The author suggests that a title holder is successful only i

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第11题答案是

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已知三点A(1,2,3),B(3,4,5),C(2,4,7),则△ABC的面积为()。

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The solution to the ethical issues brought by autonomous veh

The solution to the ethical issues brought by autonomous vehiclesA.can hardly ev

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防火门应为平开门,其开启方向必须为 () 。

防火门应为平开门,其开启方向必须为 () 。A.朝右 A.朝右 B.朝左 B.朝左 C.水平 C.水平 D.疏散方向 D.疏散方向

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