7BUnit 3-unit4 最新廣州、深圳滬教版牛津英語七年級(jí)下冊(cè)教案

7B Unit 3 Our Animal Friends重點(diǎn)單詞、短語Blind adj.失明的，瞎的radio n.收音機(jī)Programme n.計(jì)劃，項(xiàng)目Helpful adj.有用的Helpless無用的Rescue v.援救Mean v. 表示的意思Allow v.允許Finally adv. 最后，終于Airport n.機(jī)場(chǎng)Pet n.寵物Apologize v. 道歉Lead 領(lǐng)導(dǎo)Bark 吠叫，咳嗽Wake 叫醒，喚醒Towel 手巾，毛巾Bottom 底部，末端Appear 出現(xiàn)Climb 攀登arrive at 到達(dá)by oneself 獨(dú)自的，單獨(dú)的lead sb. to 帶著某人到fall asleep入睡wake up醒來，喚醒get down 下來，沮喪fire engine 消防車重點(diǎn)句型1.I think.are very helpful animals. They help us.2.Without ., we cannot.3.We get . from.詳細(xì)講解：1.No one helped us.沒有人幫我們。No one 只用于“沒有人”，后面不跟“of”，作主語時(shí)，謂語動(dòng)詞用單數(shù)，而且只能回答“who”開頭的問句。同義詞：nobody。Who are you speaking to？no one.none“沒有什么人/東西”表示對(duì)三者或三者以上全部否定的不定代詞，謂語動(dòng)詞單復(fù)數(shù)都可用，可以用開回答“how many”、“how much”的提問，也可以與of連用。反義詞：allHow many students are there in the room？none2. It is in front of a TV.它在電視機(jī)前面。（復(fù)習(xí)）in front of指在某一范圍以外的前面，反義詞是behindin the front of指在某一范圍內(nèi)部的前面，反義短語是at the back of Tom is just sitting in the front of the car, and her friend Mary is standing in front of the car. 湯姆正坐在汽車的前座，而她的朋友瑪麗站在汽車的前面。3. hear some noise。聽到響聲Noise n.噪音 adj.noisy 吵鬧的，嘈雜的 noisily adv.吵鬧地noise指令人不愉快的“噪音”Dont make so much noise。sound指能聽到的任何聲音（人、動(dòng)物、自然界）At midnight he heard a strange sound。voice主要指人的嗓音，說話、唱歌，也可以指動(dòng)物的“叫聲” Liangying Zhangs voice is sweet. 7B Unit 4 save the trees. 重點(diǎn)單詞Save 節(jié)約，節(jié)省 pine n.松樹 discuss v.討論，談?wù)揃ranch n.樹枝，分歧 root n.根，根源 fight v.與戰(zhàn)斗Against 反對(duì)，違反 example 例子 harmful 有害的gas 氣體，毒氣 produce n.農(nóng)產(chǎn)品 oxygen n.氧氣major 主要的 convenient adj.方便的 furniture 家具imagine想象，想到 disease n.疾病 dig v.挖Hole n. 洞 carry 拿，搬運(yùn) container n.容器必背短語：take in 吸收 come from來自 for example例如in fact實(shí)際上，事實(shí)上 look around四周環(huán)顧 (be) made of 由組成 millions of 數(shù)以百萬的 (be) good for對(duì)有害 仔細(xì)講解：1. If I plant this seed in the ground，will it become a pear tree，Hi？（page43） 由if 引導(dǎo)的條件狀語從句，表示”如果”,如果主句（包括祈使句、含有情態(tài)動(dòng)詞can、may、must）用一般現(xiàn)在時(shí)，從句也要 用一般現(xiàn)在時(shí)；主句用過去時(shí)，從句也要用過去的某種時(shí)態(tài)，如果主句是一般將來時(shí)態(tài)，從句要用 一般現(xiàn) 在時(shí)表示將來。2.They help fight against pollution.（page44）Fight vi. 與.斗爭(zhēng)，常與介詞against或with連用。如：They fought against the enemy fiercely擴(kuò)展：fight vt.戰(zhàn)斗，反對(duì)，可直接跟賓語。如：They fought their enemies bravely. 他們勇敢殺敵擴(kuò)展：against prep. 意為“，違背，違抗；緊靠，防備”。Be against反對(duì)，be for 贊同如：We take out umbrella just against a rainy day.我們帶上雨傘以防雨天。3.They take in harmful gases from the air and produce oxygen for us to breathe.（page45）harmful adj. 有害的; harm n. vt. 損害；傷害；危害; harmless adj.無害的，不致傷的. 如：Its harmful to your eyes to read in the dark. Noharmwould come tous. produce vt. 產(chǎn)生，生產(chǎn)。也可以作為不可數(shù)名詞，意為：產(chǎn)品，農(nóng)產(chǎn)品。produce不可數(shù)n.“農(nóng)產(chǎn)品”或“自然產(chǎn)品”的總稱，The farmers brought their produce to town early each Saturday duct可數(shù)n.“產(chǎn)物，產(chǎn)品”，多指工業(yè)產(chǎn)品，亦可指任何體力勞動(dòng)或腦力勞動(dòng)所生的東西或發(fā)源于其它事物的東西Machinery, cars, ships are all industrial duction不可數(shù)n.“生產(chǎn)，制造”。指生產(chǎn)的行為。也可指“產(chǎn)量”。The company is famous for the production of small cars.4.A lot of the furniture is made of wood.（page45）Furniture 不可數(shù)名詞，家具。 a set of furniture一套家具; 一件家具apieceoffurniture。成品+be made in+地點(diǎn)產(chǎn)于某地原料+be made into+成品被制成成品+be made of+ 原料（看得出，物理）由制成成品+be made by+制造者被制造成品+be made from+原料（看不出，化學(xué)）由制成My piano is made in Beijing. The birthday cake is made by my mother.The table is made of wood. Wine is made from grapes.Grapes are made into wine. The bike is made in China.（記憶順口溜：物質(zhì)不變用of，物質(zhì)變化是from）5.I cant imagine a world without trees.（page45）Imagine vt. 想像；猜想；臆斷. 后面可跟名詞,代詞,動(dòng)名詞和從句作賓語。Imagine指設(shè)想與事實(shí)相反的東西，指錯(cuò)誤的猜想；也可以表示猜想的東西沒有確定性，只是一種印象。We can hardly imagine life without water. 我們簡(jiǎn)直不敢想象沒有水的生活。guess缺乏任何一句或資料而憑主觀印象的猜想Open your eyes，and guess who has the pen?6.However, (page48) However 副詞，表轉(zhuǎn)折，意為：然而；不過。However副詞位于句首、居中、句末，要用逗號(hào)與其他部分隔開。 Later, however, he changed his mind. But連詞位于句首或居中。but之后一般不得使用逗號(hào)ButIdidtellyouabout theexamination!Hate 討厭，不喜歡Hate doing sth.表示習(xí)慣性動(dòng)作Hate to do sh.表示某一次具體的行為7.She can skate at a very high speed because she practises a lot.Practise vt. 訓(xùn)練，練習(xí)。賓語可接名詞，代詞，動(dòng)名詞。如：Itsveryimportanttopractiselistening.練習(xí)聽力是非常重要的。Practise vi. 如：Dontforgettopractiseafterclass.課后別忘了練習(xí)。practise的名詞是practice不可數(shù)名詞。通常指經(jīng)常性或系統(tǒng)性的重復(fù)練習(xí)。 Practicemakesperfect.是一句諺語，意思是“熟能生巧”。8.But the speaker did not stop speaking until twenty past twelve.（page52） Not.until 意為：直到.才.。主語的動(dòng)詞一般為非延續(xù)性動(dòng)詞，它所表示的動(dòng)作 直到 until所表示的時(shí)間才發(fā)生。 如：We wont see any flowers until May.Unitil 連詞，意為:直到.時(shí)。用于肯定句，主句的動(dòng)詞一般為延續(xù)性動(dòng)詞。 如：He waits the children are asleep. I shall stay here until twelve oclock.9.Another指三者或三者以上中的“另一個(gè)” I dont like this one. Please show me another.otherAdj.其他的，其余的，常用復(fù)數(shù)形式 Ask some other people. the other兩者中“另一個(gè)”，onethe other一個(gè)另一個(gè) He has two daughters. One is a nurse, the other is a worker. others其他的人或物There are no others. 沒有別的了。 the others其余的人或物，表示一個(gè)范圍內(nèi)其他全部Two boys will go to the zoo, and the others will stay at home. 10.辨析Carry， take，bringcarry搬，扛 不論移動(dòng)的方向The mother carries her baby in her arms。bring帶來，帶走 以說話人為中心，把某物帶到說話人身邊Theyre going to bring some gifts for us on Christmas.take以說話人為中心，把某物帶到遠(yuǎn)處Please take these books to the library for me.11.It covers five and a half million square kilometers of the Amazon Basin and spreads across nine countries.（page54）（1）Cover v. 覆蓋，遮蓋； covewith 用把蓋上； be covered with 被.覆蓋著。 如：The road is usually covered with snow in winterCover 可數(shù)名詞，意為：覆蓋物，蓋子，封面如：The new book needs a new cover.(2) 區(qū)別：across， cross，through， overacross介詞，在空間內(nèi)從一端到另一端，或是十字交叉穿過 (過河，過橋，過馬路）cross動(dòng)詞，含義同上through介詞。穿過，通過。動(dòng)作是立體空間進(jìn)行， 穿過沙漠，森林，窗戶over動(dòng)詞，則是對(duì)于位置的高低而言，強(qiáng)調(diào)翻越 穿越高的障礙物， 如籬笆，柵欄，山脈12.Many living things lose their homes because of deforestation.（page54）許多生物因?yàn)樯挚撤ナゼ覉@。livingn.生物 all living things所有生物adj.活著的、有生命的，主要用于作前置定語及冠詞the之后，表示一類人the living活著的人們alive活著的、有活力的The fish is still alive/living.Livelaiv“活的”“有生命的”“活生生的”，主要用來說鳥或其他動(dòng)物a live fish一條活魚；a live tiger一只活老虎實(shí)況的、現(xiàn)場(chǎng)直播的a live report現(xiàn)場(chǎng)報(bào)道lively活潑的、有生氣的、生動(dòng)的a lively child活潑的孩子a lively discussion熱烈的討論