Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,*,栏目导引,探究案,讲练互动,应用案,巩固提升,预习案,自主学习,第二章解析几何初步,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,章解析几何初步,1.2直线的方程,第1课时直线方程的点斜式,章解析几何初步1.2直线的方程,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,北师大版必修2数学ppt课件2,本部分内容讲解结束,按,ESC,键退出全屏播放,本部分内容讲解结束按ESC键退出全屏播放,团Tiffany，a 16yearold girl，was very shy.Last September，her best frien “I was really sad the moment I heard the bad news and I didnt know what to do，” Tiffany recalled.“I shut myself in my room for a whole week.It was then that my aunt took me to a sports club one Saturday and I saw so many young people playing different kinds of sports there.I signed up for a beginners course in volleyball and since then I have been playing this sport.Now I practice twice a week there.It is wonderful playing sports in this club and I have made lots of friends as well. 2 ”,The most basic aim of playing sports is that you can improve your health even if you are not very good at sports.Besides，you can get to know a circle of people at your age while playing sports. 3 Since she joined the sports club，s,I got used to the life here. And now I know lots of (5)_ here. For example, when I meet my friend on the street, I usually (6)_ him like this, “Hey, where are you going?” In our country if someone asks this, people may get (7)_ but in this country people wont. Of course, there are some other interesting things here. Ill tell you about them next time.,he has opened up herself and now she has become very active and enjoys meeting and talking with others.,1Its polite for girls to kiss each other on the side of the face.s also become more confident.团圆圆一家在台湾可受欢迎了。每天，小朋友们排着长队，等着跟它们合影留念。从“排着长队”体现出每天喜欢它们的人不计其数，特别受选D.A.根据同类项合并法则,与不是同类项,不能合并,故本选项错误;B.根据算术平方根的定义,=3,故本选项错误;C.根据同底数幂的乘法aa2=a3,故本选项错误;D.根据积的乘方,(2a3)2=4a6,故本选项正确.欢迎。从“合影留念”体现出大家都想和大熊猫留住最美丽的瞬间以作纪念。,Nothing can be accomplished without norms or standards.,精品资料！感谢阅读下载！,团Tiffany，a 16yearold girl，wa,42,