九年級英語總復(fù)習(xí)教案B3U6.doc

1、九年級英語總復(fù)習(xí)教案B3U6 授課人：郭禮文 時間： 班級：一、目的再現(xiàn)在本單元中要求學(xué)生對在前面五單元中所學(xué)過的知識做一次全面的回憶和總結(jié)。復(fù)習(xí)、歸納一般過去時態(tài)和如今完成時態(tài)，進(jìn)一步學(xué)習(xí)動詞不定式和賓語從句?？梢詤^(qū)別 have been與 have gone的用法；重點(diǎn)學(xué)習(xí)課文"Under the sea"，明白How important is the sea to our life？通過利用puter去尋找一些information，進(jìn)一步熟悉有關(guān)如何操作計(jì)算機(jī)的術(shù)語；掌握數(shù)詞的用法和類似 thousands of短語的用法。通過該單元的學(xué)習(xí)，要使學(xué)生明白海洋對于我們

2、人類的重要，人類與自然應(yīng)當(dāng)和諧相處，并盡力保護(hù)它的環(huán)境。二、重點(diǎn)難點(diǎn)解析1.Not too long ago, people couldnt go scuba ping on Hainan Island, or anywhere else.不久以前，在海南和其他地方人們還不能進(jìn)展?jié)撍\(yùn)動。else 形容詞，意思為“別的；其他的”，無比擬級。它常接在疑問代詞，不定代詞后面。如： Beside the weather, what else did he say? 除了天氣，他還說了些什么？ Who else is ing? 還有別人來嗎？ Anything else I can do for yo

3、u? 我還能為你做些別的事嗎？2.This is because there was no machine allowing a person to peathe under water for a long time.這是因?yàn)闆]有供人水下呼吸很長時間的機(jī)器。allow sb.to do sth.意思為“允許某人做某事”。 相當(dāng)于賓語時，必須接不定式。如：They dont allow children to go into that room.= They dont let children to into that room.他們不允許孩子進(jìn)入那個房間。I allowed him to u

4、se my room.= I let him use my room.我讓他使用我的房間。當(dāng)allow后接不接人稱代詞或名詞時，后面的動詞須用 ing 形式，而不能用不定式。如：My parents dont allow us to smoke.Smoking is not allowed both at home and at school.我父母不允許吸煙。注意：這一用法中的allow不能用let交換。3.In 1943 Jacques Cousteau and his friend made it possible by inventing the scuba machine.1943年

5、雅克-庫斯托和他的朋友創(chuàng)造了水下呼吸器，才能使這成為可能。make在這里是“使得”的意思，后接不帶to的動詞不定式?！癿ake sb.do sth.” 意為“讓 / 使得某人做某事”。make后還可以跟形容詞作賓補(bǔ)。如：The boss made the workers work twelve hours a day.老板讓工人們一天工作十二小時。His mother was ill.This bad news made him sad.他的母親病了，這個壞消息使他很難過。4.He was amazed at all the colours, and all the beautiful fis

6、h.他對五顏綠色和各種美麗的魚感到驚奇。amazed 使某人感到驚奇。She amazed us by dancing so beautifully.Thats why we enjoyed every minute of the party.她舞跳得如此美，使我們很驚奇，這也使我們聚會時度過了美妙光陰。be amazed at / by 感到驚奇。如：We are amazed at the changes in Beijing.I cant even find where my old house is.北京的變化使我們感到驚奇。我?guī)缀跽也坏脚f房子了。She was amazed by w

7、hat she saw in China.She is now planning to ping her whole family here ne_t month.她在中國所見到的情景使她感到驚奇。她正打算下個月把家人都接來。5.However, when he returned some years later, the colourful coral reefs were dead and grey.然而，多年以后，當(dāng)他回來時，艷麗多彩的珊瑚礁已經(jīng)死了，變成灰色的了。however conj.然而；可是；不過；但是Certainly he agreed.However, I wont ag

8、ree,他當(dāng)然同意了，然而我不同意。注：however與but的區(qū)別在于，前者較為正式，but不能置于句首，而however 可以置于句首，句中或句末。置于句中時，前后用分號隔開的情況較多。6.Since water covers most of the earth, Corsteau knew we should keep the seas clean.由于水覆蓋了地球的大局部，庫斯托知道我們應(yīng)該保持海洋清潔。1since與because的區(qū)別在于，since常用于指眾所周知的原因，而Because常用來答復(fù)Why的提問。Since we are young, we should do mo

9、re for our country.既然我們年輕，我們應(yīng)當(dāng)多為國家做事。 Why is Kate absent? 凱特為什么遲到了？ Because she is ill.因?yàn)樗×恕?本句中cover的用法，意思是“用遮蓋；覆蓋”。Snow covered the ground.雪覆蓋了地面。She cried and covered her face with her hands.她哭了，用手蒙住了臉。The desk was covered with dust.= Dust covered the desk.書桌上布滿了灰塵。7 , he encouraged everyone to

10、take part in protecting our lakes, rivers, seas and oceans.，他鼓勵每個人參加到保護(hù)我們的河流、湖泊和海洋的行動中來，take part in意為“參加活動”一般表示在活動中還承當(dāng)一定的職責(zé)。He always takes an active part in all kinds of activities in school.他總是積極參加學(xué)校各種活動。join也有參加的意思，但是該詞主要強(qiáng)調(diào)參加某項(xiàng)組織。如：He joined the party when he was eighteen years old.他十八歲就入了黨。8. b

11、ut Ive gone scuba ping. So have I. 但是我去潛水了。 我也去了。“Sobe/情態(tài)動詞/助動詞主語”這種簡單構(gòu)造表示“某人也”如：I like green very much.So does Lily.我喜歡綠色，莉莉也喜歡。Tom can swim, so can I.湯姆會游泳，我也會游。She is a student.So are they.她是學(xué)生，他們也是。I went to the zoo yesterday.So did Mary.昨天我去了動物園，瑪麗也去了。so主語be/情態(tài)動詞/助動詞，這種構(gòu)造強(qiáng)調(diào)“確實(shí)如此”。如：Her husband is English.So he is.他丈夫是英國人。是的，他是。Tom studies very hard.So he does.湯姆學(xué)習(xí)很努力。是的，他確實(shí)很努力。She passed the e_am.So she did.她通過了這次考試。是的，他確實(shí)通過了。9.Ive been down as long as two hours.我在水下待了兩小時之久as long as 長達(dá)It took us as long as four hours to get over the mountai