You install a TV tuner card on your computer. You need to record two different TV shows that runon two different channels at the same time. What should you do?（） 
- A、A
- B、B
- C、C
- D、D
正确答案:B
答案解析:有
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You install a TV tuner card on your computer. You need to record two different TV shows that runon two different channels at the same time. What should you do?（）
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