()1. Keep the classroom clean.
()2. Put up your hands.
()3. Turn off the computer.
()4. Don't eat or drink.
()5. Don't be late.

1.C 2.B 3.E 4.D 5.A

()1. Please keep your bedroom clean.
()2. Can I use your eraser?
()3. Whose bag is on the floor?
()4. Don't run in the classroom!
()5. What can you do?
()6. Who's on duty today?
A. OK. I'm sorry.
B. OK. I will, Mum.
C. Of course. Here you are.
D. Chen Jie and me.
E. I can clean the windows.
F. That's mine.

1.B 2.C 3.F 4.A 5.E 6.D

为下列规则设计有创意的标识。
1. Put your bags on the shelf.
2. Let old people go first.
3. Don't play in the water.
4. Don't sleep in the class.

1. 规则“Put your bags on the shelf”：画一个带隔板的架子，旁边画一个书包，用箭头指向架子；2. 规则“Let old people go first”：画两个小人，一个画白发代表老人，一个是普通小人，老人在前方，普通小人在后方，用箭头标注老人先行；3. 规则“Don't play in the water”：画一个水池，水池旁画一个小人伸手要玩水，再画一个红色的叉；4. 规则“Don't sleep in the class”：画教室的课桌，桌上画一个小人趴着睡觉，旁边画红色的叉。

本题为四年级英语规则的创意标识设计题，需围绕每条规则的核心含义，采用简单直观、符合四年级学生认知的图形创意呈现，无需复杂文字，突出规则要求。