2. 外语
  3. The listener has a given amount of energy to expend in completing the communication process. Any distraction that demands part o

The listener has a given amount of energy to expend in completing the communication process. Any distraction that demands part o

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问题      The listener has a given amount of energy to expend in completing the communication process. Any distraction that demands part of that energy will diminish the probability that communication will take place. One of the easiest distractions to eliminate is the too soft voice. You Will find it necessary to adjust your voice level to accommodate the size of the room, the number of people in the audience, the furnishings, and the ambient noise level.
     The desired level is one that seems slightly greater than that normally heard in conversation. If the room is large and filled with people, you will have to put an appropriate amount of power in your voice to be easily heard. In some cases, you may require electronic amplification, which will usually enable you to speak in an ordinary conversational tone.
     Furnishings such as heavy carpets and drapes absorb a good deal of sound, thereby creating a deadening effect on the speaker’s voice. You should be able to judge the effects of the furnishings after speaking the first few sentences. You can then modify your voice level as necessary to account for any sound-absorbing material.
     The ambient noise in the room may be made up of motor sounds from and overhead projector, air-conditioning, outside traffic, etc. You may find it necessary to vary your voice level at times to adjust for changes in the ambient noise level.
    Finally, you should be aware of cues from members of the audience who may communicate by body language an inability to hear what you are saying.
According to the passage, in the course of speaking, a speaker should______.
选项 A、use overhead projectors to help him
B、pay enough attention to the audience’ s reaction
C、raise voice level to create special effect
D、ignore any distraction from the environment
答案B
解析 文章最后一段指出，演讲者还应注意听众中表现出的其他暗示他们也许会通过体势语表示自己听不到或听不清演讲的内容。A意为：“用幻灯机帮助自己”；C意为：“提高嗓门以获得特殊效果”；D意为：“不理睬来自于环境的干扰”
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