高中英語unit3revision課件新人教版必修5.ppt

,unit3 Life in the future,revision,Step1 : 復習導入 (知識框架) (10分鐘),重點單詞 重點短語 重點句式 語法,impression,previous,guide,lack,switch, optimistic,desert,instant,settlement 1.take up 2.lose sight of 3.sweep up 4.slide into 5.speed up,1.It seems(that ) 2.全倒裝句式 inside was an exhibition of.,動詞過去分詞做狀語,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 to.在前；先于(to為介詞) previously adv.先前地；以前地 3guide n向導，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,4instant 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, directly 5. 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,6. switch vt. 轉換 n 開關；轉換 (1)switch on接上；打開 switch to變換到 switch off切斷；關掉 (2)make a switch進行改變,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) take 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，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,3. speed up 加速 at high/low/full/top speed以高/低/全/最高速 at a speed of.以速度 with all speed盡快地 reduce speed減速 pick up speed加速,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。 exhausted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,Step2： 課堂訓練&疑難點撥 (18分鐘),P56 on the book,Answer key for Ex1: 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, settlements,.,Answer key for Ex3: 1.This parcel of books is 250yuan including postage 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 work 3. Although it has a long shelf life, instant coffee may go solid if it is not kept dry . 4.One thousand 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.,6. Dealing with people is one important aspect of a businessmans work. 7. When we came home from our walk 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.,P57,Answer 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 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; pointed; known; fallen; supported; terrified,Step：問題探究 (學生討論)7分鐘,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”。 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,(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 常構成as.as結構，第二個as為連詞或介詞。,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 passed,As were both tired,Wed better leave things as they are,Child as she is,as fast as I used to,Step：課堂提升 （9分鐘）,1.The manager like Marry very much because the _she left on the manager was quite good A.guide B.adjustment C.impression D.motivaton 2. After he retired from office,Roger_painting for a while,but soon lost interest Atook 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 for,4.No matter how frequently_,the works of Beethoven still attract people all over the world. A.p