根据下面的内容,回答题. We can tell from the results of the poll that-考呗网题库移动版
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A.people are unconcerned about politeness nowadays.
B."thank you" remains the best expression of gratitude.
C.there is a variety of expressions of appreciation.
D.there are more formal expressions than informal ones.

参考答案C
解析:



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A.Thanks.
B.Cheers.
C.Brilliant.
D.You star.

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