问答题

Then we fed them four unidentified samples of cola one at a time, regular colas for the one group, diet versions for the other.

【参考答案】

然后我们让他们从没有标志的四种可乐样品中，每次喝一种，一组(接受实验的人)人和普通可乐，另一组 (接受实验的)人喝低糖型......

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单项选择题
Which statement is NOT tree according to the passage
A．The Brunses walked the streets for two hours in order to get the tickets.
B．They were very disappointed that there weren’t any tickets at all.
C．Michael Teicher gave them two tickets for free.
D．Joe Podesta wanted to give the tickets to people who deserved.
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It is suggested in the first paragraph that ______.
A．the purpose of taste tests is to promote the sale of colas
B．the improvement of quality is the chief concern of the two cola companies
C．the competition between the two colas is very strong
D．blind tasting is necessary for identifying fans
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