2. 外语
  3. If ever you are called【B1】to intro-duce a speaker, it would be well for you to bear in【B2】that you have a responsibility to do m

If ever you are called【B1】to intro-duce a speaker, it would be well for you to bear in【B2】that you have a responsibility to do m

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问题     If ever you are called【B1】to intro-duce a speaker, it would be well for you to bear in【B2】that you have a responsibility to do more than simply get up, recite a few facts, and then sit down. You have at least five major【B3】. It is really your responsibility to【B4】the tone for the speaker, to establish close relation- ship with his audience, and【B5】the audience that the speaker is a person Worth【B6】to. In accomplishing this broad goal, you may also be able to ease the【B7】and thus relieve your speaker【B8】whatever feelings of stage fright or anxiety he may be【B9】.
    You should also introduce your speaker’s speech topic and his【B10】, and in doing this you should make clear that the audience is aware of the speaker’s【B11】in his field. Some individuals are so well-known in their fields that it is only necessary to present them by name.【B12】, it is far better to ignore this possibility in most【B13】and proceed to give some of the【B14】facts concerning his educational background, his major accomplishments, and his present role in society.
    Most speakers are【B15】to talk about their own accomplishments, and it is your job to【B16】out beforehand what these accomplishments are and then tell your audience about those that seem most interesting. This requires some【B17】ahead.【B18】you will have referred to the speaker, possibly by name and title, before you formally introduce him, it is always a good idea to【B19】the title or substance of his topic as【B20】as his name and title near the close of your introduction.
选项 A、for
B、in
C、up
D、on
答案D
解析 call on/upon sb.(to do sth．)意为“正式邀请、请求某人做某事”，因此D正确。call for意为“需求，要求”，如The situation calls for prompt action(形势要求迅速采取行动)。call sth. in“下令收回(如不合格产品)，迅速归还(逾期图书等)”。call sb./sth. up“给…打电话；使想起，回忆起”。
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大学英语四级

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