题干
School uniforms are common in primary and secondary schools in many countries. Here’s a list of countries below.
 | In Brazil, students wear uniforms in private schools. But in public schools, students don’t have to wear uniforms although they might have one. In general, the uniforms are a pair of blue pants and a white T-shirt with the school symbol printed on it. |
 | School uniforms are used in Cuba. All students wear school uniforms with the color as a symbol of grade level. Children also wear scarves because they are young pioneers(少先队员). |
 | Japan introduced school uniforms in the late 19th century. Today, school uniforms are very common. Many boys wear white shirts, short pants and caps. Girls’ uniforms might include a gray pleated (褶)skirt and a white blouse. |
 | In Singapore, all students must wear uniforms. Though the colors are different from school to school. The normal uniform for boys is shorts or long pants, with a shirt (often white), while girls wear white pinafores(连衣裙) or skirts. |