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v.分开，隔开
| e |
Why is Switzerland so beautiful?
Para. 2
make laws to protect the environment
n.法律
They are not allowed to break the laws,
or they will be fined or punished.
v.惩罚
v.允许
v.罚款
Why is Switzerland so beautiful?
Para. 3
They have laws to limit air and water pollution.
v. 限制
Para. 3
rich forest resource, use it wisely
adj. 丰富的
n. 资源
adv. 明智地
People use new energy to produce little pollution and it will never run out.
v.导致，产生
用完，耗尽
Para. 4
Why is Switzerland so beautiful?
Remember that everyone can do something to make a difference.
Para. 5
1 separate ______
2 recycle ______
3 allow ______