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agreement disagreement
hurry up give up
Speak out the names of the pollution.
air pollution
light pollution
litter
water pollution
soil pollution
noise pollution
Noise is a kind of pollution it is harmful to our hearing .
be harmful to = do harm to … 对… 有害
noise
and
Use “and” to make some sentences .
I like apples and bananas .
2. She and he are good friends .
3. We should use both sides of paper and reduce plastic bags .
4.We can collect waster paper and soft drink cans .
……
Work hard , and you will do it well .
（好的结果）
（祈使句）
+and
Don’t pour waste water into the river the water in it will become dirty.
or
（结果不好）
（祈使句）
+or
Use “ or ” to make some sentences .
Hurry up , or you will miss the bus .