学校举行秋季运动会，九年级1班的同学为班级荣誉个个忙开了，有的积极参赛，有的为运动员送茶水，有的写通讯稿，有的到终点搀扶长跑运动员，有的当拉拉队。由此可见（  ）
①发挥集体的力量必须有共同的目标和行动    
②目标重要，行动更重要
③合作是分工的前提，分工是合作的必然结果
④合作可以使我们做到人尽其能，物尽其用 

张老师在指导学生记忆化学方程式时指出很多反应可以归纳，如：氧化钙、氢氧化钙、碳酸钙等与盐酸反应时生成物中都含有氯化钙和水．同学们兴趣很高，也进行了归纳：

fly的第三人称单数形式是：（    ）

    Jodie doesn't like her job. She is a ____. She____to work in the evening. She has to work on____. She is always busy. She doesn't want to work in a restaurant. It's boring.

    She wants to be an ____. She likes to sing and dance. She likes to work ____ other young people. She wants to be in the pop play. She wants to be known by many people.

    ____ now she can only work in the restaurant. She is very unhappy every day.____ can she do? Can you help her?____a letter to her soon.