人教版八年级英语上册《Unit 7 Section A 2a-2d》教学课件PPT初二优秀公开课

1、Unit 7 Section A 2a-2d人教版 英语 八年级 上册 ObjectivesTo learn to make predictions.To learn to express quantities with m e , r o e , e . . . r w e f s sTo live a carbon life to protect our earth. Free talkn. 预言n. 未来Lets make a prediction about the future.He studies at home o_n_c_o_mp_u_t_e_r_s.Lets share mo

2、re fun predictions about the future.直升机式的帽直升机式的帽子子 可以快速地带可以快速地带你你 到达目的到达目的地地 。衣服能自动衣服能自动换换 成时新样式成时新样式。四条腿的裤子保证你随时随地可以休息四条腿的裤子保证你随时随地可以休息。变成一身健康的古铜色皮肤只需几秒钟变成一身健康的古铜色皮肤只需几秒钟。Listen and circle the words you hear.1.There will be (more / less / fewer) people.2.There will be (more / less / fewer) free tim

3、e.3.There will be (more / less / fewer) cars.4.There will be (more / less / fewer) pollution.5.There will be (more / less / fewer) trees.2a1.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 cr

4、owded. _Listen again. Check ()the predictions you hear.2bListen again,write T for true,F for false.1.Here are some students predictions about thefuture.()T2.There will be more cars and subways because of more people.() F3.Less pollution will be good for the earth.(T) 4.Countries will be big and crow

5、ded because there will be a lot more people.( F)Make conversations about the predictions in 2a and 2b.A: Whats your prediction about the future?B: I think there will be more pollution.A: Really? I dont think so. But I think there will be fewer trees.2cThere will be more trees on the _e_a_rt_h_.Which

6、 opinion do you agree?There will be fewer trees in the future.There will be less pollution in the future.There will be more pollution in the future.Nick: What are you reading, Jill? Jill: Its a book about the future.Nick: Sounds cool. So what will the future be like?Jill: Well, cities will be more c

7、rowded and polluted. There will be fewer trees and the environment will be in great danger.2dRole-play the conversation.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 m

8、ore trees.Everyone should play a part in saving the earth.Read the conversation then answer the following questions.1) What is Jill reading?Hes reading a book about the future.2) What will the future be like according to the book?Cities will be more crowded and polluted.There will be fewer trees and

9、 the environment will be in great danger.3) What can people do to save the earth?We can use less water and plant more trees. Everyone should play a part in saving the earth.Read and try torecite theconversation in5-10 minutes.1. Role play the conversation in groups;2. Role play the conversation in f

10、ront of the classLets see which group does the best.Fill in the blanks according to the conversation.Jill is reading a book about the future. Can you imagine what _w_i_l_ the future _b_elike? Cities will be more crowded and polluted. There wil_l_b_e_fewer trees and the environment w i l_l_b_e_in gre

11、at danger.Wil_lwe h_a_v_e_t_o_move to other planets? What can we do to live on the earth? We can use l_e_s_swater and plant mo_r_etre s. Everyone should p_l_a_y_apartin_saving the earth.1. “there be” 句型一般将来时的表达句型一般将来时的表达: : 肯肯定句定句: There will be 名词名词(短语短语)否定句否定句: There will not / wont be 名词名词(短语短语)

12、一般疑问句一般疑问句: : Will there be 名词名词(短语短语)?Yes, there will. / No, there wont.Will there be fewer trees?There will be more people.There wont be money. Everything will be free.意意思思用用法法比较比较级级最高最高级级few一些（否定一些（否定）修饰修饰可数名可数名词词fewerfewestlittle一些（否定一些（否定） 修饰修饰不可数名不可数名词词lessleastmany许许多多修饰修饰可数名可数名词词moremostmuch

13、许许多多修饰修饰不可数名不可数名词词moremost2. fewer与与less及及more表数量的用表数量的用法法例例: a few days ago, for a few weeksHe has few friends here.There will be fewer trees.1) few，形容词，带否定含义形容词，带否定含义“几乎没有，很少的几乎没有，很少的”， 修饰可数名词。其比较级、最高级为规则变化修饰可数名词。其比较级、最高级为规则变化：fewfewerfewest 。 “a few”表示表示“一些一些”。2) Theres little food left. We have

14、to buy some. Theres a little water in the cup.There will be less pollution.little，形容词，形容词, ,带否定含义带否定含义“很少的，几乎没有的很少的，几乎没有的” ” “小的，幼小的小的，幼小的”，修饰不可数名词。其比较级，修饰不可数名词。其比较级、 最高级为不规则变化最高级为不规则变化: : littlelessleast。“a little”表表 一些一些”。3) There will be more people on the earth in the future. More and more stude

15、nts start to exercise more everyday to keep fit.many “许多许多”，修饰可数名词，修饰可数名词。much “许多许多”，修饰不可数名词，修饰不可数名词。many / more 比较级、最高级为不规则变化比较级、最高级为不规则变化：many / much moremost3. play a part in 参与某参与某事事China plays a more and more important part in the world.现在中国在世界上担负着越来越重要的角现在中国在世界上担负着越来越重要的角色色Everyone should pla

16、y a part in protecting the environment.4.Whats your prediction about the future?你对未来有什么预测你对未来有什么预测？prediction是是predict 的名词形式。有的名词形式。有“预言、预料、预测预言、预料、预测” 之意之意。 例如例如：Sales were five percent lower than predicted.销售额比预计的低销售额比预计的低5%。Newspapers predicted that Davis would be re-elected.报纸预测戴维斯将再次当选报纸预测戴维斯将再

17、次当选。5.Everyone should play a part in saving the earth.每个人都应当尽一份力来拯救地球每个人都应当尽一份力来拯救地球。play a part in 是一个固定结构，表示是一个固定结构，表示“参与参与； 在在中尽自己一份力量中尽自己一份力量” 例如例如：She plays an active part in teaching these poor children.她积极参加对这些贫穷孩子的教学工作她积极参加对这些贫穷孩子的教学工作。He didnt play a part in making this decision.他并没有参与做出此决定

18、他并没有参与做出此决定。Summary1) will + do 表将表将来来2) There be 句型的一般将来句型的一般将来时时 Will there be .? No, there wont. / Yes, there will.3) more, less, fewer的用法的用法：可数名词可数名词前用前用more/fewer，不可数名词不可数名词前前用用more/less.I. 根据句意用括号内所给单词的适当形式填空。根据句意用括号内所给单词的适当形式填空。1. There will be more cars in the future. I disagree. I think the

19、re will be _f_e_w_e_r_ ( f e w ) cars.2. I think there will be_r_o_b_ots_(robot)everywhere in 50 years.3. There will be morepollution(pollution) on earth.4. I will have less (little) free time next month than this month.II. 英译汉，并写一写。英译汉，并写一写。1. Will people use money in 100 years?No, they wont.2. Kids wont go to school in the future. Theyll study at home on computers.3. Everyone should play a part in planting trees.4. Th