2016-2017学年高中英语Unit7TheSeaPeriodFour课堂讲义北师大

1、Period FourLess on 4 Sea Stories课前预习基础落实i.单词检测1.horribleadj.可怕的；令人厌恶的2.terrifyvt.令人感到恐惧terrorn.恐怖3.escapevi.逃脱，逃跑4.souln.灵魂5.survivevi.幸存，生存下来6.recovervi.恢复正常；康复7.screamvi.（因恐惧、疼痛、兴奋等）尖声大叫8.sinkvi.下沉；沉没9.unableadj.不能的，不会的10 . recognisevt.辨认出11. opposite n .对立的人（物）；反义词12 . leakvi.泄漏；渗漏n.短语检测1.make se

2、nse 有意义，讲得通2 . on the edge of 在.的边沿，濒临.3 . at great speed 以很快的速度4 . go down 下去；（船等）下沉5 . all at once 忽然，一下子6 . in the directio n of_朝.方向7 . brin g.to a conelusion_结束.8 . pick up 取，接载句式21.One day, my two brothers and I were coming back from the islands,our boat full3of fish天，我和我的两个兄弟从海岛返回，船上载满了鱼。2.It

3、 took less than a single day to change就在不到一天的时间里，我的头发由黑变白。3.As you can see ， I did escape.如你所见，我的确得救了。I.课文阅读理解1. Why did the writer s younger brother fall into the sea?A.Because he fell into the sea by accident.B.Because he jumped into the sea in order to survive.C. Because he was washed overboard b

4、y an enormous wave.D. Because he wan ted to save his brother.答案 C2.Why did the boat go towards the whirlpool?A.Because we drove toward the whirlpool to save my younger brother.B.Because the wind and waves were in that direction.C. Because we wan ted to go to safer places.D. Because nothing could sav

5、e us.答案 B3.Why did the writer tie himself to a barrel?A.Because he did that to save his brother.B.Because there was only a barrel in the whirlpool at that moment.C. Because lighter objects like a barrel went down more slowly.D. Because his brother told him to do so.答案 C4.Why didn t his brother do th

6、e same?A.Because he was too frightened.B.Because he thought it was dangerous to do so.C. Because he had no time to do so.D. Because he wouldn t leave the boat.答案 A预读my hair from black to white.45.Why did his old friends not recognise him?A. Because he was too old to be recognised.B. Because his hair

7、 was white , not black.C. Because they didn t want to recognise him.D. Because they didn t know him at all.答案 Bn.课文语法填空It may seemstrange.When wewere on the edge of the whirlpool , I felt 1.calmer(calm)than when we were moving towards it.We went round and round, nearer and nearer tothe horrible edge

8、 of the whirlpool.2.Suddenly (sudde n),wewe nt over the edge .I thoughtmy life 3.was(be) over.But I was still safe.The boat was on the in side of the hugewhirlpool 4.and we were going round in circles at great speed .I saw 5.clearly(clear)there were other objects in the whirlpool.I no ticed that the

9、 heavier objects went课堂讲义核心突破重点单词精要点拨活学活用1. terrify vt.令人感到恐惧；使受惊吓(1)( 原句)I tried to make my brother understand， but he was terrified and stayed inthe heavy boat.我努力使哥哥明白这一点，但他那时太恐惧了，呆坐在沉重的船里。(2)_ The thought of dying slowly andpain fully terrified me. _缓慢而痛苦地死去的想法使我恐惧不已。 归纳拓展(1) terrify sb.i nto (d

10、oi ng) sth.恐吓某人做某事down more quickly than the smaller , lighterones.So I tied myself to a barrel to helpme float.Itriedto make my brotherunderstand , but he was 6.terrified(terrify)andstayed in the heavy boat.Without wait ing,I dived into the sea to try and escape.I 7.did escape at last.Some time 8.a

11、fterI left the boat , with mybrother in 9.iJ,it sank into the bottom of the whirlpool.10.The n the sky was clear,the wind calmerand the moon was shining.ln the end,a boat picked me up.I got safe.5(2) terrifiedadj.非常害怕的；极度恐惧的be terrified of 因. 而害怕，后接名词、代词或动名词，表示原因。be terrified at 表示因听到/看到.而害怕，后接名词、代词

12、或动名词，还可接 what从句。be terrified out of one s sense 吓得魂不附体(3)terrifyingadj.极其可怕的；骇人听闻的(3) He is terrified of spiders.他害怕蜘蛛。(4) A terrifying scream in the black ness of the ni ght made my blood run cold.黑夜里一声可怕的尖叫让我毛骨悚然。即时跟踪(1) 用 terrify的正确形式填空1The thunderstormterrified the child.2When they knew the bad

13、news ， they all felt terrified._3The terrifying scene shocked every one.(2) Thesmall girl is terrify ing at that big black cat.( 单句 改错)terrifying terrified2.escape vi.逃脱，逃跑(+ from );漏出，渗出；vt.逃避；避免(+ v.-ing );记不起；n. 逃跑，逃避(1)(原句)Without waiting,I dived into the sea to try and escape.刻不容缓，我跳入海中试图逃脱。归纳拓

14、展escape from/out of逃离escape +n./do in g. 避免做have a n arrow/near escape九死一生(2)He escaped from pris on this morni ng.他今天早上从监狱中逃跑了。(3) You are lucky to escape puni shme nt/being puni shed.你逃脱了惩罚，真幸运。即时跟踪(1) 去年我死里逃生，因此我不想再去冒生命危险了。6Last year I had a narrow/near escape, and I don t want to risk my life a

15、second time.(2) 有什么办法可以避免和他见面吗？Is there any way to escape meeting him?_(3)It was lucky of him to escape killed in that accident.( 单句改错)escape 后力口 being3. survive vi.幸存，生存下来，大难不死；vt.挺过，艰难渡过；比 .活得久7(1)( 原句)Our boat survived , and I was trying to recover when my elder brother put我们的船幸存下来了，我正竭力回过神来，就在这时

16、，哥哥把嘴凑到我耳旁，大声说出那个 让人胆战心惊的词“漩涡!归纳拓展(1)survive sth.在.之后仍然生存，从.中逃生survive sb.(by)比活得长（多久）survive on sth.靠 存活下来survive from sth. 从.存活下来 /流传下来（2）survivorn.幸存者（3）survivaln.（经过灾难、疾病等）活下来，生存（不可数）；存留下来的人或东西（可数）(2)There are concerns that the poor may not survive the win ter.人们担心那些贫民可能熬不过冬天。(3) Harry survived

17、his wife by three m on ths.哈里比他的妻子多活了3 个月。(4) Some stra nge customs have survived from earlier times.有些奇怪的风俗是早年流传下来的。(5) A plane crashed yesterday, and there were no survivors.昨天有架飞机坠毁了，没有一个人生还。即时跟踪(1) 用 survive 的正确形式填空1Few birds man aged to survive the win ter last year in this area.2The explorer i

18、s an expert atsurvival in the wilderness.3There was only one survivor from the pla ne crash.(2) It was a mercy that the whole family survived in the earthquake.(单句改错 )删除in_4. recover vi. 痊愈，康复；恢复正常(1) ( 原句)Our boat survived , and I was trying to recover when my elder brother puthis mouth close to my

19、 ear , and screamed out the terrifying word“Whirlpool !”我们的船幸存下来了，我正竭力回过神来，就在这时，哥哥把嘴凑到我耳旁，大声说出那个让人胆战心惊的词“漩涡！”(2) She didn t seeanything suddenly but quickly recovered her sight.她突然看不见任何东西，但是很快又恢复了视力。his mouth close to my ear,and screamed out the terrifying wordWhirlpool !8归纳拓展(recover from从.中恢复过来rec

20、over on eself某人恢复正常(2) recoveryn.恢复，康复make a recovery from 从.中恢复(3) He is recovering from a knee injury.他的膝盖上的伤正在康复。(4) He made a quick recovery from his illness and was soon back at work.他生病后康复得很快，不久就回去上班了。即时跟踪(1) 这个年轻人手术后很快就康复了。That young man recovered quickly after the operatio n.(2) 我必须补上失去的时间。I

21、 must study hard to recover the lost time._(3) With my special care， my mother recovered from quickly.(单句改错)删除 from5. recognise vt.辨认出；承认；认可(1) ( 原句)The fishermen were my old friends , but they were unable to recognise me.那些渔民是我的老朋友，但他们都认不出我了。(2) We all recognised her tale nt for dancing.我们都肯定她在舞蹈方面

22、的才华。归纳拓展(1)recognise sb./sth.from/by.从辨别出某人 / 某物be recog nised as/to be.得至 U 承认；被公认为.It is recog ni sed that.人们公认.recog niti onn.识别；承认，认出bey on d/out of recog niti on认不出来(3) Everyone recognised him to be/as the lawful heir.大家都承认他为合法继承人。(4) The film is now recogni sed as a classic.这部电影现在是一部公认的经典影片。(5

23、) lt is recog ni sed that environme nt polluti on has become one of the most seriousproblems that people face.人们一致认为环境污染已经成为人们面临的最严重的问题之一。易混辨析 recognise , know, realize9(1)recog nise 指在认识”的基础上，认出某人或听出某人的声音。know 是最常用的，最普通的“知道”或“认识”的意思，也可指懂得知识。(3)realize 更强调“认识到”，常指发现了以前没有发现的事物。即时跟踪(1) 用 recognise ， k

24、now, realize的正确形式填空1He is one of the kin dest people Ihave known.2Tom doesn t seem to realize its true importa nee.3He glaneed at the envelope andrecognised his uncle s handwriting.(2) 25 年过去了，她已经变得认不出来了。After 25 years she has cha nged bey ond (all) recog niti on.(3) 劳伦斯的小说最终被公认为天才之作。Lawre nee s nov

25、el was even tually recog ni sed as/to be a work of geni us.D D 重点短语精要点拨活学活用1. make sense 有意义，讲得通(1) ( 原句)Read them in that order to see if the story makes sense._按那个顺序读读，看故事是否讲得通。归纳拓展make sense of 理解，明白make no sense 没有道理，没有意义in a sen se 在一定程度上，就某种意义上说Thtrt? is no sense in0oin 陽做.是不明智的。(2) Your story

26、 doesn t make sense to me.你编的故事我听不明白。(3) Only after I read the poem a sec ond time did I make sense o _我把这首诗又读了一遍之后才理解了它的含义。(4) There is no sense in arguing about the problem with him.与他争论这个问题是毫无意义的。即时跟踪(1) You are right in some way , but you don t know all the facts.(句型转换)=You are right in a sense_

27、, but you don t know all the facts.(2) Can you make sense what this American is saying?(单句改错 )sense 后力口 of102.all at once ( = all of a sudden= suddenly )忽然，突然(1)(原句)All at once, the sky was covered with dark clouds and in less than a minute we were in aterrible storm.突然，天空被乌云笼罩，刹那间，我们被卷入了可怕的暴风雨中。(2)

28、AII at once there was a loud banging on the door.突然传来一声响亮的敲门声。归纳拓展all in all总的说来all along始终，一直all over到处，遍及above all首先after all毕竟in all 总共，总计(3)All in all it had bee n a great success.从各方面来说，那都是极大的成功。即时跟踪(1) 突然之间介绍了许多新观念。There are so many new ideas in troduced all at on _(2) 小孩子该做的最重要的事是学好功课。What a

29、child should do ， above all ， is to do well in his studies.3. pick up 取(物)，接载，开车去接；拾起，捡起；获得，偶尔学会；改善，好转；接收(1) ( 原句)ln the end , a boat picked me up. _最后，一条船救了我。(2) The bus stopped so as to pick up passengers.汽车停下来以便乘客上车。(3) He picked up Spa nish whe n he was in Mexico.在墨西哥时，他学会了西班牙语。归纳拓展pick out 选出；挑

30、出；拣出pick off 摘掉，摘下；取走，拿掉(4) Ca n you pick out the right one?你能找出正确的那一个吗？(5) Don t pick off any of these flowers.这些花一朵也不要采摘。11即时跟踪写出下列句子中 pick up 的汉语意思(1) Ridley picked up a pencil and fiddled(不停摆弄)with it. 拿起(2) She went over to her parents house to pick up some clean clothes. 取回(3) Where did you pi

31、ck up your English?学会(4) They ve picked up a really nasty infection from something they ve eaten. 染上_(5) We can pick up Italia n televisi on.接收(6) Chinese officials hope that trade will pick up when the two countries switch to hard curre ncy. 好转D D 经典句式句式剖折箱讲精练1 独立主格结构(1)(原句)One day， my two brothers

32、 and I were coming back from the islands ， our boat full of fish.一天，我和我的两个兄弟从海岛返回，船上载满了鱼。归纳拓展our boat full of fish为独立主格结构，相当于 and our boat was full of fish。(1) 构成：名词/代词+形容词/副词/介词短语/现在分词/过去分词/不定式等。(2) 作用：在句中充当时间、原因、条件、行为方式或伴随状语，多用于书面语中。(2) Winter coming , it gets colder and colder.冬天来了，天气越来越冷了。(3) Mo

33、re time given, we can finish the work.如果给我们更多的时间，我们就能完成这项工作。(4) Our English teacher entered the room, a book in his hand.我们的英语老师走进了教室，手里拿着一本书。(5) It being a fine day_, the children went to the park.由于天气很好，孩子们去了公园。即时跟踪(1) 句型转换1As the girl stared at him, he didn t know what to say.12=The girl staring

34、at him_ _ , he didn t know what to say.2As the p roblems were solved , the quality has been improved.=The problems solved , the quality has been improved.(2) There was nothing else to do, we went home.( 单句改错 )wasbeing2 .助动词 do 表强调(1)( 原句)As you can see , I did escape.如你所见，我的确得救了。归纳拓展 do 在句中可起强调作用，意为

35、“的确”，要重读，其形式可以随人称与数的变化而变化。常 用于肯定的陈述句或祈使句，仅限于一般现在时和一般过去时。(2) Why didn t you come yesterday evening?But I did come.When I came ， you were out.-你昨晚为什么没来？但我确实来了。我来时你出去了。即时跟踪(1) 我的确希望如此，因为我想让你和我一样活得健康长寿。I do hope so because I want you to live as long and healthy a life as I have.(2) 当我不认识一个单词的时候，我确实要查阅一下

36、字典。When I do not know a word ， I do refer to the dicti on ary.(3) 我确实认识他，但是想不起他的名字了。I did know him ， but I didn t remember his name.3. It takes/took sb.some time to do sth.句型(1) ( 原句)lt took less than a single day to change my hair from black to white.就在不到一天的时间里，我的头发由黑变白。(2) lt took me three hours t

37、o get home last night.昨天晚上我花了三个钟头才到家。归纳拓展li lakos/iouk 血 some lime to do sth.花费 某人 多长时间做某事，其中 it 是形 式主语，不定式作真正的主语。英语中表示花费的句型还有：1sb.spe nds some mon ey/time on sth.in doing sth.132sth.costs sb.some money3sb.pays some money for sth.(3) He spends about a third of his salary on drinking. _他把薪水的三分之一左右花在喝

38、酒上。(4) It will cost you 500 dollars to repair the car.修理这部车要花费你500 美元。(5) How much did you pay for the motorbike?你花多少钱买的这辆摩托车?14即时跟踪一句多译我花了 10 元钱买的这本字典。(1) 1 spe nt tenyua nin buying/on the diet ion ary.(spe nd)(2) 1 paid tenyua nfor the dict ion ary.(pay)(3) The dicti onary cost me tenyua n.(cost)I

39、.单词拼写1.Though we have had the boat repaired three times， it still leaks._2.Do you know why a balloon can float in the air?3.At the sight of her long lost son, the mother recognised( 认出)him immediately.4.The weather has been really horrible( 糟糕的)all week, so we had to stay at home.5.The Titanic sank

40、into the bottom of the sea with over 1,500 passengers aboard.6.A company with bad management can not survive the market competition.7.Although they are twins , they are completely opposite( 相反的)in many ways.8.Fifteen days after escaping from prison , the prisoner was caught in a corn field at last.9

41、 . The dog can t recover( 康复)ever since it was run over by the car.10 . With a scream( 尖叫声),an old man fell off a window to hit the ground heavily.n.选词填空1.I was drying my hair.All at once I smelt something burning.2.Every single word may make sense , but the sentence as a whole makes nonsense.3.Afte

42、r the Second World War , the Japanese economy picked up very fast.4.We put up at a small hotel just on the edge of the city.5.Sound goes faster and farther in the direction of wind._川.完成句子1 .做这个实验大约花了我两个小时。It took me iust two hours to do this experiment.2 .他的确喜欢听古典音乐。He does enjoy liste ning to clas

43、sical music.3 .如果天气允许，我们明天去看你。Weather permitting, we re going to visit yo当堂达标检测巩on the edge of , in the directi on of,all at once , pick up , make senseu tomorrow.154 在那儿他学会了潜泳一一他众多的体育消遣之一。There he picked up scuba diving , one of his many athletic pastimes.5.她叔叔从地震中幸存下来了，但她的其他家庭成员都未幸免。Her uncle surv

44、ived the earthquake， but no one else in her family did.课时精练拓展提升I.语境填词A） 用所提供单词的正确形式填空1. Some animals have the gift of facial recognisation（recognise）2. The child is terrified（terrify） of the caged tiger as well.3.The boy being（be） late, his teacher was very angry.4. The doctors hold out little hope

45、of his recovery（recover）.5. Man was responsible for the survival（survive） of his family.B） 填写空白处所需的内容（1 个单词）6. Here s a tip I picked up from my mother.7. The enemy troops were fleeing in all djrections.8. It bega n to rain all at once and I was caught in the rain.9 . Just at_that moment, the door op

46、ened and the teacher walked in.10 . He is recog ni sed as a movie star in Hong Kong.n.阅读理解AThe plan : turn Mars into a blue world with streams and green fields, and thenfill it with creatures （生物）from the earth.This idea may sound like something from a scienee fiction（科幻小说）,but it isactually being t

47、aken seriously by many researchers.This suggests the future for the red planet ” willbe the main topic for discussionat an internationalconferencehosted by NASA（美国宇航局）this week.Leading researchers as well as scienee fiction writers will attend the event.Turning Mars into a little earth has long bee

48、n a topic in scie nee fictio n，”said Dr Michael Meyer, NASA s senior scientist for astrobiology （太空生物学）.“ Now with scientistsexploring the reality, we can ask what are the real possibilities16of cha nging Mars. ”17Most scientists agree that Mars could be turned into a little earth much time and mone

49、y would be needed to achieve this goal.But many experts are shocked by the idea.“ We are destro ying our own world atan unbelievable speed and now we are talking about ruining another planet，” saidPaul Murdin from the Institute of Astronomy, Cambridge , UK.Over the past mon ths , scie ntists have be

50、come in creas in gly con fide nt.They willfind Martian life forms.Europe and America s robot explorers have found proof that water , mixed withsoil , exists in large amounts on the planet.11. The passage is about _A.Mars supporting lifeB.finding water on the MarsC.a plan turning Mars into a little e

51、arthD.the necessity of changing Mars答案 C解析 主旨大意题。 根据文章大意和文章第一段的The plan : turn Mars into a blue world with streams andgreen fields , and then fill it with creatures （生物）from the earth. ” 可知，文章主要介绍了一个把火星变成地球的计划，故选Co12. Those who agree to turn Mars into a little earth ._A.are short of con fide neeB.wi

52、ll gain the support of NASAC.are asking for advice on how to carry it outD.realize that it s not easy to achieve their goal答案 D解析 细节理解题。根据第四段的Most scientists agree that Mars could be turned into a little earth ,although much time and money would be needed t o achieve this goal. ” 可知，同意这项计划的人们认为这个计划不

53、容易实施，故选Do13. What s Paul Murdin s attitude to the plan?A.He is for the idea.B.He is active in the idea.C.He is against the idea.D.He doesn t care about it.答案 C,although18解析推理判断题。根据第五段的But many experts are shocked by theidea. We aredestroyingour own world at an unbelievable speed and now we are talki

54、ngabout ruininganother planet， said Paul Murdin from the Institute of Astronomy, Cambridge ,UK.”，可知，他反对这个想法，故选Co14. What can we know about the scientists from the last paragraph?A.They have no idea about the plan.B.They will find Martian lives very soon.C.They may achieve their goals some day.D.They

55、 have found much proof of Martian lives.答案 C解析 推理判断题。根据最后一段的They will find Martia n life forms.Europe and America s robotexplorers have found proof that water， mixed with soil ， exists inlarge amounts on the planet. ”可知，由于越来越多的证据表明火星上有存在生命的条件， 所以将来这个计划有可能实现，故选CoBFar from the land of Antarctica, a hu

56、ge shelf of ice meets the ocean.At theunderside of the shelf there lives a small fish, the Antarctic cod（鳕鱼）.For forty years scie ntists have bee n curious about that fish.How does it live where most fish wouldfreeze to death ? It must have some secret.The Antarctic is not a comfortable place to wor

57、k and theresearch has bee n slowed.Now it seems we have an an swer.Research was begu n by cutt ingholes in the ice and catchi ng the fish.Scie ntistsstudied the fish s blood and measured its freezing point.The fish were taken from seawater that had a temperature of1.88 C and manytiny pieces of ice f

58、loating in it.The blood of the fish did not begin to freeze until its temperature waslowered to2.05C.That small differe nee is eno ugh for the fish to live at the freez ing temperature ofthe ice-salt mixture.The scientists next research job was clear : Find out what in the fish s blood kept it fromfreezing.Their search led to some really strange things made up of a protein （ 蛋白质） never before seenin the blood of a fish.When it was removed, theblood froze