . the length of the hose attached to the facepiece C . the physical exertion of the person wearing the device D . spaces containing poisonous vapor

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• A ship must have a self-contained breathing apparatus to be used as protection from gas leaking from a refrigeration unit. To meet this requirement，you may use（）.

  A . a gas mask certified by the Mine Safety and Health Administration B . the same self-contained breathing apparatus required with the fireman's outfit C . an oxygen breathing apparatus，provided that the device has been inspected within three years D . a portable ventilation system that will provide a complete change of air every three minute

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• Why should you wear a self-contained breathing apparatus before entering the engine room after the fixed CO2 system has been discharged to combat a major fire?（）

  A . Because carbon dioxide dilutes the oxygen concentration in the atmosphere and may cause asphyxiation B . Because carbon dioxide breaks down in a fire into carbon monoxide which may cause blood poisoning in the person breathing this gas C . Because carbon dioxide is a colorless and odorless gas that becomes highly toxic in the presence of high temperatures and will quickly incapacitate a person exposed to this gas D . This action is unnecessary as carbon dioxide is not poisonous nor toxic but is a relatively harmless ga

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• Which one is not the component of a typical, marine pattern self-contained unit?（）

  A . a centrifugal fan B . a direct expansion cooler C . a hermetic compressor D . a centrifugal pum

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• Abrams is a famous literary critic for _____ literature.

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• Beowulf is written in the form of ( ), a popular form of poetry in Anglo-Saxon literature.

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• Mansfield’s influence on the development of drama writing as a form of literature was notable.

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• The romance is a type of literature composed chiefly by, of and for ______.

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• He was a ___________ of literature and philosophy.

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• When writing a literature review, we should present the literature by __________________.

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• A literature review reveals________ in current work.

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• A good literature review should focus on previous studies and findings different from your studies.

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• English literature is also a combination of French and Anglo-Saxon elements.

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• DNC is a self-contained NC system for a single machine tool.

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• Modernism refers to a form of literature mainly written after WWII.

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• In the 18th century English literature, satire is much used in writing. English literature of this age produced a distinguished satirist Swift.

  A:对 B:错

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• The nuclear family （） a self-contained, self-satisfying unit composed of father, mother and children.

  A．refers to B．defines C．describes D．devotes to

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• The professor and writer_____coming to make a report on Chinese literature.

  A．is B．are C．has D．have

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• “A Rose for Emily” is a perfect example of Southern Gothic literature.

  正确 错误

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• Geoffrey Chaucer was a famous in the history of medieval English literature.

  A．dramatist B．novelist C．poet D．essayist

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