____的；如图乙所示，建筑工人常用重垂线来检查所砌的墙壁是否____，它是利用____的性质制成的，还可以用重垂线来检查屋顶或窗台是否____．

    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?

中国人民志愿军在抗美援朝战争中，发扬了（    ）

【走向世界开放的中国期盼着我】

材料一在世界经济复苏乏力、“反全球化”浪潮逆流涌动的形势下，***主席多次阐述了中国对世界经济发展现状的看法，提出了解决经济全球化问题的中国方案，指出要适应和引导好经济全球化，让经济全球化进程更有活力、更加包容、更加持续，让它更好惠及每个国家、每个民族。

中国不仅是新型全球化的积极倡导者，更是大力践行者。中国提出并逐步落实的“一带一路”倡议，已经惠及沿线许多国家。中国解决经济全球化问题的方案和行动，展示出强大的吸引力和感召力，得到国际社会的积极响应和广泛支持。

材料二2017年2月，岛城某校书法班学生赴美到图森市6所院校进行了文化交流。一方面，他们向美国朋友展示了中国书法艺术的魅力；另一方面，他们亲身体验了美国的课堂教学。这次活动增进了中美学生间的友谊，促进了中美文化交流。