英語九年級全冊Section A優(yōu)秀ppt課件

這是一份英語九年級全冊Section A優(yōu)秀ppt課件，文件包含第1課時(shí)A1a-2d課件pptx、SectionA第1課時(shí)1a～2d教案doc、U13A2dmp3、Unit13SectionA1b聽力mp3、Unit13SectionA2a聽力mp3、Unit13SectionA2b聽力mp3、U13A2dmp4、U13A2dswf等8份課件配套教學(xué)資源，其中PPT共37頁， 歡迎下載使用。
Section A單詞litter v.亂扔 n.垃圾；廢棄物bottom n.底部；最下部fisherman n.漁民；釣魚的人coal n.煤；煤塊ugly adj.丑陋的；難看的advantage n.優(yōu)點(diǎn)；有利條件cost v.花費(fèi) n.花費(fèi)；價(jià)錢wooden adj.木制的；木頭的plastic adj.塑料的  n.塑料；塑膠cruel adj.殘酷的；殘忍的harmful adj.有害的industry n.工業(yè)； 行業(yè)law n.法律；法規(guī)scientific adj.科學(xué)上的；科學(xué)的afford v.承擔(dān)得起（后果）；買得起takeaway n.外賣食物bin n.垃圾箱shark n.鯊魚fin n.(魚)鰭chain n.鏈子；鏈條ecosystem n.生態(tài)系統(tǒng)reusable adj.可重復(fù)使用的；可再次使用的transportation n.運(yùn)輸業(yè)；短語be harmful to對……有害at the top of在……頂部或頂端the food chain食物鏈take part in參加turn off關(guān)掉pay for 付費(fèi)；付出代價(jià)take action采取行動句型1.We\'re trying to save the earth！我們正在努力拯救地球！2.The air is badly polluted.這里的空氣污染很嚴(yán)重。3. No scientific studies have shown that shark fins are good for health. 沒有科學(xué)研究表明鯊魚鰭對健康有利。4. We should help save the sharks. 我們應(yīng)該幫助拯救鯊魚。Section B單詞recycle v.回收利用；再利用gate n.大門bottle   n. 瓶子president n.負(fù)責(zé)人；主席；總統(tǒng)work n.（音樂、藝術(shù)）作品metal n.金屬napkin n.餐巾；餐巾紙inspiration n.靈感；鼓舞人心的人（或事物）iron n.鐵creativity n.創(chuàng)造力；獨(dú)創(chuàng)性短語throw away扔掉；拋棄put sth. to good use好好利用某物pull…down拆下；摧毀upside down 上下顛倒；倒轉(zhuǎn)bring back恢復(fù)；使想起；歸還句型1. Do you often throw away things you don't need anymore? 你是否經(jīng)常把你不再需要的東西扔掉呢？2. Have you ever thought about how these things can actually be put to good use? 你曾經(jīng)考慮過怎樣將這些東西好好利用嗎？3. The windows and doors come from old buildings around her town that were pulled down. 門窗來自她所住的鎮(zhèn)上被拆除的舊建筑物。4. She opened a small shop where she sells her bags, and she has also set up a website to sell them online. 她開了一家小店賣她制作的包，并且她還開了一家網(wǎng)店出售它們。語法現(xiàn)在進(jìn)行時(shí)；被動語態(tài)；現(xiàn)在完成時(shí)知識目標(biāo)復(fù)習(xí)現(xiàn)在進(jìn)行時(shí)、現(xiàn)在完成時(shí)和被動語態(tài)等的用法。能力目標(biāo)以“保護(hù)環(huán)境”為主題，運(yùn)用本課相關(guān)句型與他人展開討論；能向大家介紹有哪幾種污染類型，怎樣回收利用廢棄物品等。情感目標(biāo)體會到保護(hù)環(huán)境的重要性，學(xué)會保護(hù)大自然、保護(hù)地球，從身邊的小事做起，號召大家參與到保護(hù)環(huán)境的行動中來。【課時(shí)建議】 本單元建議5課時(shí)Section A （1a～2d）……………………………………………………………………………………1課時(shí)Section A （3a～4c）……………………………………………………………………………………1課時(shí)Section B （1a~1e） ……………………………………………………………………………………1課時(shí)Section B （2a～2e）……………………………………………………………………………………1課時(shí)Section B （3a～3b）……………………………………………………………………………………1課時(shí)詞匯短語：主要采用多媒體及圖片展示法。基本句子：采用圖片展示及交際法（利用多媒體展示兩人進(jìn)行交際時(shí)的情景）。語法：復(fù)習(xí)現(xiàn)在進(jìn)行時(shí)、現(xiàn)在完成時(shí)和被動語態(tài)——采用“巧記歌訣”記憶法。被動語態(tài)的用法誰的動作不知道，說出誰做沒必要；承受之人需強(qiáng)調(diào)，被動語態(tài)莫忘了。Section A  第1課時(shí)（1a~2d）類別學(xué)習(xí)重點(diǎn)重點(diǎn)單詞litter, bottom, fisherman, coal, ugly, advantage, cost, wooden, plastic重點(diǎn)短語close down, play a part in, clean up, cut down, instead of, make a difference, lead to重點(diǎn)句式1. It used to be so clean.2. Everyone in this town should play a part in cleaning it up！3. The air has become really polluted around here.4. Well, to cut down air pollution, we should take the bus or subway instead of driving.課前預(yù)習(xí)寫一寫1.垃圾litter            2.底部bottom           3.漁民fisherman4.煤coal               5.丑陋的ugly           6.優(yōu)點(diǎn)advantage7.花費(fèi)cost             8.木制的wooden        9.塑料plastic譯一譯1.關(guān)閉close down              2.參與；起作用play a part in3.打掃干凈clean up            4.減少cut down5.代替instead of               6.起作用；有影響make a difference7.過去常常used to             8.通往；導(dǎo)致lead to背一背1.它過去是那么干凈。It used to be so clean.2.這個(gè)鎮(zhèn)上每個(gè)人都應(yīng)該參與清理河流。Everyone in this town should play a part in cleaning it up!3.這附近的空氣真的被污染了。The air has become really polluted around here.4.為了減少空氣污染，我們應(yīng)該乘公汽或地鐵，而不開車。To cut down air pollution, we should take the bus or subway instead of driving.新課導(dǎo)入There's more and more pollution in the world now, such as noise pollution, air pollution, water pollution and so on. Is there any pollution in your hometown? Please discuss with your partner.新課展示【完成教材1a~1c的教學(xué)任務(wù)】1.要求學(xué)生仔細(xì)看1a的圖片，并完成相應(yīng)練習(xí)。2.請2~3名同學(xué)展示自己的答案，老師可做適當(dāng)?shù)难a(bǔ)充并總結(jié)。3.聽錄音，完成1b的練習(xí)，讓學(xué)生模仿1c中的對話，用1a中的信息編造自己的對話，并請2~3組同學(xué)當(dāng)堂演示。典例參考A: The street was so noisy.B: But it used to be quieter.A: Yes, but there are too many shops playing loud music.B: Everyone in this city should play a part in cutting down noise.【語法提要】1.used toused to為固定結(jié)構(gòu)，意為“曾經(jīng)；過去常常”，表示過去存在或經(jīng)常發(fā)生但現(xiàn)在已經(jīng)停止的行為或習(xí)慣，后接動詞原形。例句：We used to live in London. 我們曾在倫敦居住過。She used to be really quiet, but now she is very outgoing. 她過去真的很文靜，但是現(xiàn)在她很外向。注意：used to不與表示過去的時(shí)間狀語連用。它的否定結(jié)構(gòu)為“主語 + didn't + use to+動詞原形”；它的一般疑問結(jié)構(gòu)為“Did+主語+use to+動詞原形+其他？”或“Used+主語+to+動詞原形+其他？”。例句：She didn't use to / usedn't to come.她過去不常來。Did he use to be a writer？=Used he to be a writer? 他過去是名作家嗎？ 拓展：be / get used to sth. / doing sth.，表示“習(xí)慣于/適應(yīng)于某事/ 做某事”。其中used是形容詞，意為“習(xí)慣；適應(yīng)”。例句：I am used to getting up early. 我習(xí)慣早起。You'll soon get/be used to his sense of humor. 你不久就會適應(yīng)他的幽默感。2.play a part inplay a part in意為“參與某事；在……方面起作用”，后接名詞、代詞或v.-ing形式。play an active part in (doing) sth. “積極參與（做）某事”；play an important part in (doing) sth.“在（做）某事中發(fā)揮重要作用”。例句：She plays an active part in politics. 她積極參與政治活動。I want to play an active part in school activities. 我想積極參加學(xué)?；顒?。Public transportation plays an important part in our daily life. 公共交通在我們的日常生活中發(fā)揮著重要作用。【問題探究】1. There used to be (過去有) so many trees on the hills.2. We should play a part in cleaning (clean) the city up.【完成教材2a~2d的教學(xué)任務(wù)】1.要求學(xué)生翻開課本P98。播放第一遍錄音，完成2a,2b的聽力任務(wù)。2.要求學(xué)生聽第二遍錄音，并逐句進(jìn)行跟讀。3.聽力內(nèi)容鞏固訓(xùn)練。要求學(xué)生根據(jù)所聽到的內(nèi)容完成下列各句。完成后要求若干學(xué)生給出自己的答案，以鞏固對聽力內(nèi)容的理解。(1) The air has become really polluted around there. (2)I used to see the stars clearly.(3)People are also littering in public places.4.大聲朗讀聽力材料。5.播放聽力材料，要求學(xué)生模仿聽力內(nèi)容，利用2a,2b信息談?wù)摽諝馕廴厩闆r，然后邀請2~3名同學(xué)當(dāng)堂表演，看誰的表現(xiàn)最佳。6.兩人一組練習(xí)2d的對話，并讓2~3組同學(xué)當(dāng)堂表演。7.教師根據(jù)學(xué)生的理解對其重難點(diǎn)進(jìn)行講解。【語法提要】1.costcost作動詞，意為花費(fèi)，它的主語只能是物，不能是人。辨析：take, spend, cost與pay四者均用作動詞，表“花費(fèi)”，但其用法卻大不相同。具體區(qū)別如下表：take常用it作形式主語常用于it takes/took sb. some time to do sth.“做某事花費(fèi)某人多長時(shí)間”句型中spend其主語是人常用于spend some time/money doing sth.或spend some time/money on sth.“花費(fèi)時(shí)間/金錢做某事”或“在某事/某物上花時(shí)間/金錢”句型中cost其主語是物常用于sth. cost(s) sb. some money “某事/某物花費(fèi)某人多少錢”句型中pay其主語是人常用于sb. pay(s) some time/money for sth.“某人為某物花費(fèi)多少時(shí)間/金錢”句型中 instead of作介詞短語，意為“代替;而不是”，后面常跟名詞、代詞或v.ing形式。instead of doing sth.意為“代替做某事”。例句：She went to school instead of staying at home. 她沒有待在家里而是去上學(xué)了。辨析：instead of與insteadinstead of介詞短語，其后可跟名詞、代詞或v.-ing形式。We can take a bus to work instead of driving. 我們可以坐公交車而不是開車去上班。instead副詞，常位于句末，位于句首時(shí)，其后有逗號。He didn't reply. Instead, he left the room.他沒回答，反而離開了房間。【問題探究】(A)1.（山東青島中考）—How much is the ticket to Central Park?—A one-way ticket______$40, and you can_____ another $20 for a round-trip.A. costs; pay   B. cost; spend      C. pay; spend      D. spends; pay(B)2. We went to climb mountains _______going shopping.A. instead     B. instead of       C. prefer to        D. take the place活學(xué)活練（A）1.(貴州黔西南州中考)Maria         watch TV, but now she        listening to music.A. used to; is used to         B.is used to; used toC. used to; used to           D.is used to; used to （C）2.Everyone should play a part in            the environment.A. protect    B. protects     C. protecting    D. protected（B）3.(湖北十堰中考)—Smart phones are more and more popular now.—So they are. But they still _______ too much.A .pay      B. cost        C. take          D. spend（C）4.We should be grateful(心存感激的) for what's right instead of______about what's wrong.complain   B. complains    C. complaining      D. complained布置作業(yè)：教師引導(dǎo)學(xué)生課后完成本課時(shí)對應(yīng)練習(xí)，并預(yù)習(xí)下一課時(shí)內(nèi)容。教學(xué)反思本課時(shí)通過聽、說、讀、寫訓(xùn)練讓學(xué)生對污染的詞匯及其相關(guān)的語言知識有了初步的掌握，并能聽懂和表達(dá)有關(guān)污染的現(xiàn)象、導(dǎo)致污染的原因及治理措施。教學(xué)過程中老師的疑問：教師點(diǎn)評和總結(jié)：