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问答题
A（）demonstrates and provides information on promoted products or services.
答案：
A.sales promoter
B.waitress
C.customer service offic...
B.waitress
C.customer service offic...
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问答题
Which of the following couldn'；t be used to show a student'；s education achievement？
答案：
Which of the following couldn'；t be used to show a student'；...
