ideological and theoretical qualities and practical working ability, and strive to build a contingent of league cadres with positive work style and high quality. Hold a regular meting of the party secretary every fortnightly, arrange the work of the regiment, fedback the student information. Focus on training junior high school, junior high school secretary of the regiment branch to enable them to raise A firm political conviction, diligent and diligent learning spirit and practical and innovative work style.课 题：6．4 平行 姓名 【学习目标】1．在具体情境中进一步丰富对两条直线互相平行的认识，并会用符号表示两条直线互相平行；2．会用直尺和三角板画已知直线的平行线，并在操作活动中探究，了解平行线的有关性质．【学习重点】①探究平行线概念；②平行线画法．【问题导学】问题 1．平行线的定义： 出示立方体框架，指出立方体框架中哪些棱不相交，这些棱平行吗？问题 2．平行线画法：一 ，二 ，三 ，四 画图：过点 A 画直线 l 的平行线．问题 3．观察课本 P164 图 6-23．思考：（1）图中哪些道路与解放路平行？（2）经过人民广场，并且与解放路平行的道路有几条？（3）能否经过人民广场再修一条道路与解放路平行吗？（4）通过读图、思考，感知平行线的性质： 【问题探究】问题 1．画图：如图，A、B 是直线 l 外的两点，⑴ 经过点 A 画与直线 l 平行的直线，这样的直线能画几条？⑵ 经过点 B 画与直线 l 平行的直线，它与⑴中所画的直线平行吗？⑶ 通过画图，你发现了什么？Strengthen the team connection, strengthen the knowledge education among the students (especially the first grade students), and promote the formation of good school spirit with the influence of the league members. All League branches should start with recommending outstanding students as the development objects of the League, take amateur league schools as the basis, conscientiously do a good job in the work of pre-league education, league membership education, League members' vangua...
