We felt__ to death because we could make nothing of the lecturer's speech.
A．exposed
B．tired
C．exhausted
D．bored

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  A．preachers are not so successful as businessmen
  B．businessmen are not so successful as preachers
  C．boys are advised to become preachers instead of businessmen
  D．measurable success can also be achieved by preachers

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• 在产品检验中，误检包括两种情况：一是把不合格产品定为合格；二是把合格产品定为不合格。有甲、乙两个产品检验系统，它们依据的是不同的原理，但共同之处在于：第一，它们都能检测出所有送检的不合格产品；第二，都仍有恰好3%的误检率，第三，不存在一个产品，会被两个系统都误检。现在把这两个系统合并为一个系统，使得被该系统测定为不合格的产品，包括且只包括两个系统分别工作时都测定的不合格产品。可以得出结论；这样的产品检验系统的误检率为0。以下哪项最为恰当地评价了上述推理？
  A．上述推理是必然性的，即如果前提真，则结论一定真。
  B．上述推理很强，但不是必然性的，即如果前提真，则为结论提供了很强的证据，但附加的信息仍可能削弱该论证。
  C．上述推理很弱，前提尽管与结论相关，但最多只为结论提供了不充分的根据。
  D．上述推理的前提中包含矛盾。

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• Karen: Hello. Could I speak to Justin, please？ Justin: ______.
  A．Yes, you could.
  B．Speaking.
  C．Who are you？
  D．Speak, please.

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• When we have difficulty __ desired objects or reaching desired goals we experience negative emotions such as grief and anger.
  A．at obtaining
  B．in obtaining
  C．on obtaining
  D．with obtaining

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• None of the soldiers was allowed to open fire unless heavy loss was shown to be __ inevitable.
  A．nonetheless
  B．otherwise
  C．hence
  D．therefore

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