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(共20张PPT)
Unit 13
We’re trying to save the earth.
Section B（1a~1e）
Let’s think.
How can we save the earth
What can we do
Let’s think.
We should use reusable bags instead of plastic bags.
Let’s think.
We should turn off the tap before leaving.
Let’s think.
We should throw litter in the bins.
Let’s think.
We should turn off the light before leaving the room, especially during the daytime.
Let’s think.
We should use public transportation, such as bus or subway.
Let’s think.
We shouldn’t use the one-off chopsticks, plastic spoons or forks.
Let’s think.
1a What can we do to help save the earth Rank these items from the easiest (1) to the most difficult (5).
What does this picture mean
We not only throw rubbish in _____, but also learn to _____ rubbish and throw them in ____________ .
bins
sort
different bins
Let’s think.
1a What can we do to help save the earth Rank these items from the easiest (1) to the most difficult (5).
____ stop riding in cars
____ recycle books and paper
____ turn off the lights when you leave a room
____ turn off the shower while you are washing your hair
____ don’t use paper napkins
Let’s talk.
1b Compare your answers in 1a with your partner.
I agree. But it's hard to stop riding in cars.
Recycling paper is really easy.
动词作主语需用ing形式， 即动名词
Let’s listen.
1c Listen and check (√) the things that Julia and Jack talk about
Things Julia and Jack talk about
___turning off the lights
___turning off the shower
___not using paper napkins
___taking your own bags when shopping
___not riding in cars
___riding a bike
___recycling paper
√
√
√
√
√
Let’s listen.
1d Listen again. Check (√) the things that Julia is doing now, the things she will do in the future and the things she would never do.
Things Julia and Jack talk about Things Julia is doing now Things Julia will do in the future Things Julia would never do
______turning off the lights
______turning off the shower
______not using paper napkins
______taking your own bags when shopping
______not riding in cars
______riding a bike
______recycling paper
√
√
√
√
√
√
√
√
√
√
Let’s read.
Read the tapescripts carefully.
Jack : Turn off the lights , Julia . It saves electricity .
Julia : Oh , I usually do that . I was just in a hurry .
Jack : I see . I’ve just read a book which gives ideas about how we can save the environment .
For example , you should turn off the shower when you’re washing your hair .
Julia : Oh , I would never do that . I have very short hair . It only takes a few minutes to wash .
What else does it say
Jack : You should take your own bags when you go shopping .
Julia : Oh , that ' s easy . I ' ll do that from now on . What else
Jack : People should stop riding in cars and start riding bikes .
Julia : No way ! It would take me 45 minutes to get to school by bike !
Jack : But it ' s good for the environment ! Besides , I like riding my bike .
Julia : Yes , and you also live close to school !
Let’s talk.
1d Make a conversation using the information from the chart above. Say what is true for you.
I know. I stopped
using them last year.
We really shouldn’t use paper napkins, you know.
Let’s talk.
1d Make a conversation using the information from the chart above. Say what is true for you.
We should take our own bags when we go shopping.
Oh, that’s easy. I’ll do that from now on.
Let’s summarize.
To save the earth, what kinds of small things can we do
We can turn off the light before we leave the room. It saves electricity.
We should turn off the shower when we are washing our hair.
We should take our own bags when we go shopping .
We should bring a bag to go shopping.
We can use reusable bags instead of plastic bags.
Let’s summarize.
To save the earth, what kinds of small things can we do
We can recycle books and paper.
Instead of driving to school or work, we can ride a bike or walk. If it’s far, we can take a bus or subway.
We should stop using paper napkins .
People should stop riding in cars and start riding bikes .
Everyone should use public transportation.
We can take a bus or subway instead of driving.
Let’s summarize.
To save the earth, what kinds of small things can we do
We shouldn’t use the one-off chopstics , spoons or forks.
We shouldn’t take wooden chopsticks or plastic forks when we buy takeaway food.
We shouldn’t throw litter about.
Bye bye
Thank you !

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