单项选择题

A．Half an hour.
B．Longer than half an hour.
C．Longer than an hour.
D．It depends on different people.
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问答题
For this part, you are allowed 30 minutes to write a composition about advertisements. You should write at least 120 words following the outline given below：1.人们对于广告的不同看法。2. 在你看来当今广告业存在哪些问题。3. 应当如何去解决这些问题。
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