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Playground Safety Rules
Playgrounds are great places to have fun. But you need to have fun without getting hurt.
* Getting ready to play
Wear shoes to keep your feet safe.
Don’t play on broken equipment. Tell an adult if any playground equipment is broken.
* Slides（滑梯）
Go down the slide, one person at a time.
Don’t go down the slide until the person in front of you has reached the ground and moved away from the slide.
Never climb up the front of the slide.
* Climbing
Climb stairs or steps slowly. Hold onto the handrails.
* Swinging
Sit down on the swings and slow down before getting off.
Be careful when you walk in front of a moving swing. You don’t want to get hit.
* If something goes wrong
Remembering the above rules will help keep you safe and prevent accidents.
| A．Someone might slide down and hit you. |
| B．Use both hands when climbing. |
| C．Here are some rules you should remember before you head to a playground. |
| D．Because it’s very dangerous to run in the playground. |
| E．Don’t play on wet equipment. |
| F．But sometimes things can still go wrong. |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
