课件21张PPT。Section A (2a-2d)Unit 7
Will people have robots?教学目标一、能掌握以下单词: pollution，prediction，future，pollute,environment，planet，earth，plant，part；make predictions, play a part ,what else, in great danger, on the earth, save the earth.
二、学会运用there be句型的一般将来时和will 构成的一般将来时态对未来进行预测。
三、学会运用“more, fewer, less”比较多少。教学重难点：重点：
学会运用there be句型的一般将来时和will 构成的一般将来时态对未来进行预测。难点：
学会运用“more, fewer, less”比较多少。paper['pe?p?r] 纸 pollute[p?'lu?t] 污染
pollution [p?'lu??n] 污染物 environment [?n'va?r?nm?nt] 环境planet ['pl?n?t] 行星 New Wordsearth[??rθ] n.地球；泥土 plant [pl?nt] 种植，植物peace [pi?s]和平part [pɑ?rt] 参加，部分
play a part 参与 导：Do you know if the water in your home is clean ? Can it be drunk?知识链接思：1)There__________ (be) many robots in the school in the future.
2)The kids __________(go) to school by schoolbus next term.
3)_____Mr. Smith_____ (come) to see you tomorrow morning?
4)We __________ (have) a good time at the party next Sunday.will bewill gowill comewill have2aListen and circle the words you hear.1. There will be (more / less / fewer) people.
2. There will be (more / less / fewer) free time.
3. There will be (more / less / fewer) cars.
4. There will be (more / less / fewer) pollution.
5. There will be (more / less / fewer) trees.展2bListen again. Check (√) the predictions you hear._____ 1. There will be fewer people.
_____ 2. There will be less free time.
_____ 3. People will use the subways less.
_____ 4. There will be more pollution.
_____ 5. Cities will be very big and crowded.√√展基础感知思：(1) fewer译为______，是______的比较级，修饰_______ (复数/不可数) 名词。
(2) less译为_______，是_______的比较级，修饰______ (复数/不可数)名词。
(3) more译为______，是_______或______的比较级，修
饰_______________ (复数/不可数)名词
1. Tom has _______ (few; fewer) Christmas cards than I.
2. They believe that there will be ______ (less; fewer) green trees in fifty years.
3. He is ill and he can eat ________ (more; less) food, so he gets quite weak.
4. David has _______ (less; fewer) money than Anna has.根据2a,2b句子，请你来总结一下：fewlittle复数更少lesslessfewerfewermany much更少不可数更多复数/不可数PairworkMake conversations about the predictions in 2a and 2b. What’s your prediction about the future?I think there will be more pollution.2cReally? I don’t think so. But I think there will be fewer trees.展What’s your prediction about the future?I think cities will be very big and crowed.Sure. I agree with you. And I think there will be more pollution.2d Role-play the conversation.
Nick: What are you reading, Jill?
Jill: It’s a book about the future.
Nick: Sounds cool. So what will
the future be like?
Jill: Well, cities will be more
crowded and polluted.
There will be fewer trees
and the environment will
be in great danger.Nick: That sounds bad! Will
we have to move to other
planets?
Jill: Maybe. But I want to live
on the earth.
Nick: Me, too. Then what can we do?
Jill: We can use less water and plant more trees.
Everyone should play a part in saving the
earth.1. What will the future be like in the book? 2dRead the conversation and answer the questions.Cities will be more crowed and polluted. There will be fewer trees and environment will be in great danger. 展2. What can people do? We can use less water and plant more trees. Everyone should play a part in saving the earth. 议：1. 数量比较句型，是什么样的？
2.应注意什么？数量比较的句式数量类形容词，在比较级中，常常用作定语，不用作表语，如：
I have more books than you. 我的书比你的书多。
There are more apples in the basket than in that one. 这个篮子里的苹果比那个篮子里的苹果多。
因此，数量比较的句式可概括为：
A + have + more / less / fewer + 名词 than B
There be + more / less / fewer + 名词 + sp + than + sp.评：1Everyone should play a part in saving the earth. 每个人都应该参与保护地球。(1) play a part意为“参与（某事）”，如：We play a part in protecting our city.
我们参与保护我们的城市。(2) play a part in另指“在……中起作用”。如： Luck played a part in his success.
在他的成就中幸运起了一部分作用。评：21. Few people can _________150 years old.
2. Mr. Smith will __________ a village next week. He can’t stand the noise in the city.
3. We should help these animals. They’re ____________.
4. Mike also ___________ in yesterday’s discussion.
5. Lisa ________ stay at home studying every night.根据句意，从方框中选择恰当的短语填空，
有的需要变换形式。play a part, in great danger,
move to, have to, live to be检：1live to bemove toin great dangerplayed a parthave to1.At first, there is ______ water in the cup,
after drinking, there is _____ water in the cup.
A.few, a few B.a few, few
C.little, a little D.a little, little
2.After the heavy rain, _____ trees are dry.
A. few B.a few C. little D. a little
3.(2013·青岛中考)Dave has friends here, so he often stays at home by himself and feels lonely.
A. many B. a few C. few D. several
4. (2013·北京中考)Mr. Green, a famous writer,
our school next week.
A. visited B. visits
C. was visiting D. will visitThank you,everyone!Bye-Bye
