仁爱版九年级英语上册 Unit 2 Topic 3 What can we do to protect the environment? Section B 课件(共26张PPT)

课件26张PPT。Unit 2 Saving the Earth Topic 3 What can we do at home to protect the environment? Section B
Learning aim1. Some words: action, distance,electricity
2. Some phrases:ought to, shut off, after all
3. Some useful sentences:
(1)Would you like to be a greener person?
(2)First, you ought to turn off the lights when you leave a room.
4.idioms:
(1)Easier said than done.
(2)Well, actions speak louder than words.
New words electricity 电，电能
distance 距离
cloth 织物，布料
action 行动，行为
ought to 应该
shut off 停止，关掉
after all 毕竟，归根结底ReviewWhat should we do at home
to protect the environment?
.
.
.
What should we do at school
to protect the environment?
.
.1.We should reduce the waste we produce.2.We should use both sides of paper.3.We should reuse plastic bags.1.We encourage students to collect waste paper and soft drinks cans.2.We sort them What should we do to improve our environment? plant more trees ride a bike instead of taking a taxi or a car. Don’t litter around.
Put the litter into dustbin.垃圾桶/箱 pick up the rubbish. Don't cut down trees.
Don't pick flowers.
Don't walk on grass.
Don't spit anywhere in public.
Don't pour waste water into streams.
We shouldn't leave rubbish here and there.
We shoul care for animals .
We should do everything we can to protect the environment. brainstorm1b Listen to 1a and choose the correct answers. 1.Jane and Michael are mainly talking about _______.
why we should shut off the electricity when we leave
what we should use when we go shopping
how to be a greener person
2. Actions speak louder than words means ____.
words are not as loud as actions
to do well is better than to say well
actions can speak, but words can’t do it
3.How many ways should we do?
A. Two B. Three C. Four
1c .listen 1a and complete the table.What should we doYou ought to shut off the electricitydistancetake a bus or a taxiwalk or ride a bikesave energyreduce air pollutiontake a cloth bagplastic bagsKey pointsYou should /ought to …shut off the electricityn.电，电能关闭Language pointse.g. You should / ought to shut off the electricity when you leave a room. =turn offYou should/ought to ride a bike to your school. You should/ought to take a bus to school instead of taking a taxi.You should/ought to take a cloth bag when you go shopping. Language points Language pointsought to =should应该 情态动词
ought to +动词原形
ought not to + 动词原形
Ought+主语+ to ......?
难点练习：
We ought to be polite to the old.
译中文：
b.你应该帮你妈妈做些家务活。
You _______ ____ ______ your mother _____ some housework.
c.你不应该在墙上画画。
You __________ ____ draw on the wall.
d.我应该立刻去浇花吗？
________ I ______ _______ the flowers at once?
e.我们应该现在出发，是吗？
We _______ _____ ______ now, _______ ______?ought to help do oughtn’t toOught to waterought to start oughtn’t we我们应该对老人有礼貌. shouldn’t weActions speak louder than words.Remember some English idioms and try to use them often. Easier said than done. 说起来容易做起来难。行动胜于言辞。idioms习语Choose the best answer
CBA1a Look, listen and read. Retell 1a like this:
用第一人称转换成文章 I would like to be a greener person.
First I ought to shut off the electricity when I leave a room.
Second, I’d better walk or ride a bike instead of taking a bus or a taxi if I travel a short distance. I will save energy and reduce air pollution.
Third, I will take a cloth bag when I go shopping. I won’t use plastic bags.
It’s easy to be a greener person. How can we become a greener person?2 Choose the correct verbs or phrases to complete the statements. Then match them with the right pictures. shut off reduce grow recycle ride cover use______ waste. Don’t buy cups or boxes which can be used only once.
Save electricity. ________ the electricity when you are not using it.
________ boxes and plastic bottles.
________ fruit and vegetables yourself.
Try to ________ a bike when you travel.
_________ both sides of the paper.
__________ pans when you are cooking. ReduceShut off RecycleGrowrideUseCover2 Match them with the right pictures. ①Reduce waste. Don’t buy cups or boxes which can be used only once.
②Save electricity. Shut off the lights when you are not using them.
③Recycle boxes and plastic bottles.
④Grow fruit and vegetables yourself.
⑤Try to ride a bike when you travel.
⑥Use both sides of the paper.
⑦Cover pans when you are cooking.Using ought to/ should /ought not to / shouldn’t toHave a free talkDifficulty①Reduce waste. Don’t buy cups or boxes which can be used only once.
②Save electricity. Shut off the lights when you are not using them.
③Recycle boxes and plastic bottles.
④Grow fruit and vegetables yourself.
⑤Try to ride a bike when you travel.
⑥Use both sides of the paper.
⑦Cover pans when you are cooking.Writing
According to what you have learnt ,write a proposal to call on classmates to be a greener person.(写一份倡仪书号召同学们成为环保者)
You can write it like this
Boys and girls,
It’s our duty to protect the environment around us. ………
………
………
If everyone is doing that, our world will become more and more beautiful.
summaryWe learn: 1. Some words: action, distance,
electricity
2. Some phrases:
ought to, shut off, after all
3. Some useful sentences:
(1)Would you like to be a greener person?
(2)First, you ought to turn off the lights when you leave a room.
(3)Easier said than done.
(4)Well, actions speak louder than words.
We Can: 1. Use the proper ways to protect
the environment in our life.
2. Talk about the greener life style.
Read 1a.
Memorize the useful expressions and key sentences that we learn today.
Finish Section B in your workbook.
Preview Section C.
HomeworkThank you !