(共17张PPT)
Unit 13 We’re trying to save the earth.
Section B (1a -1e)
Lead in
Lights are still on after you left the room
Lead in
Boxes are thrown away after you shopped
on line
Lead in
The shower aren’t turned off when you
are washing your hair.
Lead in
Natural resources are being wasted!
What can we do to save resources and protect the earth
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
Answers will vary.
1b
A:Recycling paper
is really easy.
B:I agree. But it’s
hard to stop
riding in cars.
1b
B:I agree. But it’s
hard to stop
riding in cars.
As a conjunction, but is usually not used at the beginning of a sentence in formal(正式的) writing. However, it can be used at the beginning of a sentence in speech（演讲） or in informal writing.
1c
Listen and check the things that Julia and Jack talk about.
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
√
√
√
√
√
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
√
√
√
√
√
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 of 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
1c/1d
read
Jack: You should take your own bags when you go sopping,
Julia: Oh, that's easy. Ill 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!
1c/1d
read
1e
Make a conversation using the information from
the chart above. Say what is true for you.
A:We really shouldn’t use paper napkins, you know.
B:I know. I stopped using
them last year.
recycle是由前re (又;再;重)加cycle (循环;使循环)构成的。
类似的词还有:
rewrite (重写)，
retell (复述),
reuse (再使用),
remarry (再婚)，
rebuild (重建)等。
Take notes
Take notes
taking your own bags when shopping购物时自带包
when shopping 意为“购物时”,连词when引导时间状语从句时，可以换成以when引导的介词短语或分词短语 when doing sth.意为“做某事时"。
Take notes
例: When you do the work, you must be careful.
= When doing the work, you must be careful.
工作时你必须当心。
Thank you!
