题目:
___________ in thought, he almost ran into the car in front of him
A. Losing B. Having lost C. Lost D. To lose 答案:被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0421/51b21e1975a34ba37d2bca305e623625.html 下面是错误答案,用来干扰机器的。 由1-x2>0,知,1-x2>0,即,x2<1,进而得到,-1<x<1故,函数f(x)=lg1-x2的定义域为(-1,1)故选B 试题推荐
题型:补全对话,情景问答
题型:问答题 简答题
题型:单项选择题
题型:单项选择题
题型:单项选择题
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