2019-2020年高中英語 Unit5 The power of nature Period 2優(yōu)秀教案 新人教版選修6.doc

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2019-2020年高中英語 Unit5 The power of nature Period 2優(yōu)秀教案 新人教版選修6 教學內(nèi)容分析　　　 The emphasis of this period will be placed on the important new words，phrases and sentence patterns in Warming Up，Pre－reading，Reading，prehending and Discovering useful words and expressions in Learning about Language.There are altogether 44 new words and phrases in these five parts.17 of them are marked with triangles，which shows that the students neednt learn them by heart.It is enough to recognize them when meeting them while reading the passage.The other 27 should all be remembered，among which the following words and expressions are even more important：absolutely，make ones way，alongside，appoint，wave，suit，potential，actual.They are all very useful and important.So are the sentence patterns “Having collected and evaluated the information，I help other scientists to predict where lava from the volcano will flow next and how fast”“I was about to go back to sleep when suddenly my bedroom became as bright as day.” and “The other two climbed down into the crater to collect some lava for later study，but this being my first experience，I stayed at the top and watched them.” We ought to pay more attention to them. 三維目標設(shè)計　　　 Knowledge and skills 1．To get the students to learn to use the following important new words and phrases freely：absolutely，make ones way，alongside，appoint，wave，suit，potential，actual. 2．To get the students to understand and use the following important and useful sentence patterns： (1)Having_collected_and_evaluated the information，I help other scientists to predict where lava from the volcano will flow next and how fast. (2)I_was_about_to go back to sleep when suddenly my bedroom became as bright as day. (3)The other two climbed down into the crater to collect some lava for later study，but this_being_my_first_experience，I stayed at the top and watched them. Process and methods 1．Referring to the textbook，reference books or dictionaries when meeting with any problems. 2．Sharing your ideas with your classmates bravely. 3．Talking about the difficult points with your group－mates heatedly. 4．Asking the teacher for help if possible. 5．Trying hard to learn the language points by heart. 6．Practicing the language points actively. Emotion，attitude and value 1．To stimulate students interest in learning English. 2．To develop students sense of cooperation and teamwork. 教學重、難點　　　 1．Important new words and expressions：absolutely，alongside，appoint，wave，suit，potential，actual，make ones way. 2．Important and useful sentence patterns： (1)be about to do...when... (2)the －ing form used as the adverbial in a sentence 3．Some difficult and long sentences in the text. Step 1　Revision 1．Check the homework exercises. 2．Ask some students to say something about the power of nature. Step 2　Reading and finding Get students to read through Warming Up，Pre－reading，Reading，prehending and Learning about Language to underline all the new words and useful expressions or collocations in these parts.Read them aloud and copy them down in the exercise book. Step 3　Practice for useful words and expressions 1．Turn to Page 36.Go through the exercises in Discovering useful words and expressions with students and make sure they know what to do. 2．Give them several minutes to finish the exercises.They first do them individually，and then discuss and check them with their partners. 3．Check the answers with the whole class and explain the problems they meet where necessary. Step 4　Vocabulary study Ⅰ.簡單知識掃描 1．a(chǎn)longside(P34) 【原句再現(xiàn)】 I travel to unusual places and work alongside people from all over the world. 我跑的地方是稀罕奇特的地方，和我一道工作的人來自世界各地。 【觀察探究】 (1)The boat pulled up alongside the dock. 那條船在碼頭旁?？俊? (2)He caught up with me and walked alongside. 他趕上我和我并肩走。 【歸納總結(jié)】 alongside prep.沿著……的邊；在……旁邊 adv.在旁邊，沿著邊 【即景活用】 The police car pulled up ______. A．a(chǎn)long　　　　　B．a(chǎn)longside　　　　　C．beside　　　　　D．sideline Suggested answer：B 2．equipment(P34) 【原句再現(xiàn)】 ...sometimes using scientific equipment and sometimes meeting local people and tourists，I am never bored. ……有時工作中要用科學儀器，有時要會見當?shù)匕傩蘸吐糜稳耸?，我從來不感到工作煩人? 【觀察探究】 (1)The equipment has all been field－tested. 這些設(shè)備都已經(jīng)實地實驗過了。 (2)The equipment of the photographic studio was expensive. 這個攝影室的裝備花費巨大。 【歸納總結(jié)】 equipment 是不可數(shù)名詞，意為“設(shè)備，裝備”。 【知識鏈接】 a piece of equipment 一件設(shè)備 equip v. 配備；裝備 equip sb.with sth.給某人裝備上某物 【即景活用】 (1)Sports equipment ______ in great need. A．is B．a(chǎn)re C．were D．had been (2)他具有豐富的教學經(jīng)驗。 He ______ ______ ______ much experience in teaching. Suggested answers：(1)A　(2)is equipped with 3．a(chǎn)ppoint(P34) 【原句再現(xiàn)】 I was appointed as a volcanologist working for the Hawaiian Volcano Observatory(HVO)twenty years ago. 作為一名火山學家，我被派到夏威夷火山觀測站(HVO)工作。 【觀察探究】 (1)They appointed Mr Smith(to be/as)manager. 他們?nèi)蚊访芩瓜壬鼋?jīng)理。 (2)He was appointed to the vacant post. 他被委派填補那個空缺。 (3)They appointed a place to exchange stamps. 他們約定了一個地方交換郵票。 (4)I made an appointment with my friend to see a film this weekend. 我和朋友約定了這個周末去看電影。 【歸納總結(jié)】 appoint vt.任命；委派；指定，約定 appoint sb.(to be/as)．..任命某人做…… appoint sb.to sth./be appointed to 挑選某人做某工作 make an appointment with sb.to do sth.與某人約定去做某事 【即景活用】 He had a talent for music and was ______ conductor of the Shanghai Symphony Orchestra at the age of 30. A．a(chǎn)ssigned B．a(chǎn)ppointed C．named D．honored Suggested answer：B 4．wave(P34) 【原句再現(xiàn)】 The lava that flows slowly like a wave down the mountain causes far more damage because it buries everything in its path under the molten rock. 像波浪一樣順著山坡緩慢下流的火山熔巖所造成的損失大得多，因為火山巖漿所流經(jīng)的地方，一切東西都被掩埋在熔巖下面了。 【觀察探究】 (1)Huge waves were breaking on the shore. 巨浪拍打著海岸。 (2)The flag waved in the breeze. 旗子在微風中飄揚。 (3)Why did you wave at him? 你為什么向他揮手？ (4)Mary waved me a greeting. 瑪麗揮手與我打招呼。 (5)I showed my pass to the guard and he waved me through. 我向衛(wèi)兵出示了我的通行證，他揮手讓我過去。 【歸納總結(jié)】 wave n．波浪；波濤　vi.& vt.波動；起伏；揮手 【即景活用】 (1)我向母親揮手告別時她哭了。 My mother was crying as I ______ her goodbye. (2)風吹得池水起了漣漪。 The wind made little ______ on the pool. Suggested answers：(1)waved　(2)waves 5．suit(P34) 【原句再現(xiàn)】 We had white protective suits that covered our whole body，helmets，big boots and special gloves. 我們都穿著白色的防護服遮住全身，戴上了頭盔和特別的手套，還穿了一雙大靴子。 【觀察探究】 (1)Li Hua bought a business suit in the supermarket last night. 昨天晚上李華在超市買了一套公務(wù)服裝。 (2)Choose a puter to suit your particular needs. 選一臺適合你自個兒需要的電腦。 (3)If we met at 8，would that suit you? 我們八點鐘見面，你方便嗎？ (4)I dont think this coat really suits you. 我覺得這件大衣不大適合你穿。 (5)This hot weather doesnt suit me. 天這么熱，我真受不了。 (6)—I will stay in this evening. 今晚我就不出去了。 —Suit yourself.隨你的便。 【歸納總結(jié)】 suit n．一套外衣，套裝；v.適合；對某人方便；(尤指服裝，顏色等)相配，合身；適宜；有利于；自便；隨便 【知識鏈接】 suitable adj. 合適的；適宜的 suitability n. 適合 suitcase n．手提箱 【即景活用】 He can be very helpful，but only when it suits him.(翻譯) Suggested answer：有時候他非常樂意幫忙，不過那得他覺得合適。 6．potential(P35) 【原句再現(xiàn)】 Having studied volcanoes now for many years，I am still amazed at their beauty as well as their potential to cause great damage. 雖然我從事火山研究很多年了，但是我對火山的壯麗景色以及它們那潛在的巨大破壞力至今仍然感到驚愕不已。 【觀察探究】 (1)She has artistic potential as an artist. 她有做藝術(shù)家的潛質(zhì)。 (2)He studied the German market to find the potential there for profitable investment. 他對德國的市場進行了研究以尋求投資獲利的可能性。 (3)The book is arguably a potential best seller. 這本書或可成為一本暢銷書。 (4)This is a machine with several potential uses. 這是一臺具有多種潛在功能的機器。 【歸納總結(jié)】 potential n. 意為“潛能；潛力；潛在性；可能性”，后常接介詞for； adj. 意為“潛在的；有可能的”，常作定語。 【即景活用】 People who dont smoke have less ______ of suffering from lung cancer than those who do so. A．potential B．cause C．hope D．choice Suggested answer：A 7．a(chǎn)ctual(P35) 【原句再現(xiàn)】 Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption? 為什么在基拉韋厄火山上流淌的火山熔巖比實際的火山爆發(fā)更危險？ 【觀察探究】 (1)The actual cost was much higher than we had expected. 實際成本比我們預(yù)計的要高得多。 (2)Tom looks younger than his wife but in actual fact he is several years older. 湯姆看起來比他妻子年輕，但實際上他比妻子大好幾歲。 (3)The wedding preparations take weeks but the actual ceremony takes less than an hour. 準備婚禮要幾周，而婚禮儀式本身還不到一小時。 【歸納總結(jié)】 actual adj. 真實的；實際的(強調(diào)事情最重要的部分)；真正的；……本身 in actual fact＝really 【即景活用】 What were his actual words？(翻譯) Suggested answer：他實際上是怎么說的？ Ⅱ.重點知識探究 1．erupt(P33) 【原句再現(xiàn)】 It shows a volcano erupting.它展示了一次火山爆發(fā)。 【觀察探究】 (1)Mount Vesuvius hasnt erupted for a good many years. 維蘇維火山已有很多年沒有爆發(fā)了。 (2)His face erupted in pimples. 他的臉上長出了很多粉刺。 (3)Violence erupted after the football match. 足球賽后發(fā)生了暴力行為。 【歸納總結(jié)】 erupt vi. 突然發(fā)生，爆發(fā)；火山爆發(fā) 【知識鏈接】 erupt into laughter/shouting/crying 突然大笑/叫喊/大哭起來 同根詞 eruption n．火山爆發(fā)；(戰(zhàn)爭等)爆發(fā) 【即景活用】 (1)漢譯英： Todd常常會莫名其妙地大笑起來。 (2)用erupt的正確形式填空： The volcano is in active ______. (3)選擇正確答案： A lot of lava had ______ from the volcano to bury the entire village. A．erupted B．given out C．burst out D．sprung up Suggested answers： (1)Todd often erupts into laughter without any reason.　(2)eruption　(3)A 2．evaluate(P34) 【原句再現(xiàn)】 Having collected and evaluated the information... 收集和評估了這些信息之后…… 【觀察探究】 (1)I cant evaluate his ability without seeing his work. 沒有看到他的工作情況，我無法評價他的能力。 (2)You should evaluate your chances of success before making a decision. 做出決定之前，你應(yīng)該估計成功的幾率。 (3)The new drug is being evaluated in clinical trials. 新藥正在臨床實驗鑒定中。 【歸納總結(jié)】 evaluate v．評估，評價，估計；鑒定 【知識鏈接】 (1)evaluation n. 評價，估價 (2)estimate，appraise，value，evaluate，assess和appreciate 的區(qū)別： estimate表示的“估計”或“估價”只是猜測，多多少少有些不準確的估計，甚至只是一種想法。 appraise 表示的“評價”是行家和專家的“估計”，常用于估計某物的價值或市場價格，也可用于評審某物的質(zhì)量，或估計某人的才能等。 value與appraise的含義很近，即“估計某物的價值、價格”。其區(qū)別在于appraise強調(diào)“行家”的估計，而value用于一般人所作的“估計”。 evaluate表示通過仔細的考察對能力、成就或等級等進行判斷、評估、鑒定。 assess的原義是對某商品進行估價，以期決定應(yīng)收多少稅。詞義引申之后，assess通常表示“估計”出某物的價值，以更有效地利用它。 appreciate 是前面這幾個詞的近義詞，它的意思是“鑒賞”，即充分了解某物或某人的價值或才能，以期批判地欣賞或賞識。appreciate的同義詞應(yīng)為value，treasure，cherish。 【即景活用】 (1)Its impossible ______these results without knowing more about the research method.(用evaluate的適當形式填空) (2)Tom attempted an honest ______of his own life.(用evaluate的適當形式填空) (3)The research project has only been under way for three months，so its too early to ______ its success. A．evaluate B．estimate C．value D．weigh Suggested answers：(1)to evaluate　 (2)evaluation　(3)A 3．a(chǎn)bsolutely(P34) 【原句再現(xiàn)】 It was an absolutely fantastic sight. 這真是絕妙的奇景。 【觀察探究】 (1)Its absolutely impossible.這是絕對不可能的。 (2)He did absolutely no work at all.他簡直什么都沒干。 (3)—Dont you agree？你不同意嗎？ —Oh，absolutely! 奧，當然同意！ (4)Kate is absolutely frightened of the tiger. 凱特極其害怕老虎。 【歸納總結(jié)】 absolutely adv. 絕對地，完全地；正是，當然，對極了(常用于口語中)；極其，非常 【知識鏈接】 absolute adj. 意為“純粹的，完全的，絕對的”，沒有比較級；不能被very修飾，但是可以用nearly修飾。 【即景活用】 (1)—Do you agree with me? —______. A．Very absolutely B．Rather absolutely C．Nearly absolutely D．No absolutely (2)The employees have not been paid ______ since the new manager took over this pany last month. A．regularly B．normally C．a(chǎn)bsolutely D．ordinarily Suggested answers：(1)C　(2)A 4．burn to the ground(P34) 【原句再現(xiàn)】 Unfortunately，we cannot move their homes out of the way，and many houses have been covered with lava or burned_to_the_ground. 遺憾的是，我們不可能把他們的家搬離巖漿流過的地方，許多房屋被熔巖淹沒或者焚燒殆盡。 【觀察探究】 The whole city was burned to the ground. 整座城市都被燒光了。 【歸納總結(jié)】 burn to the ground (be) burn(ed) to the ground(樓房等)被燒毀/被焚燒殆盡 【知識鏈接】 (1)burn v. 燃燒，著火，燙傷，發(fā)光 The soup was so hot that it burned my mouth. 這湯很熱，燙傷了我的嘴。 The sun burns bright in the sky. 太陽在天空中明亮地照耀著。 Dry wood burns easily.干柴易燃。 (2)burn...to death 把……燒死 (3)burn off 燒掉某物 (4)burn down 把……燒成平地；漸漸燒完 (5)burn up 燒掉；燒起來，旺起來 (6)burn away 逐漸燒掉 (7)burn out 燒光，燒完 【即景活用】 用burn構(gòu)成的詞組填空 (1)He ______ all the old letters. (2)His hair was ______ in the fire. (3)In the accident，two of the workers ______. (4)The building was ______ and only ashes were left. Suggested answers：(1)burnt up　(2)burnt off　(3)were burnt to death　(4)burnt down 5．make ones way(P35) 【原句再現(xiàn)】 It was not easy to walk in these suits，but we slowly made_our_way to the edge of the crater and looked down into the red，boiling centre. 穿著這些衣服走起路來很不容易，但我們還是緩緩?fù)鹕娇诘倪吘壸呷ィ⑶蚁蛳驴吹搅思t紅的沸騰的中央。 【觀察探究】 (1)He made his way towards the museum.他向博物館走去。 (2)Ham began to make his way in politics.漢姆逐漸在政界有所建樹。 (3)The police made their way in the crowd. 警察在人群中擠出一條路。 【歸納總結(jié)】 make ones way意思是“向前，前往；獲得成功；擠出一條路”，后面常常接to或towards。 【知識鏈接】 make way (for)(為……)讓路；讓位 feel ones way(在黑暗中)摸索著走 find ones way 找到出路，設(shè)法到達 go ones way 出發(fā)，動身 lose ones way 迷路 push ones way 躋身前行 by the way 順便說說，順便提起 in the way 當?shù)?，礙事 【即景活用】 (1)If you want to ______you must learn to work hard while you are still young. A．make your way B．make its way C．make a way D．make the way (2)Her parents told her not to ______when she picked up mushrooms in the forest. A．find her way B．go her way C．lose her way C．feel her way (3)—______，can you go with me? —OK，Ill go with you. A．By the way B．In the way C．Out of the way D．Give way Suggested answers：(1)A　(2)C　(3)A Ⅲ.詞匯綜合運用 1．用括號中所給的單詞或短語翻譯下列句子。 (1)后來，他被任命為隊長。(appoint) (2)事實上，他對這種自然災(zāi)害極其害怕。但是，他還是決定前往災(zāi)區(qū)。(in actual fact，absolutely，make ones way) (3)火山旁邊的許多樹木和房子被熔巖淹沒，或者被焚燒殆盡。(alongside，burn to the ground) (4)火山熔巖像波濤一樣順著山坡緩慢流下來。(wave) (5)他穿著白色的防護服遮住全身，戴上了頭盔和特別的手套，還穿了一雙大靴子，并且隨身攜帶了一些設(shè)備。(suit，helmet，boot，equipment) (6)他在那種惡劣的環(huán)境中日夜工作?？吹剿墓ぷ髑闆r，當?shù)厝烁叨仍u價他的能力和潛能。(evaluate，potential) (7)去年，湯姆正在看電視，他突然看到了火山爆發(fā)。(erupt) Suggested answers： (1)Later，he was appointed captain. (2)In actual fact，he was absolutely frightened of this natural disaster.But he decided to make his way towards the disaster area. (3)Many trees and houses alongside the volcano have been covered with lava or burned to the ground. (4)The lava flowed slowly like a wave down the mountain. (5)He had white protective suits that covered his whole body，helmets，big boots and special gloves and took some equipment with himself. (6)He worked in the bad condition day and night.Seeing his work，local people highly evaluated his ability and potential. (7)Tom was watching TV when he saw a volcano erupting last year. 2．連句成篇(按照一定的邏輯順序適當調(diào)整句子的順序，把上面的句子連成一篇小短文，必要時增加適當?shù)倪B詞。) ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ Suggested answers： Tom was watching TV when he saw a volcano erupting last year.The lava flowed slowly like a wave down the mountain.Many trees and houses alongside the volcano have been covered with lava or burned to the ground.In actual fact，he was absolutely frightened of this natural disaster.But he decided to make his way towards the disaster area.He had white protective suits that covered his whole body，helmets，big boots and special gloves and took some equipment with himself.He worked in the bad condition day and night.Seeing his work，local people highly evaluated his ability and potential.Later，he was appointed captain. Step 5　Sentence focus 1．Having collected and evaluated the information，I help other scientists to predict where lava from the volcano will flow next and how fast.(P34) 收集和評估了這些信息之后，我就幫助其他科學家一起預(yù)測下次火山熔巖將往何處流去，流速是多少。 Having collected and evaluated the information是現(xiàn)在分詞短語，在句中用作時間狀語，相當于一個由when 引導的時間狀語從句When I have collected and evaluated the information?，F(xiàn)在分詞短語在句中還可以用作原因狀語、讓步狀語等等。如： (1)Having worked hard all day，I went to bed early. ＝Because I had worked hard all day，I went to bed early. (2)Having been told many times，he still repeated the same mistakes. ＝Though he had been told many times，he still repeated the same mistakes. 另外，predict后是由where和how引導的兩個賓語從句。 2．I was about to go back to sleep when suddenly my bedroom became as bright as day.(P34) 我剛要再睡，突然我的臥室亮如白晝。 be about to...when...意為“正要……這時……”，其中when相當于at this/that time，類似的句式還有be doing...when...“正在做……突然……”；had done...when...“剛做完……這時(那時)……”。例如： (1)The sports meeting was about to begin when it rained heavily. 運動會剛要開始，這時天開始下起了大雨。 (2)I was reading when he broke in.我正在讀書，他突然闖了進來。 3．The other two climbed down into the crater to collect some lava for later study，but this being my first experience，I stayed at the top and watched them.(P35) 另外兩個人攀下火山口去收集供日后研究的巖漿，但是我是第一次經(jīng)歷這樣的事，所以留在山頂上觀察他們。 this being my first experience 是獨立主格結(jié)構(gòu)，在句中作原因狀語。再如： It being a very hot day，we decided to go swimming. ＝Because it was a very hot day，we decided to go swimming. Step 6　Using words and expressions Turn to Page 70.Ask students to do the exercises in Using Words and Expressions in the Workbook.The following procedures may be followed： 1．Go through the first two exercises with students and make sure they know what to do. 2．Give students several minutes to finish them individually. 3．Check the answers with the whole class. Step 7　Homework 1．Finish off the Workbook exercises.Do Exercise 3 in the exercise book. 2．Learn the useful new words and expressions by heart. Step 8　Reflection after teaching ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________