Unit 5 The power of nature-Reading(已備)

1、Unit 5 warming up and readingWarming up Remember what happened on Dec 26, 2004?Tsunami hits Indonesia TsunamiDo you know any other natural disasters ?natural disasterssandstormtyphoon floodhurricane tornadoearthquaketsunamilandslidesnowstormdroughtChina suffered massive flooding concentrated in thre

2、e areas during the 1998 summer. 1976年7月28日凌晨3時(shí)42分，河北省冀東地區(qū)的唐山、豐南 一帶突然發(fā)生7.8級(jí)強(qiáng)地震，新興的重工業(yè)城市唐山蒙受慘重災(zāi)難，被夷為一片廢墟。 hurricanetyphoon disasterdroughtlandslidesandstormHeavy snowstorm hits Shandong Peninsula21 Dec 2005 snowstormHave you ever seen a volcano ?volcano-eruption公元公元7979年維蘇威火山的爆發(fā)年維蘇威火山的爆發(fā)掩埋了一座城市！掩埋了一座城

3、市！ 雖然地球史上每一次火山爆雖然地球史上每一次火山爆發(fā)無不令地貌滄海桑田，但發(fā)無不令地貌滄海桑田，但公元公元7979年維蘇威火山的爆發(fā)年維蘇威火山的爆發(fā) 卻的確令一座城市獲得了永卻的確令一座城市獲得了永生生-龐貝無法躲過火山的劫龐貝無法躲過火山的劫難，但它被掩埋封存在漸漸難，但它被掩埋封存在漸漸冷卻、凝固、變硬的火山灰冷卻、凝固、變硬的火山灰中，最終竟躲過了上千年歲中，最終竟躲過了上千年歲月的侵蝕。月的侵蝕。 Vesuvius entered the history of volcanology with the eruption of 79 AD, described by Pliny t

4、he Younger. The eruption destroyed Pompeii, Herculaneum, Oplonti and Stabiae and caused the death of Pliny the Elder among many other people. Have you ever considered how weak humans are compared with a volcano, hurricane or earthquake?What do you know about volcano?Do you know how a volcano erupts?

5、volcano-eruptionBoiling rock erupts from the crater; the lava flows slowly down the mountain. Magma chamberLavaCraterAsh cloud/volcanic ashHow is a volcano formed?The rocks under the earth become hotter and hotter and erupt from the mountain.Where is most possible for a volcano to erupt?Near the oce

6、ans.an extinct volcanoan active volcanotypes of volcanoesa dormant volcanoactive volcano (=one that may erupt at any time)dormant volcano (=one that is not active at the moment)extinct volcano (=one that is no longer active at all)What qualities are needed for a volcanologist?Are you suitable for be

7、ing a volcanologist ?Answer “yes”or “no” to the following questions.Pre-reading Yes No 1 Do you like working outside as well as inside?2 Do you enjoy travelling to unusual places?3 Do you enjoy taking risks?4 Do you dislike doing the same thing every day?5 Do you like adventure in your life?6 Are yo

8、u interested in studying rocks and other things that make up the surface of the earth?I would like/ wouldnt like to be a volcanologist because.An Exciting JobReading What is the writer? When did he first see an eruption? How did it look like? What was he wearing when getting close to the crater? And

9、 what was the result?Skim the text and answer the following questions: What is the writer? When did he first see an eruption? How did it look like?He is a volcanologist working for the Hawaiian Volcano Observatory. He mainly collects information about Mount Kilauea.It was in the second week after he

10、 arrived in Hawaii. It was very bright although it was night. Red lava fountained hundreds of meters into the air and it was a fantastic sight.3. What was he wearing when getting close to the crater? And what was the result?He was wearing white protective suits that covered his whole body, helmets,

11、big boots and special gloves, just like a spaceman. As a result, it made him difficult to walk.What kind of things should a volcanologist do? Collect and evaluate information about volcanoes. 2. What is the volcanologist wearing when getting close to the crater? White protective suits that covered h

12、is whole body, helmets, big boots, special gloves. He looks just like a spaceman.Part 1(Para 1-2) Part 2(Para 3-4) Part 3(Para 5) The writers job and its importance The writers experience of watching the volcano eruptionThe reasons for the writers enthusiasm about his jobThe main idea of the passage

13、:Part one (Para 1- Para 2) Part one (Para 1- Para 2) 1) Why is a volcanologists job important?2) Where is Mount Kilauea?3) The writer doesnt mind the occasional danger of his job because _ _.It can warn people when the volcano is going to erupt and save many lives.In Hawaii. danger excites him and m

14、ake him feel alivePart two (Para 3- Para 4) Part two (Para 3- Para 4) Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption? What made the author realize that an eruption occurred?a. I heard a strange sound.b. my bedroom became as bright as day.c. my bed began shaking.d

15、. I ran out of the house into the back garden.1234Part two (Para 3- Para 4) Part two (Para 3- Para 4) 3. What does the writer mean by using “l(fā)ucky” in the sentence “I was lucky enough to have a much closer look at it.”?4. Why did the scientists have to get close to the volcano after it began eruptin

16、g?To get some lava for later study.It was his first sight of an eruption.It was the first time for him to watch the crater.Part three (Para 5) Part three (Para 5) What attracts the writer after he has studied volcanoes for more than twenty years? The author is impressed by the beauty of the eruption

17、 and also by its potential to cause great damage. 1.Why is a volcanologists job important? Volcanologists study volcanoes so that they can warn people when the volcano is going to erupt and so save many lives. 2. Where is Mount Kilauea? Mount Kilauea is in Hawaii.Scan the text and answer the followi

18、ng questions: 4. What caused the writers bedroom to become as bright as day even though it was night? The light that was caused by the red-hot rocks and gases that erupted from the volcano.3. Why is the lava that flows on Mount Kilauea more dangerous than the actual eruption? The lava flows down the

19、 mountain and can cover up or burn villages in its path. The rocks that erupt from the volcano usually dont damage anything because no one lives near the crater.5. Why did the scientists have to get close to the volcano after it began erupting? The scientists needed to get samples of the lava so the

20、y could study them.6. Why was it difficult for the writer to walk towards the edge of the crater? The author was wearing special protective clothing that made it difficult to walk.7. What does the writer find impressive about volcanoes even after studying them for many years? The writer finds their

21、beauty and also their potential to cause great destruction.Having learned a little more about the work of a volcanologist, do you think it is a occupation you would enjoy? Give your reasons.No. I probably wouldnt enjoy this job because I would have to live in other countries and also I dont like bei

22、ng in dangerous. Also, Im not very good at science.Yes, Id like to do a job like this because I would enjoy working outside and I think I would enjoy the adventure. It would be exciting to meet people from different countries and I would feel good about helping people avoid danger.1)Preview new word

23、s in this unit and the passage on P34.2)Read the text again and find the difficult & long sentences you cant understand. Homework 1. volcanopl. volcanoes-logy: “ 學(xué)學(xué)/論論”volcanology-ist “學(xué)家學(xué)家 ”volcanologist 活火山活火山死火山死火山休眠火休眠火山山火山學(xué)火山學(xué)scientistpianist 火山學(xué)家火山學(xué)家biologyoceanology an active volcano an e

24、xtinct volcano a dormant volcano2. eruptIts many years since Mount Vesuvius last erupted.2)（搏斗，暴力事件，噪音等）突然發(fā)生，爆發(fā)（搏斗，暴力事件，噪音等）突然發(fā)生，爆發(fā) Violence has erupted on the streets.erupt into laughter/shouting/crying突然大笑突然大笑/叫喊叫喊/大哭大哭He erupted into laughter without any reason.1) 1)（火山）爆發(fā)，噴發(fā)（火山）爆發(fā)，噴發(fā)3. alongside

25、 1) prep. with “和和” ; beside “在在.旁邊旁邊”Its a pleasure to work alongside such men. The boat pulled up alongside the dock（碼頭）（碼頭）.2) adv. 在旁邊在旁邊;沿著沿著;靠攏著靠攏著;并排地并排地The police car drew up alongside. 拓展：拓展：alongside of 在在旁邊，與旁邊，與并排，并排，與與相比相比alongside with 與與一起，一起， 除除.以外以外4 . equipment 【u】 n.配備配備,裝備裝備The c

26、omplete equipment of the new hospital will take a year. 把這個(gè)新醫(yī)院的設(shè)備配齊要化一年時(shí)間。把這個(gè)新醫(yī)院的設(shè)備配齊要化一年時(shí)間。 設(shè)備，設(shè)備， 器材器材This is a usual piece of equipment for the kitchen.medical / office equipment equip v. 裝備裝備,使有準(zhǔn)備使能夠做某事使有準(zhǔn)備使能夠做某事Equip ourselves with knowledgeEquip the army with modern weapons5. bore I am _ with

27、the same old routine day after day. The book is _. I am sorry I spoke for so long. I hope I didnt _ you. My father is always _ us with his stories about the war. boredboringboreboringbore sb. to death 使某人厭煩得要命使某人厭煩得要命6. appoint vt.任命任命,指派指派 appoint sb. as/to beThey appointed him (to be) manager.約定約定

28、,指定指定;安排安排Our visitors arrived at the appointed time. 拓展：拓展：appoint sb. to do sth. appoint a time / place / for sth. / to do sth. The time appointed for the meeting is 10:30.appointment n.(尤指正式的尤指正式的)約會(huì)約會(huì) +withhave an appointment with sb. 與某人約會(huì)與某人約會(huì)I have an appointment with them in the evening. 7.

29、evaluate 評(píng)估，評(píng)評(píng)估，評(píng)價(jià)價(jià)沒見過他的工作，我無法評(píng)估他的能力。沒見過他的工作，我無法評(píng)估他的能力。I cannot _ without seeing his work.evaluate water quality , evaluate method , evaluate factorevaluation n. 評(píng)估，評(píng)價(jià)，評(píng)估報(bào)告評(píng)估，評(píng)價(jià)，評(píng)估報(bào)告They made an intensive evaluation of the health care program.evaluate his ability8. burn to the ground 完全完全(樓房等樓房等)燒毀燒

30、毀 He has no place to live in because his house has been burnt to the ground. 與與burn搭配的常用詞組有：搭配的常用詞組有： burn away燒掉燒掉 Half of the candle had burnt away. burn down 漸漸燒完漸漸燒完 The room grew colder as the fire burnt down. burn sth. down 把把燒得精光燒得精光 Dont forget to turn off the gas-you might burn the house do

31、wn. burn up 燒得更旺燒得更旺 He put more wood on the fire to make it burn up. burn sth. up 把把燒掉燒掉 He has burnt up all the garden rubbish. burn off 燒掉某物，消耗燒掉某物，消耗 burn to death 燒死燒死 burn out 燒光燒光 burn oneself out 耗盡某人精力耗盡某人精力9. wave v. 1）指固定的物體上下擺動(dòng)或搖動(dòng)）指固定的物體上下擺動(dòng)或搖動(dòng)2）（指人）揮手、招手、擺手）（指人）揮手、招手、擺手3）（使某物）呈弧形）（使某物）呈

32、弧形a flag waving in the breeze , a field of waving corn;He waved ( to us ) when he saw us.She has her hair waved .n. 波浪，波浪，The storm whipped up (掀起了掀起了) huge waves.拓展：拓展：wave band （無線電波）波段（無線電波）波段 wave length （光波、聲波等的）波長(zhǎng)（光波、聲波等的）波長(zhǎng) in waves 一批一批，一陣一陣一批一批，一陣一陣wave sth. aside 不理會(huì)某事不理會(huì)某事10. However, the

33、 eruption itself is really exciting to watch and I shall never forget my first sight of one. 然而火山噴發(fā)本身的確是很壯觀的，我永然而火山噴發(fā)本身的確是很壯觀的，我永遠(yuǎn)也忘不了我第一次看見火山噴發(fā)時(shí)的情遠(yuǎn)也忘不了我第一次看見火山噴發(fā)時(shí)的情景。景。 在在“主語主語+be+形容詞形容詞+不定式不定式”句型中，有句型中，有時(shí)主語是不定時(shí)結(jié)構(gòu)的邏輯主語，這時(shí)應(yīng)時(shí)主語是不定時(shí)結(jié)構(gòu)的邏輯主語，這時(shí)應(yīng)用主動(dòng)形式表示被動(dòng)含義。適合于此結(jié)構(gòu)用主動(dòng)形式表示被動(dòng)含義。適合于此結(jié)構(gòu)的形容詞比較多，最常用的有的形容詞比較多，最常

34、用的有amusing, dangerous, difficult, easy, important, nice, pleasant 等。等。 當(dāng)上述形容詞在句子做賓語補(bǔ)足語，當(dāng)上述形容詞在句子做賓語補(bǔ)足語，后接不定式，不定式也用主動(dòng)形式表后接不定式，不定式也用主動(dòng)形式表被動(dòng)意義被動(dòng)意義That question is difficult to answer.Chicken legs are nice to eat.I found him easy to get along with.They dont think the game interesting to play.sight , sce

35、ne , scenery, view sight: 表示表示“風(fēng)景，名勝風(fēng)景，名勝”時(shí)用復(fù)數(shù)形式，時(shí)用復(fù)數(shù)形式，人文景觀；還有人文景觀；還有“視力視力”意思。意思。 scene： 指一眼可以瀏覽的風(fēng)景，不限于自指一眼可以瀏覽的風(fēng)景，不限于自然風(fēng)景。然風(fēng)景。 scenery：集合名詞，至該地區(qū)的：集合名詞，至該地區(qū)的“整個(gè)風(fēng)整個(gè)風(fēng)景景”，是有多個(gè)，是有多個(gè)scene構(gòu)成的景色。構(gòu)成的景色。 view : 常指在遠(yuǎn)處或高處，一人的角度看到常指在遠(yuǎn)處或高處，一人的角度看到的的scenery一部分。一部分。 Birds have better sight than dogs. We have a fi

36、ne view of the lake from our hotel window. Guilin is world-famous for its scenery. There are many beautiful scenes in the park.12. Having experienced quite a few earthquakes in Hawaii already, I didnt take much notice. 由于我已經(jīng)在夏威夷經(jīng)歷過好幾次地震，由于我已經(jīng)在夏威夷經(jīng)歷過好幾次地震，所以我并沒過多注意。所以我并沒過多注意。 Having分詞短語在句中作狀語，表示分詞短語在

37、句中作狀語，表示動(dòng)作發(fā)生在主句動(dòng)作動(dòng)作發(fā)生在主句動(dòng)作take notice之前。之前。 Having cleaned the classroom, the students went to the playground to watch the football match. take notice of sb or sth 注意到注意到（常用于（常用于否定句）否定句） Take no notice of what others say about your way of life.13. absolute adj. 完全的完全的;真實(shí)的真實(shí)的 absolutely adv.完全地完全地;絕對(duì)

38、地絕對(duì)地e.g. Its an _ fact. -Do you let your kids walk alone at night? -_not. You are _ right. Its _ impossible. I have _ trust in you. There is no _ standard for beauty.absoluteAbsolutelyabsolutelyabsolutelyabsoluteabsolute 拓展拓展:absolute zero 絕對(duì)零度絕對(duì)零度absolute majorityabsolute trustabsolute proof 確鑿證據(jù)確鑿

39、證據(jù)absolutely adv.完全地，無條件地完全地，無條件地,完全完全對(duì)對(duì)absolutely right 十分對(duì)，對(duì)極了，當(dāng)十分對(duì)，對(duì)極了，當(dāng)然（口語，作為對(duì)一問題的回答或評(píng)然（口語，作為對(duì)一問題的回答或評(píng)語）語）-Do you let your kids walk alone at night? -Absolutely not. 14. make ones way 向某地走去向某地走去, 有出息有出息她猶豫了一下她猶豫了一下,但向前走去但向前走去.She hesitated, but _.她快速離開房間她快速離開房間,朝她床邊走去朝她床邊走去.She hastily left the

40、 room ,and _ _.你若想要有出息你若想要有出息,趁年輕的時(shí)候要學(xué)會(huì)發(fā)奮趁年輕的時(shí)候要學(xué)會(huì)發(fā)奮.If you want to _, you must learn to work hard while you are still young.made her way forward made her way to her bedmake your way in the world所有的車輛都得給救火車讓路所有的車輛都得給救火車讓路.All the traffic has to _ _.我將把職務(wù)讓給更年輕的人我將把職務(wù)讓給更年輕的人.I shall _ . make way for a

41、 fire truckmake way for younger peopleMake way for 為為讓路讓路 拓展拓展:feel one way 摸索前進(jìn)摸索前進(jìn)push ones way 擠過擠過find ones way 找到路，設(shè)法到達(dá)找到路，設(shè)法到達(dá)go ones way 走自己的路，我行我素走自己的路，我行我素fight ones way 奮勇前進(jìn)奮勇前進(jìn)wind ones /its way 蜿蜒前進(jìn)蜿蜒前進(jìn)lose ones way 迷路迷路Stuggle ones way掙扎著前進(jìn)掙扎著前進(jìn)15. Today, I am just as enthusiastic about

42、 my job as the day I first started. 如今，我和當(dāng)初從事這項(xiàng)工作時(shí)一樣滿懷如今，我和當(dāng)初從事這項(xiàng)工作時(shí)一樣滿懷熱情。熱情。 在句中，在句中，the day 作復(fù)合連詞用，引導(dǎo)時(shí)間作復(fù)合連詞用，引導(dǎo)時(shí)間狀語從句狀語從句I first started 名詞短語名詞短語each time, every time, the moment（一（一就）和就）和the day 等都可以用作復(fù)合等都可以用作復(fù)合名詞，引導(dǎo)時(shí)間狀語從句，使用時(shí)注意短名詞，引導(dǎo)時(shí)間狀語從句，使用時(shí)注意短語前面不可以有介詞，后面不用語前面不可以有介詞，后面不用when. I will give hi

43、m your message the minute he arrives. He bought a computer the day he got his salary.16. potential n. U. 可能性可能性;潛力潛力,潛能潛能 (+for) She has acting potential, but she needs training. He is a young player with great potential. It was his high school teacher that discovered his potential and kept encourag

44、ing him. adj. 潛在的，可能的潛在的，可能的 A number of potential buyers expressed interest in the company. Education develops potential abilities. Discovering useful Discovering useful words and words and expressionsexpressions 1 Replace the underlined parts with a word or phrase of similar meaning from the text.

45、 Rewrite the sentence if necessary. We received the written set of questions from the company as they were eager to find out our opinion on their products. the questionnaire2. The car drew up next to the side of our car and the driver waved to us. 3. The scientists were studying carefully to see how

46、 successful the experiment is. alongsideThe scientists were evaluating the experiment4. I moved carefully over the fallen rocks and returned to the car.5. I think the boy is likely to achieve success in painting, but he needs training.6. The teacher was given the job because he was the best candidat

47、e. made my wayhas potentialappointed7. It is certain that the factory will greatly raise their efficiency if they have modern machines and tools. 8. Charles looked at the drawing that shows how the machine works and knew immediately what was wrong with it. equipmentdiagram2 Complete the paragraph wi

48、th the words in the box in the correct forms. burn to the ground absolute volcano eruption wave fountain ash lava erupt The eruption of Mount Vesuvius in 79AD took the people of Pompeii by surprise.They had always known that the mountain was a _ but it had been quiet for so long that nobody saw it a

49、s a threat. When the volcano finally did _, volcanoeruptit was so quick and so severe that the town was soon covered in _ and _. A writer called Pliny, who was there during the _, described how lava was thrown into the air like a _. After it fell to earth, it turned into _ of lava which travelled do

50、wn ashlavaeruptionfountainwavesthe mountain faster than people could run away. It was an _ disaster for those who could not escape in time. Many of the wooden houses and bungalows in Pompeii were _, but the stone houses remained under the ash until they were rediscovered during the 20th century.abso

51、luteburned to the groundDiscovering useful Discovering useful structuresstructures本課時(shí)重、難點(diǎn)本課時(shí)重、難點(diǎn) 重點(diǎn)重點(diǎn): 動(dòng)詞動(dòng)詞-ing形式的作用形式的作用 動(dòng)詞動(dòng)詞-ing形式在做狀語時(shí)的作用形式在做狀語時(shí)的作用 難點(diǎn)難點(diǎn):動(dòng)詞動(dòng)詞-ing形式的一般式與完成式的區(qū)別形式的一般式與完成式的區(qū)別Revising the ing form觀察下列例句觀察下列例句, 思考劃線部分作用。思考劃線部分作用。(1) This is an interesting book. ( )(2) The man sitting b

52、y the window is our maths teacher. ( )(3) Seeing the teacher entering the room, the students stood up. ( )(4) I saw the boy walking on the street yesterday. ( )(5) Playing football is his favotire sport. ( ) (6) I didnt stop working last night. ( )(7) My work is teaching English. ( )定語定語定語定語狀語狀語賓補(bǔ)賓補(bǔ)

53、 主語主語賓語賓語表語表語歸納總結(jié)：歸納總結(jié)：動(dòng)詞動(dòng)詞-ing是是 _ 中的一種，中的一種， 單獨(dú)使用時(shí)單獨(dú)使用時(shí), 能在句中做除能在句中做除_ 之外的任何其他句子成分。如之外的任何其他句子成分。如: 主語、主語、 賓語、表語、定語、狀語、賓補(bǔ)等。賓語、表語、定語、狀語、賓補(bǔ)等。在語態(tài)上，動(dòng)詞在語態(tài)上，動(dòng)詞-ing表示表示 _ (主動(dòng)主動(dòng)/被動(dòng)的動(dòng)作被動(dòng)的動(dòng)作)。 在時(shí)間上在時(shí)間上, 動(dòng)詞動(dòng)詞-ing一般表示一般表示 _ (正在進(jìn)行正在進(jìn)行/已經(jīng)完成已經(jīng)完成)的動(dòng)作。的動(dòng)作。 動(dòng)詞非謂語形式動(dòng)詞非謂語形式謂語謂語主動(dòng)主動(dòng)正在進(jìn)行正在進(jìn)行用法用法例句例句時(shí)間時(shí)間 Walking along th

54、e street, I met Mary. (= While I was walking along the street.)在街上走的時(shí)候在街上走的時(shí)候, 我遇到了瑪麗。我遇到了瑪麗。一、動(dòng)詞一、動(dòng)詞-ing形式作狀語形式作狀語用法用法例句例句原因原因 Being tired, I stopped to take a rest. (= Because I was tired, )因?yàn)槠＞胍驗(yàn)槠＞? 我停下來休息。我停下來休息。條件條件 Turning to the left, you will find the school. (= If you turn to the left, ) 向左

55、走向左走, 你就會(huì)找到那個(gè)學(xué)校。你就會(huì)找到那個(gè)學(xué)校。用法用法例句例句讓步讓步 Knowing where I live, he never comes to see me .(= Though he knows where I live, ) 盡管他知道我的住處盡管他知道我的住處, 但從不來但從不來看我?？次?。用法用法例句例句伴隨伴隨 I stood there, waiting for her. (= , and waited for her.) 我站在那兒等她。我站在那兒等她。結(jié)果結(jié)果 It rained heavily, causing severe flooding in the ar

56、ea. (= It rained heavily so that it caused severe flooding in the area.) 在這個(gè)地方雨在這個(gè)地方雨下的如此大下的如此大, 以至引發(fā)了洪災(zāi)。以至引發(fā)了洪災(zāi)。二、動(dòng)詞二、動(dòng)詞 ing形式的完成式形式的完成式句型句型主動(dòng)主動(dòng)Having + p.p. , 主語主語+謂語謂語被動(dòng)被動(dòng)(Having been) + p.p. , 主語主語+謂語謂語用法用法1) ing形式的完成式所表示的形式的完成式所表示的時(shí)間在謂語動(dòng)詞之前時(shí)間在謂語動(dòng)詞之前2) 表示被動(dòng)可直接用過去分詞表示被動(dòng)可直接用過去分詞例句例句Having finished

57、 my work, I went home. (= After I had finished my work, )工作做完之后工作做完之后, 我就回家了。我就回家了。觀察下列觀察下列2個(gè)句子個(gè)句子, 體會(huì)體會(huì)having done與與doing的不同用法的不同用法: 1) Having written the letter, John went to the post office.2) Seeing the beautiful sight, the children felt excited. 總結(jié)總結(jié): V-ingdoinghaving done表動(dòng)作表動(dòng)作有先有后有先有后表動(dòng)作表動(dòng)作同時(shí)

58、發(fā)生同時(shí)發(fā)生一般式一般式完成式完成式舉一反三舉一反三 : V-ingdoinghaving done一般式一般式完成式完成式being donehaving been done主動(dòng)主動(dòng)被動(dòng)被動(dòng)Exercise 1: 1) 她被蛇咬了三次后她被蛇咬了三次后, 她看見蛇后就害怕。她看見蛇后就害怕。 _ _ _2) 正在進(jìn)行的那個(gè)會(huì)議非常重要。正在進(jìn)行的那個(gè)會(huì)議非常重要。 _ _Having been bitten by the snake for three times, she feels frightenedThe meeting being held now is of great impo

59、rtance.when seeing the snake.1) _ him the answer several timeS, I didt know whether he could understand.2) _ the answer several times, he still couldnt sovle the question.Having toldHaving been toldExercise 2: 用用having been told /having told填空：填空：主動(dòng)主動(dòng)被動(dòng)被動(dòng)歸納歸納主句主語為動(dòng)作的主句主語為動(dòng)作的發(fā)出者發(fā)出者。主句主語為動(dòng)作的主句主語為動(dòng)作的承受

60、者承受者。Answer key for Exercise 1 on Page 37 :Having collected and evaluated the information, I help other scientists Having worked hard all day, I went to bed early.Having earlier collected special clothes from the observatory, we put them on before Having studied volcanoes now for many years, I am still