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问题 单项选择题

5.1项危险品的名称是（）。

A.爆炸物

B.毒性气体

C.氧化性物质

D.腐蚀性物质

答案

参考答案：C

探究题

从地理上分析，为什么欧洲人爱吃牛羊肉？

                                                                                                                                                               

                                                                                                                                                               

                                                                                                                                                               
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问答题

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