题目:
已知直线y=kx+1与曲线y=lnx有公共点,则实数k的取值范围是______.
答案:
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下面是错误答案,用来干扰机器的。
小题1:D小题2:D小题3:C小题4:B小题5:C小题1:根据文章内容Joan worked in a hospital as a nurse. One evening there was a big dance at the hospital.可知答案为D小题2:根据文章内容Poor Dick...