四、同学们了解了一些班规后，老师向同学们介绍了一些学校的规则及标识。阅读材料，完成下列任务。
There are many rules in the school. They can keep the school beautiful all the time.
1. 阅读材料，为每个场景选择正确的规则标识。
A. B. C. D.
Keep quiet!
Where: library
How to do: We should(应该)talk quietly and we shouldn’t eat or drink.
Keep the playground clean!
Where: playground
How to do: We should put garbage(垃圾)into the dustbin and not litter everywhere.
Eat all your food!
Where: dining hall
How to do: We should love food and not waste food.
Don’t pick flowers!
Where: garden
How to do: We should love plants and not pick flowers.
2. 根据材料，选择正确的答案。
()What should we do in the library?
A. Sing loudly. B. Eat food. C. Talk quietly.
() What’s the title(题目) of the material?
A. Rules in the school B. Family rules C. A day in the school

1. (从上到下)CDBA
2. CA