阅读下面材料，在空白处填入适当的内容（不多于1个单词）或括号内单词的正确形式。

    Nowadays, more and more schools in China have rules making students wear school uniforms to school. A lot of Chinese students complain about____ (wear) their school uniforms every day. But do American students get ____(annoy) about their uniforms, too? American high schools usually have a dress code(衣着标准), ____ is about requirements for students' dressing. Boys at school must wear clean jackets every day. Girls are ____ (luck) than boys, for they have more flexible____ (choose) than boys. They can either dress similarly to the boys ____wear a dress. In general, it takes a student 10-15 minutes every morning ____ (dress) up for class. As students do in China, plenty of American students also have their complaints about school uniforms. What if students really dislike the dress code and want to get rid of it? Instead of getting punished, ____ (actual) there're ways to do that. At my school, "dress down" tickets ____ (sell) on school days. If students are willing to buy a ticket, they don't need to wear school uniforms the following day. I have a strong  ____ (believe) that one day Chinese students can buy these tickets, too.

往AgNO₃、Cu(NO₃)₂和NaNO₃的混合溶液中加入过量铁粉，充分反应后溶液中一定不存在金属离子是（　）

在同一白蚁群体内，有雌蚁、雄蚁、工蚁和兵蚁，他们分工协作，共同生活，这种行为是（    ）

材料一：土地改革的基本内容就是没收地主阶级的土地，分配给无地或少地的农民。这样，当做一个阶级来说，就在社会上废除了地主这一阶级，把封建剥削的土地所有制改变为农民的土地所有制。这种改革，诚然是中国历史上几千年来一次最大、最彻底的改革。

——刘少奇《关于土地改革问题的报告》

材料二：“中华人民共和国是工人阶级领导的、以工农联盟为基础的人民民主专政的社会主义国家······中华人民共和国的一切权利属于人民”

材料三：“工业化——这是我国人民百年来梦寐以求的理想，这是我国人民不再受帝国主义欺侮不再过穷困生活的基本保证，因此这是全国人民的最高利益。全国人民必须同心同德，为这个最高利益而积极奋斗。”

——《人民日报》1953年元旦社论

请回答：

写出近义词

满足—____       操劳—____       盛情—____