题目

若分式有意义，则x的取值范围是（ ） A．x＞3B．x＜3C．x≠3D．x=3 答案：C． 【解析】 试题分析：∵分式有意义，∴x﹣3≠0，∴x≠3；故选C． 考点：分式有意义的条件．–Excuse me, could you please tell me __________ ?–Yes, there is a history museum.A. how often do you go to the history museumB. are there any good museums in KunmingC. how long it takes to get to the history museumD. if there are any good museums in Kunming