英语九年级全册Section A完整版ppt课件

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1. Curriculum wrds: litter, bttm, fisherman, cal, ugly, advantage, cst, wden, plastic, takeaway, bin
4. Sentences: ① Even the bttm f the river was full f rubbish. ② The air has becme really plluted arund here. ③ The river used t be s clean.
3. Functins: Talk abut pllutin and envirnmental prtectin.
2. Expressins: cut dwn, instead f, play a part in, make a difference, lead t
Watch the music vide and talk abut yur feelings.
Prtect Nature
Prtect the Earth
Prtect the envirnment
water pllutin
air pllutin
nise pllutin
What can yu see in the pictures in 1a?
Pre-listening
Here are sme wrds related t different kinds f pllutin. Write them in the bx belw. Then add mre wrds.
lud music cars rubbish planes littering ships factries smking building huses mbile phnes
nise pllutin______________________________________________________________________________________________________________
air pllutin______________________________________________________________________________________________________________
water pllutin______________________________________________________________________________________________________________
litter v. 乱扔 n. 垃圾；废弃物
rubbish n. 垃圾；废弃物
lud musicplanesbuilding husesmbile phnes(machines, crwds)
carsfactriessmkingbuilding huses (burning, pwer plants)
rubbishlitteringshipsfactries(sewage, pesticides)
Read and try t predict the answers.
请认真阅读句子，分析每空应填词性，预测所填内容
n. 底部；最下部 反义词是tp (顶端；顶部)
fisherman n.渔民；钓鱼的人
Listen and cmplete the sentences.
While-listening
really dirty
Listen again and answer the questins.
He wants t g swimming in the river.
Because the river was really dirty. Even the bttm f the river was full f rubbish, and there were n mre fish fr fishermen t catch.
It used t be s clean.
2. Why desn’t Mark want t g with Tny?
What des Tny want t d later this afternn?
3. Hw was the river in the past?
Listen and read.
Pst-listening
Tny: Hey, Mark, maybe we culd g swimming in the river later this afternn. Mark: I dn’t think I want t g, Tny.Tny: Why nt?Mark: I was there last weekend and the river was really dirty. Even the bttm f the river was full f rubbish, and there were n mre fish fr fishermen t catch.Tny: N way! It used t be s clean. In fact, it has always been the nicest river in this twn.
曾经……; 过去经常……
Mark: Nt anymre. I think peple are thrwing litter int the river. Factries are als putting waste int the river.Tny: That’s terrible! We shuld write t the gvernment. They shuld clse dwn the factries. Mark: Gd idea! But I think everyne in this twn shuld help t clean up the river, t. Everyne shuld play a part, nt just the gvernment.
参与；扮演角色；起作用
Rle-play the cnversatin. Then make yur wn cnversatins abut the kinds f pllutin in 1a.
Mark: The river was dirty. Even the bttm f the river was full f rubbish.Tny: But it used t be s clean!Mark: Yes, but peple are thrwing litter int the river.Tny: Everyne in this twn shuld play a part in cleaning it up!
参与……；在……方面起作用；在……中扮演角色
Hunt the wrds.
全班分为四个大组，每组选择一个上面（2a）所列的主题，根据主题开展词汇接力，每个人必须说出与前一个同学说的词汇有关联的单词或者短语，看看哪一个组能在规定时间（2分钟）内说出最多的相关词汇。
A. land pllutin B. air pllutin C. nise pllutin D. water pllutin
land pllutin
一分钟时间回顾本组同学所列词汇，写在笔记本上，看看哪个同学能在规定时间内写出最多的词汇。
Listen t the interview. Circle the kinds f pllutin that Jasn and Susan talk abut.
A. land pllutin B. air pllutin C. nise pllutin D. water pllutin
1. The air is badly plluted because there are _____________ n the rad these days.2. Factries that burn cal als ___________ the air with a lt f black smke.3. There is als t much rubbish and waste. Peple __________ things every day.4. Peple are als littering in ________________ like parks. This is turning beautiful parks int ugly nes.
Listen again and cmplete the sentences.
1. The air is badly plluted because there are _____________ n the rad these days.2. Factries that burn cal als ___________ the air with a lt f black smke.3. There is als t much rubbish and waste. Peple ________________ things every day.4. Peple are als littering in ________________ like parks. This is turning beautiful parks int ugly nes.
are thrwing away
public places
Interviewer: Tday we’re talking t Jasn and Susan abut envirnmental prblems. Jasn and Susan, can yu tell us abut sme f the prblems yu’ve seen?Jasn: I think ne prblem is that the air is badly plluted. I hardly ever see blue skies anymre.Susan: Yes, and I used t see the stars clearly.
Interviewer: What d yu think has caused this prblem?Susan: Well, there are mre cars n the rad these days.Jasn: And factries that burn cal als pllute the air with a lt f black smke.Interviewer: What ther prblems d yu see?Susan: I guess there’s t much rubbish and waste in the streets.
cal n. 煤；煤块
Jasn: Yes! Every day peple are thrwing away things like wden chpsticks, plastic bwls and plastic bags.Susan: They’re als littering in public places, fr example, during picnics in parks. This is turning beautiful places int ugly nes.Interviewer: Yu’re right. These are serius prblems fr ur envirnment. Next, let’s talk abut the things we can d t help.
ugly adj. 丑陋的；难看的
wden adj. 木制的；木头的
plastic adj. 塑料的 n. 塑料；塑胶
Use the infrmatin in 2a and 2b t rle-play cnversatins between Jasn and Susan.
The air has becme really plluted arund here. I’m getting very wrried.
Yes, I used t be able t see stars in the sky.
The prblem is that ...
We shuld walk, ride the bike, take the bus r subway instead f driving.
What are yur ideas fr slving the prblem f air pllutin ?
instead f 代替；而不是
We shuld plant mre trees.
Use yur wn chpsticks when yu buy takeaway fd.
takeaway n. 外卖食物
What are yur ideas fr slving the prblem f waste pllutin ?
We shuld bring a bag when we g shpping.
We shuldn’t use plastic bags and thrw them everywhere.
We shuld thrw rubbish in the（right）bins.
Read the cnversatin in 2d and fill in the chart.
Ride a bike, take the bus r subway instead fdriving.
Bring a bag t g shpping. Dn’t take wden chpsticks r plastic frks when yu buy takeaway fd.Thrw rubbish in the bins.
Interviewer: Jasn and Susan, what are yur ideas fr slving these prblems?Jasn: Well, t cut dwn air pllutin, we shuld take the bus r subway instead f driving.Susan: Yeah, r ride a bike. There are ther advantages f bike riding. It’s gd fr health and it desn’t cst anything!Interviewer: Great ideas! What abut waste pllutin?
Rle-play the cnversatin.
Susan: Mmm, I think simple things like bringing a bag t g shpping can help. I started ding that a year ag.Jasn: Me, t. Als, I never take wden chpsticks r plastic frks when I buy takeaway fd. I use the nes at hme.Susan: And remember t thrw rubbish in the bins and keep public places clean and beautiful fr everyne.Interviewer: S tgether, ur actins can make a difference and lead t a better future!
remember t d sth. 记得去做某事
有作用；有影响 difference前可用big等词修饰
make a difference t 对……有影响或作用
1. There are ther advantages f bike riding. (教材P98 2d)
advantage /ədˈvɑːntɪdʒ/, /ədˈvæntɪdʒ/ n. 优点；有利条件
advantage作名词，其反义词为disadvantage“缺点；不利条件”。take advantage f ... 意为“利用”。Befre making yur decisin, yu shuld cnsider the advantages and disadvantages. When pssible, take advantage f this time t enjy the nice weather.
Language pints
2. It’s gd fr health and it desn’t cst anything! (教材P98 2d)
cst /kɒst/, /kɔːst/ v. 花费
cst在此处作动词，过去式和过去分词均为cst。The watch cst me 200 yuan. 【拓展延伸】cst还可作名词，意为“花费；价钱”。Culd yu tell me the cst f the trip?
【易混辨析】cst, spend, take与pay
（宜昌中考）— There are a lt f ______ f bike riding.— I agree. It’s gd fr the envirnment and it saves mney. A. instructins B. instrumentsC. advantages D. prducts（包头中考）My teacher has given me useful suggestins and I want t thank him frm the _______ f my heart.A. bttm B. cnditin C. way D. surface
If n ne (litter), the park will be very clean.（临沂中考）Every year, abut 6.5 millin peple die because f air (pllute).The man is carrying a small black (塑料的) bag.Sme ______________ (渔民) went t the beach t see what happened.Althugh he has an (难看的)face, he has a kind heart.Shanxi Prvince prduces the mst (煤) in China.
二、根据汉语提示写出单词或用所给单词的适当形式填空
三、根据汉语提示，完成句子(每空一词)
（兰州中考）人类砍伐树木，因此动物处于极大的危险之中。Peple ____ _____ many trees, s animals are in great danger.我们的行动会产生很大的影响。Our actin will ______ ____ ____ _________.他们打算骑自行车，而不是开车。They’re ging t ride a bike _______ _____ driving a car.（黄冈中考）每个人都应该在环保方面发挥作用。Everyne shuld______ ___ ____ __ the envirnmental prtectin.
make a big difference
cut dwn
instead f
play a part in