人教新目標(biāo)版九年級(jí)英語(yǔ)Revision of Unit 13 We're trying to save the earth課件PPT

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Unit 13 We're trying to save the earth!人教版九年級(jí)全一冊(cè)復(fù)習(xí)Learning aims1. Review the words, phrases ,grammar, and language points of Unit 13.2. Try to write a short passage according to the writing outline.3. After reviewing, we can talk about pollution and environmental protection. Learn how to protect the environment.Lead inEnjoy a videoWordsGuide One Read and Recitev. 亂扔 n. 垃圾；廢棄物n. 底部；最下部n. 漁民；釣魚(yú)的人n. 煤；煤塊adj. 丑陋的；難看的n. 優(yōu)點(diǎn)；有利條件litterbottomfisherman coaluglyadvantagev. 花費(fèi) n. 花費(fèi)；價(jià)錢(qián)adj. 木制的；木頭的adj. 塑料的 n. 塑料；塑膠adj. 殘酷的；殘忍的adj. 有害的n. 工業(yè)；行業(yè)cost woodenplastic cruelharmfulindustry引發(fā)/ 解決問(wèn)題影響；有作用關(guān)掉切除對(duì)……有害在……頂部或頂端cause/ solve the problem make a difference turn offcut offbe harmful toat the top ofPhrases參加代替；而不是采取行動(dòng)公共交通扔掉；拋棄好好利用某物拆下；摧毀take part ininstead oftake actionpublic transportationthrow awayput sth. to good usepull... down上下顛倒；倒轉(zhuǎn)獲獎(jiǎng)建立因……而聞名看起來(lái)像恢復(fù)；使想起；歸還由……制成upside downwin a prizeset upbe known/ famous forlook likebring backbe made from/ ofListeningListening Tips： 1. Read quickly before you listen to it;2. Catch the key words. Listen and complete the sentences . dirtyrubbishfishlitterwastegovernmentclose downclean upGuide Two Review and Summary現(xiàn)在進(jìn)行時(shí): Present progressive結(jié)構(gòu): be (am/is/are) + v.-ing標(biāo)志詞：look, listen, now, right now…e.g. Look! The boy is crying.定義：表示說(shuō)話(huà)時(shí)(瞬間)正在進(jìn)行的動(dòng)作, 也表示目前或現(xiàn)階段正在進(jìn)行的動(dòng)作。 結(jié)構(gòu): has/have + 過(guò)去分詞標(biāo)志詞：already, yet, ever, never, since, for…e.g. I haven’t finished my homework yet.定義：表示動(dòng)作已經(jīng)完成, 但對(duì)現(xiàn)在造成影響; 或者表示從 過(guò)去某一時(shí)間開(kāi)始一直延續(xù)到現(xiàn)在并還可能持續(xù)下去的動(dòng)作。 現(xiàn)在完成時(shí): Present perfect被動(dòng)語(yǔ)態(tài)：Passive voice定義: 表示主語(yǔ)是動(dòng)作的承受者，即行為動(dòng)作的對(duì)象的一種 語(yǔ)態(tài)。結(jié)構(gòu)：be + 過(guò)去分詞e.g. A new school was built last year. Our classroom is cleaned every day.used to do sth. 表示過(guò)去常常做某事, 而現(xiàn)在往往不做了, 后接動(dòng)詞原形。be used to doing sth. 表示習(xí)慣于做某事e.g. I used to get up at six o'clock. Joe is used to drinking a cup of coffee every morning.used to do與be used to doing情態(tài)動(dòng)詞具有一定的意義，但不能單獨(dú)作謂語(yǔ)，其后需接動(dòng)詞原形一起構(gòu)成句子的謂語(yǔ)。(除have to以外)沒(méi)有人稱(chēng)和數(shù)的變化情態(tài)動(dòng)詞常見(jiàn)的情態(tài)動(dòng)詞有：can, may, must, need, have to, could, should, ought to 情態(tài)動(dòng)詞的常見(jiàn)用法We can do it by ourselves.It must be Tom’s. Look at his name on the cover. 3. May I see your ID card, sir?4. Should we finish our homework before noon?表能力表推測(cè)表請(qǐng)求、許可表應(yīng)該1. noise pollution 噪音污染pollution為不可數(shù)名詞，意為“污染；污染物”，其動(dòng)詞形式為pollute。noise為名詞，意為“噪音”，形容詞形式為noisy【辨析】noise, sound與voice意為“噪音，喧鬧聲”，常指不悅耳、不和諧的嘈雜聲。泛指自然界的各種聲音。一般指人的嗓音，如說(shuō)話(huà)、唱歌、談笑聲等。2. instead of 意為“代替，而不是”，后面常跟名詞、代詞或動(dòng)詞-ing形式。instead of doing sth. 代替做某事【辨析】 instead of 與 instead介詞短語(yǔ)，其后可跟名詞、代詞或v-ing形式。Now I can drive to work instead of walking.副詞，常位于句末，位于句首時(shí)，其后有逗號(hào)。He didn’t reply. Instead, he left the room.3.【辨析】take part in , join與 join in指參加某項(xiàng)活動(dòng)（比賽）并在活動(dòng)中起一定的作用。指參加某黨派、團(tuán)體或參軍等，并且成為其中的一員。指參加某項(xiàng)活動(dòng)，但多指正在進(jìn)行的活動(dòng)。4. Our actions can make a difference and lead to a better future!make a difference 起作用；有影響make a difference to ... 對(duì)……產(chǎn)生影響注意：difference前面可加修飾語(yǔ)，如big, great等，表示受影響的程度。make no difference 沒(méi)有影響make all the difference 關(guān)系重大；大不相同5. away作副詞時(shí)，常見(jiàn)短語(yǔ)有：get away 逃脫；（使）離開(kāi)go away 離去；出去run away 逃走；離開(kāi)stay away 不在家；外出take away 拿走；帶走，奪去move away 搬到別處去??；離開(kāi)throw away 扔掉；拋棄6. Have you ever thought about how these things can actually be put to good use?put sth. to good use 好好利用某物【拓展】與put有關(guān)的短語(yǔ)：put off 推遲put away 收拾起來(lái)put down 寫(xiě)下；記下put on 穿上；上演put out 撲滅；熄滅put aside 儲(chǔ)存；保留Guide Four Exercises1. He _____ go out with his parents, but now he _____ staying at home alone. A. used to; is used to B. is used to; used to C. used to; used to D. is used to; is used to2. The interesting book _____ me 10 yuan. A. took B. paid C. spend D. cost一、單項(xiàng)選擇。3. We must do something useful to ____ pollution. A. cut off B. cut up C. cut down D. cut in4. Smoking can ____ lung cancer. You’d bettter give it up. A. work on B. lead to C. take away D. put out二、根據(jù)首字母、句意及漢語(yǔ)提示寫(xiě)出所缺單詞。I think Jane's kite is beautiful. However, Tina’ s is ________ (難看的).2. As you can see, our desks are ________（木做的），not plastic.3. There are tea leaves in the ________（底部）of my cup.4. People who drop ________（垃圾）can be fined( 罰款) in some cities.5. She had the ___________（優(yōu)點(diǎn)）of a good education, so she got the job.uglywoodenbottomlitteradvantageGuide Five WritingTopic: To protect the environment 文章結(jié)構(gòu)提出問(wèn)題 + 描述現(xiàn)象What's the problem?分析原因 What caused the problem?提出解決方法 What should we do?呼吁大家共同努力解決問(wèn)題Let's take action!　略寫(xiě)略寫(xiě)詳寫(xiě) How to keep our city clean ________________________________________________________ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ Our city used to be a green city. But now some pollution gets into the environment. So it is very necessary to protect the environment now. But how to keep our city green? Firstly, we shouldn’t pollute the environment. We should stop littering around. And we should separate the waste before we throw it into the bins. Secondly, it’s better to plant more trees to make the air cleaner. Besides, we should save water and electricity. In a word, if everyone makes a contribution to building a green city, our city will be greener. Let's take action!　Guide Six Summary and Homework1.Go on reciting the whole words, phrases and sentences of Unit 13.2. Try your best to recite 2d again after class.3. Finish the exercise books . Words and PhrasesGrammar FocusWritingLanguage PointsThanks