Ⅳ. Read and choose the best answer. 阅读并选择最佳答案。
Every school has its rules. There are rules in Deyi Primary School in Singapore. Here are some.
◆Sing the national song. Students and teachers must sing the national song in the morning every weekday.
◆Wear the school uniform. Students should wear school uniforms at school. But they can wear their own T-shirts and trousers for activities on Saturday.
◆Be on time. Students should get to school on time every weekday. In the morning,students should arrive at school before 7:30. In the afternoon,they must arrive at school before 14:30. But on Wednesday afternoon they do sports,so they should get to school before 14:00.
◆Keep things in order. Students can't put their things everywhere. Each of their things has its own place. It's helpful for students to find them this way.
()11. When can students wear their own T-shirts and trousers at school?
A. On Thursday. B. On Saturday. C. On Friday.
()12. What time should students usually get to school in the morning?
A. Before 7:30. B. Before 8:00. C. Before 8:30.
()13. How many school rules are mentioned in this passage?
A. Three. B. Four. C. Five.
()14. Why must students keep things in order?
A. To make things nice. B. To help their study.
C. To help them find their things.

Ⅳ.11. B 12. A 13. B 14. C

【分析】
本题为英语阅读理解选择题，解题需紧扣短文内容，通过定位关键信息逐一解答。步骤如下：1. 通读全文，梳理短文提到的校规内容；2. 针对每道题目，定位短文中对应的规则信息，匹配选项得出答案。
【解析】
1. 第11题：根据短文第二条规则“they can wear their own T-shirts and trousers for activities on Saturday”，可知学生周六可穿自己的T恤和裤子，故选B。
2. 第12题：根据短文第三条规则“In the morning,students should arrive at school before 7:30”，可知早上需在7:30前到校，故选A。
3. 第13题：短文明确提到的校规有“Sing the national song”“Wear the school uniform”“Be on time”“Keep things in order”，共4条，故选B。
4. 第14题：根据短文最后一条规则“It's helpful for students to find them this way”（them指代物品），可知保持物品有序是为了方便找东西，故选C。
【答案】
Ⅳ.11.B 12.A 13.B 14.C
【知识点】
英语阅读理解、细节信息查找
【点评】
本题围绕小学校规展开，考查学生快速定位短文细节的能力，题目设置直接，只要认真阅读短文，准确找到对应规则即可选出答案，适合小学阶段学生巩固英语阅读细节查找的技能。
【难度系数】
0.8

Ⅴ.美丽的校园离不开规则。请列举至少5条你认为重要的校园规则,并说明它们重要的理由。

Ⅴ.1. Don't be late for school. ——We won't miss any important
lessons.
2. No eating in the classroom. ——To have a clean and tidy
learning place.
3. We mustn't use phones in class. ——We can focus on
our learning.
4. Raise your hand in class. ——It shows respect to the
teacher.
5. Be polite to everyone. ——Others will treat us nicely.

【分析】
本题要求列举5条重要的校园规则并说明对应理由，需结合校园日常场景，左边填写符合要求的规则（常用祈使句或情态动词结构），右边填写逻辑匹配的理由，确保规则与理由的对应关系合理，结合例子的结构完成匹配即可。
【解析】
根据校园规则的常见内容，结合题目要求的结构，依次匹配规则与理由：
1. 规则：Don't be late for school. 理由：We won't miss any important lessons.
2. 规则：No eating in the classroom. 理由：To have a clean and tidy learning place.
3. 规则：We mustn't use phones in class. 理由：We can focus on our learning.
4. 规则：Raise your hand in class. 理由：It shows respect to the teacher.
5. 规则：Be polite to everyone. 理由：Others will treat us nicely.
【答案】
1. Don't be late for school. ——We won't miss any important lessons.
2. No eating in the classroom. ——To have a clean and tidy learning place.
3. We mustn't use phones in class. ——We can focus on our learning.
4. Raise your hand in class. ——It shows respect to the teacher.
5. Be polite to everyone. ——Others will treat us nicely.
【知识点】
校园规则英语表达；理由阐述；祈使句用法
【点评】
本题结合校园生活实际，考查学生对校园规则的英语表达及理由的合理阐述，贴近学生日常，难度较低，有助于巩固相关英语知识的运用。
【难度系数】
0.3