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litter
water pollution
noise pollution
light pollution
soil pollution
It can cause many problems!
It is harmful to our health!
It causes some diseases!
（尤指对健康或环境）有害的，导致损害的
相当于词组do harm to .
\
Chemical factory
What were they talk?
Listen to 1a and choose the best answer.
( ) What’s wrong with Mrs.Zhou?
A. It’s difficult for her to breathe.
B. She has a bad cold.
C. Her hometown has big changed.
2. ( ) How long has Mrs.Zhou been like this?
A. She has been like this since two weeks.
B. She has been like this for last week.
C. She has been like this since last week
3. ( ) Has Mrs.Zhou seen a doctor?
A. Yes, she has. B. Not yet. C. No, she haven’t
4. ( ) Has Kangkang noticed the dead fish in the river?
A. Oh, no. B. we don’t know. C, Oh, yes.
A
C
B
C