人教修订版英语高二上Unit 9 Saving the earth
Grammar教案

Teaching Aims :
1. Revise and master some useful words, learning how to remember English words.
2. Learn the Grammar: Inversion.
Teaching Important Points:
1. Learn to use some derivative words.
2. Learn to use Inversion.
Teaching Difficult Points:
How to help the students use partly and fully inverted sentences correctly.
Teaching Methods :
1. Practising to master the language points.
2. Elicitation and inductive methods to help the students master Inversion.
3. Individual or pair work to make every student work in class.
Teaching Aids:
the blackboard
Teaching Procedures:
Step 1 Revision
T: Yesterday we read a passage about the Earth Summit and some of the major problems facing the world. Through the passage we know at the Earth Summit, representatives from more than one hundred countries discussed some of the most important problems facing our planet. Up to now, several Earth Summits have been held and much progress has made.
1. Can you tell me in which city the 2002 Earth Summit was held?
2. Do you remember one of the main themes of the 2002 Earth Summit？And what was it?
3. What are the three biggest killers in the world?
4. What other problems did the speakers speak about?
5. What did China's then Premier Zhu Rongji stress?
6. How can we save the earth?What is the key to the future?
Step 2 Preparing for Word study
adj. n.
lonely _______
willing _______
responsible _______
fair _______
equal _______
poor _______
v. n.
kill _______
represent _______
suffer _______
adj. adv.
real _______
absolute _______
successful _______
Suggested answers :
loneliness; willingness; responsibility; fairness ; equality; poverty
killer; representative; suffering; really; absolutely; successfully
Step 3 Word Study
T: Well, now please open your books at Page 69. Look at tile first part in Word study: Complete the sentences with the words in brackets. Change their forms if necessary. First, let's study the example. Now please complete each sentence and discuss your answers with your partner. At the end, we'll check the answers together.
Suggested answers :
1. killer 2.alarming 4. citizen 5. responsibility 6. representatives 7. suffering 8. willingness
T: Now, let's do the second part. First, you should study the words in the box carefully. Then put them into two categories. At the end, state your reasons.
Suggested answers:
Adverbs: really, unfortunately, absolutely, especially, successfully
Adjectives: lonely, lively, ugly, lovely, friendly
Step 4 Presentation
(Teacher shows the following sentences)
1. Conferences like the Earth Summit help people understand that there exist serious problems and that there is still time to take action.
2. Among the speakers was Chinas then Premier Zhu Rongji, who stressed the need for equality and fairness in the world.
3. Not until we know more will we be able to improve the situation.
4. Only by changing the way we live can we save the earth.
5. Had I known that air conditioners cause so much pollution, I would never have bought one.
6. A better understanding of the environment is necessary, as is the willingness to act.
7. Without international cooperation, developing countries cannot prosper, nor will sustainable development be possible.
T: Now, please look at the sentences and pay attention to the word order of each sentence. In what way are these sentences different from the usual sentences?
Ss: The word order is not “Subject + Verb” but “Verb + Subject” or “Auxiliary/ Modal + S + V”.
(Teacher writes the structures on the Bb.)
T: Yes. This kind of sentence is called Inversion, which happens in questions
生词表: