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nature
f
s
m
n
w
抢答
2
3
4
1
5
1b Listen to 1a and number the following pictures.
1c Read 1a and complete the table.
Should do
Shouldn’t do
1.____ ____ wild
animals
2.plant _____ _______
3.do ___________ we
can
1._______ rubbish here
and there
2._______anywhere
in public
3.________ on grass
4. pick _________
care for
more trees
everything