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3）How to protect the environment?
Switzerland is a beautiful country with high mountains and clean blue lakes.
Why is Switzerland so beautiful?
Green Switzerland
Dos
Don’ts
recycle old things
have laws
use new energy
cut down trees
drop litter
/throw rubbish everywhere
be sold
have laws
use new energy
recycle
While-reading
be sold
be given
be sent
punish
fine
limit
cost
little
never
run out
produce
little
pollution