Every school has its own rules. How many1are there in your school？ At some schools, the students 2 to wear uniforms on school days. But many students don't like to wear uniforms. They think the uniforms are the ugliest 3 in the world. But the school don't allow students to wear 4 own clothes at school. So some students draw cartoons or some famous singers on their 5. They think it is very6that everyone wears the same. It is very unfair(不公平的） that teachers and students are wearing7. But most of the students 8the rules. What do you think 9 it? Do you 10your school uniforms?

如图所示电路，电源两端电压不变，设灯的电阻不随温度变化。当开关S₁、S₂都闭合时，灯L正常发光，R₁消耗的功率为18W；当开关S₁、S₂都断开时，灯L的功率为其额定功率的$\frac{1}{9}$，R₂消耗的功率为2W，则下列说法正确的是（   ）

作文：下面两题中任选一题，按要求完成任务。

       （1）这里也有乐趣

       （2）阅读下面材料，根据要求作文。

        课堂上，老师问：“为什么人在冰面上行走，容易摔倒呢？”一生说：“因为冰面太光滑，鞋面与冰面的摩擦力太小。”另一生说：“因为冰面太平坦，脚一打滑，便没有什么不平的东西阻止脚滑下去。”老师根据学生的回答，总结道：“所以，人在冰面上行走容易摔倒，一是因为冰面光滑，缺少阻力；二是因为冰面平坦，缺少坎坷。阻力和坎坷，这些看似有碍于我们前进的东西，却反过来成就了我们。”

       要求：(1)立意自定，自拟题目，写一篇不少于600字文章。(2)文章要有真情实感，主题要正确鲜明。(3)文章中不得出现真实的地名、校名、人名。