九上U2T3SB (2).ppt

Unit 2 Topic 3
Would you like to be a greener person?
Section B
use both sides
of the paper
善待地球，从重复使用塑料袋开始
reuse plastic bags
sort the garbage
so that
they can be recycled
collect waste paper
and soft drink cans
c
( ) (1) Reduce waste. Don’t buy cups or boxes
which can be used only once.
( ) (2) Save electricity. Turn off the lights when
you are not using them.
( ) (3) Recycle boxes and plastic bottles.
( ) (4) Grow fruit and vegetables yourself.
( ) (5) Try to ride a bike when you travel.
( ) (6) Use both sides of the paper.
( ) (7) Cover the pans when you are cooking.
c
a
a
b
d
e
f
g
b
c
d
e
f
g
Please listen to 1a and find out Jane’s advice.
First…,
Second…,
Third…
Turn off the lights when
you leave a room
Save electricity
walk or ride a bike
instead of
taking a bus or a taxi
if you travel a short
distance ( journey ).
save energy and
reduce air pollution
Take a cloth bag
when you go shopping
Don’t use plastic bags.
应该








ought to=be supposed to=should
You’d better do
turn off
instead of
travel a short distance
save energy
reduce air pollution
take a cloth bag
a greener person
ought to
情态动词
应该，应当
+ 动词原形 无人称，时态数的变化
You ought to help your mother do some housework.
ought not to
+ 动词原形
不应该做，不应当做
You ought not to get up so late in the morning.
---Ought we to go there?
-----Yes ,you ought. ----No, you ought not.