B. Part 1 Pre-read
* harm: v. harm sb.\ sth.
n. It is harm to do sth.
There is no harm in the meat.
He means no harm.
* improve our environment
① What things can harm the environment?
Waste water, waste air, litter, rubbish
② What do you think we should do to improve our environment?
Plant trees\flowers, pick up waster paper, keep …clean and tidy
C. Read and do workbook Ex.1
D. Read and learn
Part 1: It talks about an interesting truck collecting rubbish.
*There was a truck collecting rubbish outside.
*whenever = no matter when
*produce 播出（产生，生产）
*as soon as 后面常用一般现在时代表将来
*It’s a pleasant way to keep our city clean. it 代表后现的to keep our city clean
Reading practice
Part 2: It talks about what we should not do
*Taking care of our environment is very important.
*wherever= no matter where
*throw litter onto the ground
litter: v. litter somewhere with sth.
eg. Litter the desk with paper