上海牛津滬教版七年級(jí)(下)同步講義unit11

1、第十一講 Unitll Electricity上海牛津滬教版七年級(jí)（下）同步講義Unitll Electricity適用學(xué)科初中英語(yǔ)適用年級(jí) 1初中一年級(jí)適用區(qū)域上海課時(shí)時(shí)長(zhǎng)（分鐘）120分鐘（一對(duì)一）知識(shí)點(diǎn)知識(shí)點(diǎn)1:本單元詞匯知識(shí)點(diǎn)2:詞組知識(shí)點(diǎn)3:句型知識(shí)點(diǎn)4:動(dòng)名詞的用法知識(shí)點(diǎn)5:不定式的用法知識(shí)點(diǎn)6:特殊疑問(wèn)句教學(xué)目標(biāo)知識(shí)：學(xué)生能夠基本掌握7年級(jí)上冊(cè)Unitll中的詞匯、詞組、句型 及語(yǔ)法。方法：牢記各個(gè)知識(shí)點(diǎn)的用法，歸納總結(jié)異同點(diǎn)，通過(guò)習(xí)題加強(qiáng)鞏固。能力：熟練掌握各種詞匯的用法；具備準(zhǔn)確判斷詞性及轉(zhuǎn)換的能力；熟練掌握祈使句的肯定形式與否定形式；熟練運(yùn)用動(dòng)名詞的能力。教學(xué)重點(diǎn)詞性轉(zhuǎn)換；

2、形容詞副詞級(jí)別；動(dòng)名詞用法；教學(xué)難點(diǎn)不定式的用法4 / 17教學(xué)過(guò)程一、課堂導(dǎo)入教師講述一個(gè)與本節(jié)課題目有關(guān)的英文小故事，引出今日所要講解的知識(shí)點(diǎn)，然后讓學(xué)生簡(jiǎn)單梳理一下所涉及的問(wèn)題，帶著問(wèn)題學(xué)習(xí)本節(jié)課的內(nèi)容。二、復(fù)習(xí)預(yù)習(xí)教師引導(dǎo)學(xué)生復(fù)習(xí)上節(jié)課學(xué)的重點(diǎn)內(nèi)容，檢測(cè)單詞的用法，(以提問(wèn)、回顧的形式進(jìn)行)，針對(duì)上節(jié)課的作業(yè)進(jìn)行講評(píng)、訂正、答疑，并通過(guò)英文小故事導(dǎo)入本節(jié)課所要學(xué)習(xí)的新知識(shí)。三、知識(shí)講解1. 知識(shí)點(diǎn)一：重點(diǎn)單詞1) electricity ?lek?tr?s ti【詞性】n.【詞義】電；電能【易混淆點(diǎn)】 electricity 電；電能electric 導(dǎo)電的；電動(dòng)的electrical

3、 用電的electronic電子的； 電子操縱的；【經(jīng)典例句】Electricity around us.圍繞在我們身邊的電。2) lightning ?la?tn?【詞性】n.【詞義】閃電【易混淆點(diǎn)】 lightning 閃電lighten 點(diǎn)亮【經(jīng)典例句】On a dark night， when lightning flashes.在一個(gè)黑夜里，當(dāng)閃電閃過(guò)。3) pylon ?pa?l?n【詞性】n.【詞義】電纜塔【經(jīng)典例句】See the pylons carrying wires on the arms of their tall spires.請(qǐng)看那電纜塔高高的尖端臂狀物支撐著電線

4、。4) flashfl? ?【詞性】 v.【詞義】使閃耀；閃光【易混淆點(diǎn)】 flash 使閃耀；閃光crash 使發(fā)出巨響【經(jīng)典例句】When lightning flashe，s what do you see?當(dāng)閃電閃過(guò)，你看到了什么？5) thunder ?0 nd?(r)【詞義】雷；雷聲【經(jīng)典例句】On a dark night， when thunder crashes.在一個(gè)黑夜里，當(dāng)雷聲發(fā)出巨響。6) crash kr? ?【詞性】 v.【詞義】使發(fā)出巨響【易混淆點(diǎn)】 crash 使發(fā)出巨響flash 使閃耀；閃光【經(jīng)典例句】When thunder crashes, what

5、do you see?當(dāng)雷聲響起，你看到什么？7) wire ?wa?(r)【詞性】n.【詞義】電線；導(dǎo)線【易混淆點(diǎn)】wire電線；導(dǎo)線fire 火【經(jīng)典例句】See the pylons carrying wires on the arms of their tall spires.請(qǐng)看那電纜塔高高的尖端臂狀物支撐著電線。8) fright fra?t【詞義】驚嚇；恐怖【易混淆點(diǎn)】 fright 驚嚇；恐怖frighten 使驚嚇frightened感至J驚嚇的frightening 令人驚嚇的，恐怖的【經(jīng)典例句】Something in the wire gave him a fright

6、.電線里的某些東西嚇?biāo)惶?) carryh?l【詞性】 v.【詞義】支撐；承載【易混淆點(diǎn)】carry支撐；承載carriages車車廂【經(jīng)典例句】See the pylons carrying wires on the arms of their tall spires.請(qǐng)看那電纜塔高高的尖端臂狀物支撐著電線。10) spire ?spa?(r)【詞性】n.【詞義】尖頂【易混淆點(diǎn)】 spire 尖頂inspire 鼓舞7 / 17See the pylons carrying wires on the arms of their tall spires.請(qǐng)看那電纜塔高高的尖端臂狀物支撐著電

7、線。11) plug pl?g【詞性】n.【詞義】插座【易混淆點(diǎn)】plug插座pug哈巴狗【經(jīng)典例句】Then it comes into our home，s to plugs and lights in every room.然后它進(jìn)入大家家里，進(jìn)入到每個(gè)房間的插座和燈泡。12) importance ?m?p?:tns【詞性】n.【詞義】重要性【易混淆點(diǎn)】important重要的importance 重要性【經(jīng)典例句】The importance of electricity.電的重要性。13) appliance ?pla?ns【詞性】n.【詞義】電器；器具】 appliance電器d

8、evice電子設(shè)備equipment大型裝備【經(jīng)典例句】What electrical appliances do people use at ho？ me人們?cè)诩沂褂檬裁措娖鳎?4) efficiently ?'f?ntl?【詞性】adv.【詞義】效率高地【易混淆點(diǎn)】 efficient 高效的efficiently 效率高地【經(jīng)典例句】Computers help us work more efficiently.電腦幫助我們的工作更高效。15) transport ?tr?nsp?:t【詞性】n.【詞義】交通工具【易混淆點(diǎn)】 transport交通工具transportation

9、 交通【經(jīng)典例句】Some kinds of public transport in Garden City use electricity.在花園城市，有許多種公共交通工具都需要電。25 / 1716) operate ?p?re?t【詞性】 v.【詞義】運(yùn)轉(zhuǎn)；工作【易混淆點(diǎn)】 operate 運(yùn)轉(zhuǎn)；工作operation手術(shù)； 操作【經(jīng)典例句】It started operating in 1998.它在1998年開(kāi)始運(yùn)行。17) through (Tu:【詞性】prep.【詞義】穿過(guò)；貫穿【易混淆點(diǎn)】 through 穿過(guò)；貫穿though 盡管【經(jīng)典例句】It runs through

10、 tunnels for eight kilometres.它通過(guò)隧道運(yùn)行8 千米。18) mainly ?me?nli【詞性】adv.【詞義】主要地；大致【易混淆點(diǎn)】 mainly 穿過(guò)；貫穿main 主要的【經(jīng)典例句】The station buildings are mainly made of glass.站建筑樓主要是玻璃造成的。19) seat si:t【詞性1】n.【詞義1】座位；坐處【詞性2】v.【詞義2】使就坐【易混淆點(diǎn)】seat座位；使就坐sit坐，坐下【經(jīng)典例句】How many seats are there in each carriage?每節(jié)車廂有多少個(gè)座位？2.

11、 知識(shí)點(diǎn)二：重點(diǎn)詞組1) on a dark night2) fly a kite3) give sb. a fright4) be too frightening5) drive a big machine6) carry wires7) carry wire8) come into our home在一個(gè)暗黑的夜晚放風(fēng)箏給某人一個(gè)驚嚇太恐怖了驅(qū)動(dòng)一個(gè)大機(jī)器承載電纜線用.制出冰塊來(lái)進(jìn)入我們的家電的重要性9) the importance of electricity10) a microwave11) a CD/DVD player12) a printer13) a washing mac

12、hine14) write a report15) electrical appliances16) air conditioners17) electric kettles18) rice cookers19) make sb. feel comfortable一臺(tái)微波爐一個(gè) CD/DVD 播放器一臺(tái)打印機(jī)一臺(tái)洗碗機(jī)寫一份報(bào)告家用電器空調(diào)電水壺煮飯鍋?zhàn)屓烁械绞娣?0) make our lives more enjoyablet我們的生活更快樂(lè)22help us work more efficiently幫助我們工作更高效23 keep us cool and comfortable保持我

13、們涼爽和舒服24type letters打字25 find out about their uses找出他們的用途26 the Airport Express機(jī)場(chǎng)快線27public transport公共交通21) make our lives more convenientt我們的生活更方便輕軌坐機(jī)場(chǎng)快線旅行獲得一些信息開(kāi)始運(yùn)行28) the light rail29) travel on the Airport Express31) get some information32) start operating33) use electricity to operate34) send

14、information to sb.35) cause air pollution36) run through tunnels37) run over bridge38) run on the ground39) be above ground40) be made of glass41) .as well42) a lot of room43) complete the conversation44) act out the conversation45) in each carriage3. 知識(shí)點(diǎn)三：重點(diǎn)句型用電運(yùn)行發(fā)送信息給某人導(dǎo)致空氣污染通過(guò)隧道的運(yùn)行通過(guò)橋面運(yùn)行通過(guò)橋面運(yùn)行在地面

15、上由玻璃制成也 許多空間完成對(duì)話扮演對(duì)話在每一節(jié)車廂1) When lightning flashe，s what do you see?當(dāng)閃電來(lái)臨，你會(huì)看到什么？2) When Benjamin Franklin flew a kite, something in the wire gave him a fright.當(dāng) Benjamin Franklin放風(fēng)箏時(shí)，電線使他嚇一跳。3) Computers help us work more efficiently.電腦幫助我們的工作更高效。4) Have you travelled on the Airport Express?你坐過(guò)機(jī)場(chǎng)快

16、線旅游嗎？5) How many passengers do the trains carry on a busy day?火車在繁忙的一天承載多少乘客？4. 知識(shí)點(diǎn)四：常見(jiàn)語(yǔ)法1）動(dòng)名詞作主語(yǔ)Doing that would be too frightening.2）動(dòng)詞不定式make sb. do stl#某人做某事，省to不定式。e.g. Air conditioners and heaters make us feel comfortable in summer and winter.空調(diào)和取暖器讓我們?cè)谙奶旌投旄杏X(jué)很舒適。3）形容詞的比較級(jí)多音節(jié)形容詞的比較級(jí)用more+形容詞原形

17、。e.g. Lights make our lives more convenient.燈讓我們的生活更方便。4）特殊疑問(wèn)句的構(gòu)成由特殊疑問(wèn)副詞+一般疑問(wèn)句構(gòu)成。e.g. How long does it take to travel from City Square Station to the airport?從城市廣場(chǎng)站到機(jī)場(chǎng)要多久？e.g. How much does it cost to travel from City Square Station to the airport?從城市廣場(chǎng)站到機(jī)場(chǎng)要多少錢四、例題精析1】【題干】A. AtB. InC. OfD. On本題考核介詞用

18、法。at night在深夜，但night前若有形容a starry night, we can see the beautiful stars.詞修飾表示某一晚，要用2】【題干】We use electricityA. to cook riceB. for cook riceC. to cooking riceD. for cooking rice【解析】本題考核動(dòng)詞不定式。use electricity to do sth1固定用法,3】故選 A 。on。故選Do【題干】We are trying our best to make our life moreA.happily B.enjoy

19、able C.convenience D.easier【解析】本題考核形容詞的比較級(jí)。more +多音節(jié)形容詞或副詞原級(jí)，且make sth,后接形容詞，故選B。五、課堂運(yùn)用【基礎(chǔ)】1. Running water runs the pipe and then it comes into our homes.A. throughB. acrossC. withD.around【答案】A【解析】本題考核介詞用法。自來(lái)水是從管子中流進(jìn)我們家中是封閉環(huán)境中的穿過(guò)，要用 run through the pipe 故選 A。2. -you _ on a maglev yet?- -No, not yet

20、.A. Will;travel B. Did;travel C. Have;travelled D. Do;travel【答案】C【解析】 本題考核現(xiàn)在完成時(shí)。根據(jù)句末yet可知，本句結(jié)構(gòu)為現(xiàn)在完成時(shí)的一般疑問(wèn)句，要用Havedoneyet?形式，故選C3. Don thim. He is only a little kid.A. frightB. frightenC. frightened D.frightening【答案】B【解析】 本題考核fright的詞性轉(zhuǎn)換。Don' t要用動(dòng)詞原形，fright是名詞，本句需用其動(dòng)詞形式frighten,故選B。4. Heaters mak

21、e us feel more in winter.A. comfort B. comfortable C. uncomfortable D. comforted【答案】B【解析】本題考核形容詞的用法。feel 后用形容詞，且比較級(jí)more之后要用形容詞的原級(jí)，結(jié)合句意排除C,故選Bo5. We can use rivers electricity.A. getB. to getC. gettingD. got【答案】B【解析】 本題考核動(dòng)詞不定式。use sth. to do sth用做use后接動(dòng)詞不定式不可以省略 to,故選Bo【鞏固】1. There (be) a lot of spac

22、e for desks and chairs.【答案】is【解析】 本題考核主調(diào)一致。a lot of space是許多空間的意思，space為不可數(shù)名詞, 需用there is3腎，故填is。2. This lift by the old man every day. (operate)【答案】is operated【解析】 本題考核被動(dòng)語(yǔ)態(tài)。主語(yǔ)lift電梯和operate操作之間是被動(dòng)關(guān)系，根據(jù)時(shí)間狀語(yǔ) every day故填is operated3. appliances are very useful in our daily life.(electric)【答案】electrica

23、l【解析】 本題考核electric的詞性轉(zhuǎn)換。electric是導(dǎo)電的，electrical是用電的，electrical appliances1器，故填 electrical4. People here use to keep warm in winter.(heat)【答案】heater【解析】本題考核heat的詞性轉(zhuǎn)換。heat熱的，heater取暖器，故填heater5. If you know the of the match, you will come.(important)importance【解析】 本題考核important的詞性轉(zhuǎn)換。the后加名詞，the importanceof the match比賽的重要性，故填importance【拔高】1. Travelling on the Airport Express is fortable本題考核形容詞。根據(jù)動(dòng)名詞主語(yǔ)Travelling on th