高中英語 unit3revision課件 新人教必修5

1、2021/8/11 星期三1unit3 Life in the futurerevision2021/8/11 星期三2Step1 :復習導入(知識框架)(10分鐘)2021/8/11 星期三3重點單詞重點短語重點句式語法impression,previous,guide,lack,switch,optimistic,desert,instant,settlement1.take up 2.lose sight of 3.sweep up 4.slide into 5.speed up1.It seems(that )2.全倒裝句式 inside was an exhibition of.動詞

2、過去分詞做狀語2021/8/11 星期三4 1impression n. 印象；感想；印記 impress vt. 使感動，使留下印象impressive adj. 給人深刻印象的have an impression of 對有印象be under the impression that. 認為；以為make an impression on 給留下印象impress sth. on/upon sb. 使某人銘記某事物impress sb. with sth. 使某人銘記某事物be impressed by/at/with 對印象深刻2previous adj.以前的；早先的previous

3、to.在前；先于(to為介詞)previously adv.先前地；以前地3guide n向?qū)?，指南，指導，導游，有指導意義的事物vt.指導，管理，帶領 a guide to.的指南 guide post路標guide sb. through/across帶領某人穿越單詞詳解2021/8/11 星期三54instant n瞬間，剎那adj.立即的，立刻的in instant need of help急需救助in an instant立刻；馬上表“一就”的有：the minute/moment/second/instant, as soon as ，instantly, immediately,

4、 directly5. lack v& n缺乏；短缺的東西(1)v.(2)n.(3)lacking adj.短缺的；缺乏的be lacking in缺少2021/8/11 星期三66. switch vt.轉(zhuǎn)換n開關(guān)；轉(zhuǎn)換(1)switch on接上；打開switch to變換到switch off切斷；關(guān)掉(2)make a switch進行改變2021/8/11 星期三7 1take up 占去(時間/空間)；開始學習；從事；繼續(xù)；接受；拿起；改短(衣服)；加入take off 脫(衣服)；起飛；成名take in 吸入；領會；包含；收留(某人)take away 解除；消除(痛苦等)ta

5、ke back 收回(說過的話)；退回(貨物)；與重歸于好，使回憶起take down (write down, note down) 寫下；拆除take apart 拆開take over 接管，接收2lose sight of看不見at the sight of.在看到時catch sight of.望見，看到in/within sight在視線內(nèi)，可以被看見in sight of.可以看見out of sight看不見了，不被人看見短語2021/8/11 星期三83. speed up加速at high/low/full/top speed以高/低/全/最高速at a speed of.

6、以速度with all speed盡快地reduce speed減速pick up speed加速2021/8/11 星期三9句式1.There is similar to the “jet lag” you get from flying,but it seems you keep getting flashbacks from your previous time period這就與你乘坐飛機會產(chǎn)生時差反應相似，但是在你腦子里似乎會不斷閃現(xiàn)以前的時光。2Exhausted, I slid into bed and fell fast asleep.我感到累極了，爬上床很快就睡著了。exha

7、usted為形容詞在句中做伴隨狀語。3. Hit by a lack of fresh air，my head ached.由于缺乏新鮮空氣，我感到頭痛。過去分詞作狀語時，若其邏輯主語是句子的主語，則與句中主語含有邏輯上的被動關(guān)系。4.Inside was an exhibition of the most up-to-date inventions of the 31st century. 在太空里有第31世紀最新發(fā)明展完全倒裝2021/8/11 星期三10Step2： 課堂訓練&疑難點撥(18分鐘)2021/8/11 星期三11P56 on the bookAnswer key for E

8、x1:1.lost sight of 2.catch sight of 3.caught sight of 4.lost sight of Answer key for Ex2:typist, capsule, representative, impression, efficiency,motivation, instant, switch, flash, manufactured, materials, settlements2021/8/11 星期三12.Answer key for Ex3:1.This parcel of books is 250yuan including post

9、age and packing. Please write down the receivers address and dont forget the postcode.2.Decades ago, people used typewriters for formal documents, but now we use computers and printers to do the same work3.Although it has a long shelf life, instant coffee may go solid if it is not kept dry .4.One th

10、ousand years in the future , citizens of the earth may be able to dispose of their rubbish using an ecological system.5.The snake was so greedy that it swallowed up the rat in one bite.2021/8/11 星期三136.Dealing with people is one important aspect of a businessmans work.7.When we came home from our wa

11、lk across the fields we had mud all over out boors.8.After six weeks in hospital, he was back on his feet and ready to start work.2021/8/11 星期三14P57Answer key for Ex1:1.Well-known for his books about South Africa, J M Coetzee won the Booker Prize.2.A princess once owned a magical chair made of gold

12、and silver.3.On his birthday he received a mysterious present wrapped in gold paper.4.Interrupted by the bell, he was unable to finish his speech.5.Awakened by a noise at midnight ,she saw a thief in her room.6.Seated,passangers should fasten your seat belts.Answer key for Ex2:called; Endangered; po

13、inted; known;fallen; supported; terrified2021/8/11 星期三15Step：問題探究(學生討論)7分鐘2021/8/11 星期三16 as引導的狀語從句有哪些，各有什么含義？ as 有conj.，prep.，adv.，pron.等詞性，作為連詞可引導五種狀語從句，即時間狀語從句、原因狀語從句、方式狀語從句、讓步狀語從句以及比較狀語從句。(1)引導時間狀語從句要區(qū)分when，while，as等連詞的用法when：句子謂語既可為時間點(即終止動作)，也可為時間段(即延續(xù)動作)。while：句子謂語為延續(xù)動作，往往表示“一個動作發(fā)生時，另一個動作正在發(fā)生

14、”。as：常表示“一邊做，一邊做”，也有“隨著”等義。(2)引導原因狀語從句要區(qū)分because，since，as的用法because：?；卮饂hy 的問句，語氣強，用法正式。since：有“既然”之意，與as一樣，引導的從句常位于句首2021/8/11 星期三17(3)引導方式狀語從句同just as(語氣更強)，意為“正如，照方法”。(4)引導讓步狀語從句要用倒裝語序，即：n./adj./adv./v.p.pas/though主語謂語。名詞表語提前用單數(shù)且無冠詞。用法同though(不用although)。(5)引導比較狀語從句常構(gòu)成as.as結(jié)構(gòu)，第二個as為連詞或介詞。2021/8/1

15、1 星期三18完成句子(1)_(隨著時間的推移)，things seemed to get worse.(2)_(由于我們倆都累了)，lets just grab a take away.(3)_ (我們最好保持現(xiàn)場原樣)until the police arrive.(4)_ (盡管她是個孩子)，Susan knows a lot.(5)I cant run _(像過去那樣快)As time passedAs were both tiredWed better leave things as they areChild as she isas fast as I used to2021/8/

16、11 星期三19Step：課堂提升（9分鐘）2021/8/11 星期三201.The manager like Marry very much because the _she left on the manager was quite goodA.guide B.adjustment C.impression D.motivaton2. After he retired from office,Roger_painting for a while,but soon lost interestAtook up Bsaved up Ckept up Ddrew up 3. Beauty is found everywhere. Our eyes do not show _sense of beauty, but _observation.A.a lack of ;a lack of B.lack of ;lacking in C.no lack of;no lack in C.a lack for ;a lack for2021/8/11 星期三21 4.No matter how frequently_,the works of Beethoven still attract people all over the world. A.performed B.per