Chinese Youth Day falls on May 4 every year. It comes from the great May Fourth Movement and carries the spirit of patriotism (爱国精神) and progress. Young people aged 14 to 28 can enjoy a half-day holiday on this special day to relax and take part in different activities.

Nowadays, people celebrate this festival in rich and colorful ways across the country. Many schools and youth groups organize meaningful social practice and volunteer activities. Young volunteers often go to nursing homes to help the elderly or assist traffic workers on busy roads to keep order.

1.1.Who can have a short holiday on Youth Day?

A Kids under 14 years old.

B Workers over 28 years old.

C Young people aged 14 to 28.

D All people in the city.

解析：选C。C 细节理解题。原文第一段明确说明“Young people aged 14 to 28 can enjoy a halfday holiday”，因此C选项“14至28岁的年轻人”是正确答案。A选项“14岁以下儿童”和B选项“28岁以上工人”均不在享受假期的人群范围内，D选项“城市里所有人”与原文限定年龄的描述不符，故而排除。故选 C。

2.2. What activities do youth groups organize?

A Volunteer work.

B Sports games.

C Music shows.

D Art lessons.

解析：选A。A细节理解题。文章第二段直接提到“Many schools and youth groups organize meaningful social practice and volunteer activities”，即组织社会实践活动和志愿者活动，A选项“志愿者工作”与此完全对应。B选项“体育比赛”、C选项“音乐表演”和D选项“艺术课”在文中均未出现，因此不选。故选 A。

3.3. Many graduating students have ________ at school.

A school trips

B growing-up ceremonies

C sports meetings

D music parties

解析：选B。B 细节理解题。根据第三段第一句“many high schools hold traditional growingup ceremonies for graduating students”可知，许多高中为毕业学生举办成长仪式，故B选项“成长仪式”为正确答案。A选项“学校旅行”、C选项“运动会”和D选项“音乐派对”在文中均未提及，不符合文意。故选 B。

4.4. Why do some college students wear traditional uniforms?

A To show fashion.

B To follow orders.

C To have fun.

D To remember history.

解析：选D。D 细节理解题。第三段明确指出“more and more college students choose to wear traditional school uniforms to remember history”，即为了铭记历史而穿，因此D选项“To remember history”是正确选项。A选项“为了展示时尚”、B选项“为了服从命令”和C选项“为了玩乐”在文中均无依据，所以排除。故选D。