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第1题

函数f(x)=x(x-1)(x-2)(x-3)(x-4)的导函数有()个零点 A、 1个 B、 3个 C、 4个 D、 5个
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第2题

The contract fee allows the client to pick up the phone and talk to the lawyer without needing to eye the clock.
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第3题

If you want something better than the old “bill by the hour” deal, try presenting one of these billing structures.
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第4题

I don.t think anyone had a doubt in their minds that she murdered her children.
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