单项选择题

If anything should go wrong with your computer, refer all servicing to qualified service personnel.

A．如果你不会使用这台计算机，务必向专业人士进行咨询。
B．如果这台计算机出现问题，请送到专门维修店进行修理。
C．你的计算机出现任何毛病，都得找合格的维修人员维修。
D．你的计算机出了问题，请按此地址与维修人员进行联系。
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问答题
What should you do first in preparing for a business talk？ Gather as much （） as you can.
单项选择题
The writer believes that he will be able to bring to the position （）.

A．his writing skills
B．his positive attitude
C．his creative thinking
D．his overseas experiences
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