劳动保障监察人员在执行监察公务和社会保险经办机构工作人员对缴费单位进行调查、检查时,至少应当由()人共同进行,并应当主动出示执法证件。
参考答案:两
若曲线y=kx+lnx在点(1,k)处的切线平行于x轴,则k=______.
—There is ____ with my watch, so I don’t know the time.
—Let me have a look.
A. something wrong B. anything wrong C. wrong something