Module 12 Save our world.Unit 3 Language in use.教学课件（23张PPT）

课件23张PPT。Unit 3 Language in useModule12 Save our world初中英语外研版九年级上册 What's the theme of “Earth Hour”?Around the worldWhat do people do during Earth Hour?
When and where was Earth Hour first held?People switch off the lights that they do not need.It was first held in 2007 in Sydney.Read the passage and answer the questions.3. Why do people take part in “Earth Hour” ?
4. Do you want to take part in it? Why?Because they want to show their awareness of climate change.Yes! Because...Read the passage and answer the questions.Fill in the blanks with the correct words. Earth Hour is held toward the end of March each year. During Earth Hour, people all across the world switch 1.______ the lights they do not need. They do this to 2.______ their awareness of climate change.
The first Earth Hour was 3.______ in 2007 in Sydney, where more than 2.2million people switched off their lights. Today, more and more 4.______ are taking part in the event, such as Beijing, London and New York, and landmarks 5.______ the Empire State Building and the Golden Gate Bridge will go dark. offshowheldcitieslikeWe can recycle.We can reduce.We can reuse.We all need a healthy environment.

Repeat these three words daily:
reduce, reuse and recycle.微课：Grammar
构词法（word-building)大连市知行中学 徐颖156Choose the number and do exercises using -able, -ful, -less, im-, re-, un-. Game Time !If a chair makes you feel physically relaxed when you sit on it, you can say the chair is?__________.comfortable comfort + able = comfortableIf you are always ready to help people, you are ______.helpful help + ful = helpfulIf you write something and it isn’t very good, you should ________ it.rewrite re + write = rewriteIf you aren’t certain about something, you are ____________.uncertain un + certain = uncertainIf someone is rude and does not have good manners, we can say he / she is ___________.impolite im + polite = impoliteIf something is without any use, it is ___________.useless use + less = useless1. full of care ______________
2. can be collected ___________
carefulA1.Make new words. Join the parts of words in Box A with the words in Box B.collectable3. full of hope ____________
4. without any hope _______
5. not possible _________
6. not usual ___________
7. without any use ____________
8. use again ___________
9. not wanted ____________
10. making a lot of waste ________collectablehopefulhopelessimpossibleunusualuselessreuseunwantedwasteful hopeful impossible reuse unhealthy wastefulA2.Complete the sentences with the words in the box.Polluted water is ___________.
It is ________ to throw so much food away.
If you look after things well, you may ______ some of them later.
It is ________ to clean up the whole river in such a short time.
If we pay attention to pollution now, the future will be _______.unhealthywasteful reuseimpossiblehopeful useuseusefully/uselesslyhopehopeful/hopelesswastepolluted / unpollutedwaterwasted/wastefulwastefullypolluteA3.Complete the table.usualusually/unusuallyA4.Complete the sentences with the correct form of the words in Activity 3.The factory __________ the river, and the fish died.
We often walk in the countryside. It is a(n) _________ activity for us.
Do not use so much water. It is very _______.
To keep the flowers growing, you need to ________ them once a day.wastefulusualpollutedwaterA5.Complete the sentences.A __________ is a card that you write on one side of and send to someone by post.
A __________ is a room where you have classes at school.
A __________ is a book that has one or more stories for children.
A __________ is a black board that is used at school for writing on with chalk.storybookclassroompostcardblackboardHomework1.Work in groups. Discuss what we can do to make our school greener?
2.Write a short passage . Only to obey nature in order to overcome nature.
--Darwin