单项选择题

Meeting Hall
Multi-language instant translation system, 4th floor

A. Translation is done at the same time.
B. Speeches will be translated later.
C. You will get translated version right away.
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单项选择题
Send $30 for catalog. Refundable against purchase.
A. $30 will be returned if you buy the product.
B. Customers should pay $ 30 for the catalog.
C. The money can not be taken back.
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