【題目】No matter how much knowledge you have, if your subject is at all ______, be careful when discussing it during your speech, or you may well offend your audience.

A. diverse B. sensitive

C. abstract D. original

【答案】B

【解析】試題分析：考查形容詞辨析。A.不同的；多種多樣的；B.敏感的；C.抽象的；深奧的D.原始的，最初的。句意為不管你多么知識淵博，如果你的課題根本上是很敏感的，那么當在你發(fā)表要說期間討論它使要小心，否則你可能會冒犯你的觀眾。故選B

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