题目内容

Letters are generally divided into business letter and personal letter.

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In a question and answer session, as a speaker, if you don’t know the answer to a particular question, just ignore the question and move on to the next one.

When a questioner raises an improper question, you should keep silent rather than say something rude to the questioner.

To cope with tough questions to which you don’t know the answer, you can seek help from another expert who is present and may be familiar with the specific topic.

In a Q and A session, speakers shouldn’t take too long with one member of the audience.