【頂尖學(xué)案】2012屆高考英語(yǔ) Unit 5 The power of nature 新人教版選修6

1、2012屆高考英語(yǔ)頂尖學(xué)案：新課標(biāo)人教版 Unit 5The power of nature大自然的力量核心詞匯1She was hit on the head by a stone and knocked _(無(wú)意識(shí)的)2My time is _(珍貴的)；I can only give you a few minutes.3When he came out of the water，he was_(顫抖)with cold.4. She got into a _(驚慌)when she found she had lost her necklace.5Interest is the bes

2、t teacher，and a lack of interest is a _(保證)of failure.6A number of _(可能的) buyers have expressed interest in the company and placed orders for some of its products.7The Big Island is home to one of the most active volcanoes in the world.It has _(爆發(fā))a total of 40 times since 1924.8Tom made a big_in hi

3、s business，but_，he went bankrupt because of his careless investment.(unfortunate)9He was_ to leave and he could not hide his _.(anxious)10People from_ cultures hold different understanding on the play and this _of opinions makes it hard to reach an agreement at the meeting.(diversity)1.unconscious2.

4、precious3.trembling4.panic5.guarantee6.potential7.erupted8.fortune；unfortunately9.anxious；anxiety10.diverse；diversity高頻短語(yǔ)1_前往2_ 匆匆看一遍3_ 由到不等4_ 生產(chǎn)；產(chǎn)生5_ 與相比6_ 保護(hù)免受傷害7_ 被委派為8_ 全部焚毀9_ 即將做某事；馬上就要做某事10_ 查閱，參考，指的是1. make ones way2.glance through3.vary from.to.4.give birth to5.be compared tect.fro

5、m.7.be appointed as8.burn to the ground9.be about to do sth. 10.refer to重點(diǎn)句式1_this boy，who had a great gift for languages and persuasion，is the father of the Manchu people.據(jù)說(shuō)這個(gè)男孩就是滿(mǎn)族人的祖先，他具有語(yǔ)言天賦和很強(qiáng)的說(shuō)服力。2I_ go back to sleep _ suddenly my bedroom became as bright as day.我剛要再睡，突然我的臥室亮如白晝。3The other two

6、 climbed down into the crater to collect some lava for later study，but _，I stayed at the top and watched them.另外兩人攀下火山口去收集供日后研究用的巖漿，我是第一次經(jīng)歷這樣的事，所以留在山頂上觀察他們。4_ the information，I help other scientists to predict where lava from the volcano will flow next and how fast.收集和評(píng)估這些信息之后，我就幫助其他科學(xué)家一起預(yù)測(cè)熔巖接著將往何處流

7、，流速是多少。1.It is said that2.was about to；when3.this being my first experience4.Having collected and evaluated知識(shí)詳解1appointvt.任命，委派；約定，指定，安排(回歸課本P34)I was appointed as a volcanologist working for the Hawaiian Volcano Observatory(HVO)twenty years ago.二十年前我被任命為火山學(xué)家，在夏威夷火山觀測(cè)站工作。14歸納拓展例句探源(牛津P82)They have a

8、ppointed a new headmaster at my sons school.我兒子讀書(shū)的學(xué)校任命了一位新校長(zhǎng)。(牛津P82)They appointed him (as) captain of the English team.他們?nèi)蚊麨橛⒏裉m隊(duì)隊(duì)長(zhǎng)。The time appointed for the meeting was 1030.規(guī)定開(kāi)會(huì)的時(shí)間是10點(diǎn)30分。(牛津P82)She made an appointment for her son to see the doctor.她為兒子約定了看醫(yī)生的時(shí)間。即境活用1我們?cè)诳紤]指定他當(dāng)秘書(shū)。We are consideri

9、ng _ _ _ act as secretary.答案：appointing him to2 suitv適合某人；對(duì)(某人)方便(回歸課本P34) 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(hù)服遮住全身，戴上了頭盔和特別的手套，還穿了一雙大靴子。例句探源(牛津P2022)If we met at 2，would that suit you?我們兩點(diǎn)鐘見(jiàn)面，你方便嗎？(牛津P2022)If you want to go by bu

10、s，that suits me fine.要是你想坐公共汽車(chē)，那對(duì)我也合適。A good teacher suits his lesson to the age of his pupils.一位優(yōu)秀的老師應(yīng)使他講的課適合學(xué)生的年齡。易混辨析fit，suit，match(1)fit多指衣服等尺寸、大小合身，合適。(2)suit指衣服等顏色、款式、花樣適合。(3)match意為“使相稱(chēng)，使相配，使匹配”，指事物在大小、色調(diào)、性質(zhì)等方面的搭配。I tried the dress on but it didnt fit.It was too small.In my opinion，red suits

11、you very well. Her clothes dont match her age.即境活用2Her shoes_her dress；they look very well together.Asuit BfitCCompare Dmatch解析：選D。句意：她的鞋和衣服很搭配，二者搭配看起來(lái)很不錯(cuò)。本題考查近義詞辨析。suit是指顏色、花樣或款式等相配；fit是大小、尺寸等合適；compare比較；match指兩個(gè)東西相稱(chēng)、匹配。3How about eight oclock outside the cinema?That_me fine.Afits BmeetsCsatisfies

12、 Dsuits解析：選D。本題考查動(dòng)詞詞義辨析。fit多指“(大小、尺寸等)適合，吻合”；suit多指“合乎需要、口味、條件等”；meet，satisfy常表示“滿(mǎn)足(需要)，符合(要求)”。3panic vi.& vt.(使人或動(dòng)物)受驚；驚慌(panicked/panicking) n驚慌；恐慌(回歸課本P38)I felt very nervous and had to force myself not to panic.我非常緊張，不得不強(qiáng)迫自己不要驚慌。歸納拓展例句探源(朗文P1478)Lisa panicked when she heard she might be fir

13、ed.莉薩聽(tīng)說(shuō)自己可能會(huì)被解雇后驚慌失措。(牛津P1440)There is no point getting into a panic about the exams.對(duì)考試驚慌失措是沒(méi)有用的。(朗文P1478)Small business owners are in a panic over whether they will survive.小企業(yè)主們不知道自己能否生存下去，因此惶恐不安。The audience were thrown into a panic when the fire started.一發(fā)生火災(zāi)，觀眾頓時(shí)陷入一片慌亂之中。即境活用4完成句子(1)看到廚房冒煙，我頓時(shí)

14、驚慌失措。I _ _ _ _ when I saw smoke coming out of the kitchen.答案：got into a panic(2)處于驚恐狀態(tài)的人往往會(huì)做出蠢事來(lái)。Often people _ _ _ do foolish things.答案：in a panic4guarantee vt.保證免受損失或傷害；確保 n保證；保證書(shū)(回歸課本P39)If you are lucky enough to visit the Lake of Heaven with your loved one，dont forget to drop a coin into the cl

15、ear blue water to guarantee your love will be as deep and lasting as the lake itself.如果你有幸和你的愛(ài)人一起游覽天池，不要忘了向清澈、湛藍(lán)的湖中投入一枚硬幣來(lái)保證你們的愛(ài)情像湖水一樣幽深而長(zhǎng)久。歸納拓展例句探源(朗文P919)Even if you complete your training.I cant guarantee you a job.即使你接受完培訓(xùn)，我也不能擔(dān)保你會(huì)有工作。(朗文P919)The plan would guarantee health care to all Americans

16、.這項(xiàng)計(jì)劃將保證所有美國(guó)人都能享受醫(yī)療保健服務(wù)。(朗文P919)Going out with friends is guaranteed to cheer you up.和朋友一起出去玩肯定會(huì)讓你高興起來(lái)。(朗文P919)Can you give me a guarantee that the work will be finished on time?你能向我保證工作會(huì)按時(shí)完成嗎？即境活用5完成句子(1)未來(lái)的科技將保證所有人都能擁有健康和幸福！Technology will _ _ _ _ _for all!答案：guarantee good health and happiness(2)

17、我們會(huì)盡力，但我不能保證我們會(huì)贏。We will do our best，but I cant _ _ _ _ _.答案：guarantee that we will win5anxiousadj.憂(yōu)慮的，不安的(回歸課本P38)I was so anxious and couldnt move at first.我非常擔(dān)心，一開(kāi)始嚇得動(dòng)彈不得。歸納拓展例句探源(朗文P75)Most children feel anxious about returning to school.大部分孩子對(duì)于重返校園感到焦慮。(牛津P75)She was anxious to finish school an

18、d get a job.她渴望畢業(yè)找份工作。(浙江高考)My mother always gets a bit anxious if we dont arrive when we say we will.如果我們不能在我們所說(shuō)的時(shí)間到達(dá)，母親總是有點(diǎn)焦慮。I felt anxiety for/about his safety when I heard the news of the train accident.當(dāng)我聽(tīng)到火車(chē)事故的消息時(shí)，我很擔(dān)心他的安全。(牛津P75)If you are worried about your health，share your anxieties with

19、your doctor.你要是擔(dān)心自己的健康，就把自己的憂(yōu)慮告訴醫(yī)生吧。即境活用6We had an anxious couple of weeks _for the results of the experiment.Await Bto be waitingCWaited Dwaiting解析：選D。由于是主語(yǔ)在等待，表主動(dòng)關(guān)系，且在題干中充當(dāng)方式狀語(yǔ)。動(dòng)詞不定式不作方式狀語(yǔ)，所以用現(xiàn)在分詞表主動(dòng)和伴隨。had an anxious couple of weeks waiting for .在焦急中等待的幾周。6make ones way前往；獲得成功(回歸課本P35)It was not

20、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(lái)實(shí)在不容易，但我們還是緩緩?fù)鹕娇诘倪吘壸呷?，并且向下看到了紅紅的沸騰的中央。歸納拓展例句探源(牛津P2274)Will you be able to make your way to the airport?你能自己去機(jī)場(chǎng)嗎？The man hesitated，but made his way to the woods.那個(gè)人

21、猶豫了一下，但還是朝樹(shù)林走去。Without experience on it，we have to feel our way.由于在這方面沒(méi)有經(jīng)驗(yàn)，我們必須摸索著前進(jìn)。As we got into a forest，we lost our way.進(jìn)入森林后我們迷路了。We fought our way through the forest.我們穿過(guò)森林前進(jìn)。即境活用7Mom，where did Cathy go?She _her way towards the centre of the town.AgotBdidCdecided Dmade解析：選D。句意：媽媽?zhuān)珻athy去哪里了？她去

22、市中心了。make ones way意為“前往”，符合句意。8A great man shows his greatness_the way he treats little men.Aunder BwithCon Dby解析：選D。本題考查介詞的用法。“借助某種方法和手段”常用by；而with強(qiáng)調(diào)使用具體工具。with this method搭配相當(dāng)于by the way。9I think he is taking an active part in social work.I agree with you_.Ain a way Bon the wayCby the way Din the

23、way解析：選A。in a wayin one way“在某種程度上”。on the way在途中；by the way順便說(shuō)；in the way擋道；礙事。句意：我在某種程度上同意你所說(shuō)的話(huà)。7vary from.to.由到不等(回歸課本P39)The land varies in height from 700 metres above sea level to over 2,000 metres and is home to a great diversity of rare plants and animals.這里地面的高度由海拔700米到2000多米不等，是多種多樣的珍稀動(dòng)植物的

24、生長(zhǎng)地。歸納拓展例句探源(朗文P2273)The price of seafood varies according to the season.海產(chǎn)品的價(jià)格隨季節(jié)而變化。Opinions on this matter vary from person to person.對(duì)于這件事，人人意見(jiàn)不一。As in China，the climate in Canada varies，depending on the area.正如中國(guó)一樣，加拿大的氣候也因地而異。For various/a variety of reasons，he didnt attend the meeting.因種種原因，他

25、沒(méi)參加會(huì)議。即境活用10It is obvious that the hopes，goals，fears and desires_ widely between men and women，between the rich and the poor.AalterBshiftCTransfer Dvary解析：選D。句意：很明顯男人和女人，富人和窮人在希望、目標(biāo)、恐懼和欲望方面有很大的不同。vary between.and.由到的情況不等。alter更改；transfer轉(zhuǎn)換；shift轉(zhuǎn)移，替換。句型梳理1【教材原句】 It is said that this boy，who had a gr

26、eat gift for languages and persuasion，is the father of the Manchu people.(P39)據(jù)說(shuō)這個(gè)男孩就是滿(mǎn)族人的祖先，他具有語(yǔ)言天賦和很強(qiáng)的說(shuō)服力?！揪浞ǚ治觥?1)It is said that.表示“據(jù)說(shuō)”的意思，實(shí)際上it為形式主語(yǔ)，that 引導(dǎo)的為主語(yǔ)從句。相當(dāng)于people say that.的意思。該結(jié)構(gòu)還可以改變成sb.is said to do.結(jié)構(gòu)。(2)注意根據(jù)動(dòng)詞不定式和is said動(dòng)作之間的時(shí)間關(guān)系，使用不定式的一般式、進(jìn)行式或完成式。John is said to be one of the be

27、st teachers in the school.It is said that John is one of the best teachers in the school.據(jù)說(shuō)約翰是這個(gè)學(xué)校最好的老師之一。He is said to have written a new book about workers.It is said that he has written a new book about workers.據(jù)說(shuō)他寫(xiě)了一本有關(guān)工人的新書(shū)。歸納拓展It was reported that more than 180 people had been killed in the fi

28、re.據(jù)報(bào)道，那場(chǎng)大火燒死了180多人。It is hoped that the terrible disease will soon be controlled.人們希望這種可怕的疾病能迅速得到控制。即境活用11Leonardo da Vinci(14521519)_birds kept in cages in order to have the pleasure of setting them free.Ais said to be buyingBis said to have boughtChad said to buy Dhas said to have bought解析：選B。本題考

29、查動(dòng)詞不定式及時(shí)態(tài)的應(yīng)用。因?yàn)閟ay與主語(yǔ)(人)是動(dòng)賓關(guān)系，所以應(yīng)用被動(dòng)語(yǔ)態(tài)；再由括號(hào)中的時(shí)間標(biāo)志可知應(yīng)用現(xiàn)在完成時(shí)。故選B。2【教材原句】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(píng)估了這些信息之后，我就幫助其他科學(xué)家來(lái)預(yù)測(cè)熔巖接著將往何處流去，流速是多少?！揪浞ǚ治觥縣aving collected and evaluated the info

30、rmation是現(xiàn)在分詞的完成式在句中作狀語(yǔ)，表明從句動(dòng)作發(fā)生在主句動(dòng)作之前。Having answered the teachers questions，she sat down and felt much more relaxed.回答老師的問(wèn)題后，她坐下來(lái)，感到輕松多了。Having been separated from other continents for millions of years，Australia has many plants and animals not found anywhere else in the world.由于與其他的大洲分離了幾百萬(wàn)年了，澳大利

31、亞有許多在世界上其他地方都找不到的動(dòng)植物?！緶剀疤崾尽窟^(guò)去分詞作狀語(yǔ)同現(xiàn)在分詞作狀語(yǔ)時(shí)一樣，其邏輯上的主語(yǔ)就是主句的主語(yǔ)，但所不同的是，過(guò)去分詞與主語(yǔ)之間存在被動(dòng)關(guān)系，但有時(shí)無(wú)被動(dòng)意味，只是表示一種狀態(tài)或動(dòng)作的完成，而現(xiàn)在分詞與主語(yǔ)之間存在著主動(dòng)關(guān)系。Given better attention，the flowers could have grown better.要是照看得好一點(diǎn)，這些花會(huì)長(zhǎng)得更好。Dressed in white，she looks really pretty.穿著白衣服，她看起來(lái)真美。Seeing the photo，he couldnt help thinking o

32、f his good old days.看到那張照片，他禁不住想起了美好的往昔。即境活用12_in the queue for half an hour，the old man suddenly realized he had left the cheque in the car.AWaitingBTo waitCHaving waited DTo have waited解析：選C。本題考查非謂語(yǔ)動(dòng)詞。根據(jù)the old man與wait之間的關(guān)系，應(yīng)該選擇v.ing形式，再根據(jù)句意得知他是先“wait”后才“realize”。所以先發(fā)生的動(dòng)作應(yīng)該用完成式Having waited。13_th

33、ere for some time，Mr.Johnson knew the place quite well.AHaving lived BLivingCTo live DLived解析：選A?？疾榉侵^語(yǔ)動(dòng)詞。Mr.Johnson與live之間構(gòu)成邏輯上的主動(dòng)關(guān)系，“先在那兒住一段時(shí)間”才能“很熟悉那個(gè)地方”，所以應(yīng)用v.ing形式的完成式作狀語(yǔ)。3【教材原句】The other two climbed down into the crater to collect some lava for later study，but this being my first experience，I s

34、tayed at the top and watched them.(P35)另外兩人攀下火山口去收集供日后研究用的巖漿，我是第一次經(jīng)歷這樣的事，所以留在山頂上觀察他們?！揪浞ǚ治觥縯his being my first experience 是獨(dú)立主格結(jié)構(gòu)。獨(dú)立主格結(jié)構(gòu)的構(gòu)成方法：n/pron.v.­ing/­ed/to do/n./adj./adv./prep.phrase。其中名詞或代詞起著邏輯主語(yǔ)的作用；另一部分表示狀態(tài)、狀況或動(dòng)作。獨(dú)立主格結(jié)構(gòu)本身不是句子，但在語(yǔ)義上相當(dāng)于一個(gè)句子。在句子中作狀語(yǔ)，表示時(shí)間、原因、條件、伴隨等。獨(dú)立主格結(jié)構(gòu)一般用逗號(hào)與主句分開(kāi)。T

35、he guide leading the way，we had no trouble getting out of the forest.向?qū)ьI(lǐng)著路，我們毫不費(fèi)勁地走出了森林。Weather permitting，we will go on an outing to the beach tomorrow.如果天氣允許的話(huà)，我們將在明天組織一次海濱旅游。He left the office，tears in eyes.他眼里含著淚水離開(kāi)了辦公室。He walked into the classroom，his head lowered.低著頭，他走進(jìn)教室。There being no one e

36、lse to turn to，I had to come to see you.我沒(méi)有其他可以求助的人，只能來(lái)找你。14The children went home from the grammar school，their lessons _for the day.AfinishingBfinishedChad finished Dwere finished解析：選B。本題考查名詞的獨(dú)立主格結(jié)構(gòu)。名詞短語(yǔ)their lessons和動(dòng)詞finish之間是被動(dòng)完成關(guān)系，故用過(guò)去分詞finished。即境活用15The car burns more fuel，but _all things in

37、to consideration，its still a good car.Ataken Bhaving takenCtaking Dto take解析：選C。獨(dú)立成分作狀語(yǔ)。注意有些分詞短語(yǔ)的形式是固定的，不受上下文影響，因此被稱(chēng)為獨(dú)立成分。句意：這輛汽車(chē)耗油量較大，但是綜合整體情況來(lái)看，它仍不失為一部好車(chē)。作文指導(dǎo)說(shuō)明文【體裁導(dǎo)航】說(shuō)明文，顧名思義，就是要說(shuō)清、道明?？梢?jiàn)，清晰的描述、不紊的條理、分明的層次和準(zhǔn)確的用詞，都是說(shuō)明文最明顯的特征。無(wú)論是文字?jǐn)⑹鲞€是圖表標(biāo)識(shí)，只要無(wú)時(shí)間限制，說(shuō)明文中一般都要用現(xiàn)在時(shí)態(tài)。圖表說(shuō)明文是近年來(lái)高考英語(yǔ)寫(xiě)作的重點(diǎn)、熱點(diǎn)，也是國(guó)家英語(yǔ)課程標(biāo)準(zhǔn)所要求掌握的

38、。做這一寫(xiě)作題型時(shí)，同學(xué)們最好能在分清圖與圖之間邏輯關(guān)系的基礎(chǔ)上，列出要點(diǎn)，逐條予以說(shuō)明。這樣，既能避免主次不分，又能有效防止要點(diǎn)的遺漏。巧用過(guò)渡性詞語(yǔ)，能使文章結(jié)構(gòu)緊湊，條理清晰。中學(xué)階段常用的過(guò)渡詞語(yǔ)主要有以下幾類(lèi)：1表示時(shí)間順序：first, then, afterwards, to begin with, meanwhile, later, soon, finally .2表示空間順序：near, next to, far from, in front of, on the left, on one side .3表示并列關(guān)系：and, as well as, also, too .4

39、表示因果關(guān)系：because, for, since, as a result (of), therefore, thus, thanks to .5表示遞進(jìn)關(guān)系：besides, whats more, moreover, furthermore, in addition, also, one more thing .6表示比照關(guān)系：like, unlike, such as，but, however, on the other hand, on the contrary .7表示條件關(guān)系：if, unless, as long as, so long as, on condition th

40、at .8表示概括關(guān)系：in general, in a word, in short, on the whole, to sum up .【寫(xiě)作示例】由于現(xiàn)代科學(xué)技術(shù)的發(fā)展，人們現(xiàn)在的日常生活已與幾十年前的大不一樣。那么，隨著社會(huì)和科學(xué)技術(shù)的進(jìn)一步發(fā)展，未來(lái)人們的生活又會(huì)是什么樣的呢？請(qǐng)你以“未來(lái)生活”為主題，從人類(lèi)的工作、身體的變化、生活的環(huán)境、交通設(shè)施、溝通方式、住房等方面，展開(kāi)想象，描述一下未來(lái)美好的生活。要求：1.想象合理，表達(dá)清晰，有條理。2描述你想象中的未來(lái)生活。3詞數(shù)：120150?！緦?xiě)作要領(lǐng)】本文的體裁是說(shuō)明文，主題是未來(lái)的生活，時(shí)態(tài)應(yīng)為一般將來(lái)時(shí)。要求學(xué)生預(yù)測(cè)并適當(dāng)描述幾十

41、年以后生活可能發(fā)生的變化，表達(dá)自己對(duì)未來(lái)美好的愿望。文章可以分為三部分：一、開(kāi)頭，二、主體，三、結(jié)尾。第一部分(第1段)開(kāi)門(mén)見(jiàn)山，直接點(diǎn)題，指出未來(lái)的生活肯定會(huì)發(fā)生巨大的變化。第二部分(第2和3段)發(fā)揮想象，具體闡述?？蓮娜藗?nèi)粘Ｉ畹母鱾€(gè)方面(工作、交通、教育學(xué)習(xí)、休閑娛樂(lè)、環(huán)境等)入手。第三部分(第4段)提出建議，表達(dá)自己美好的愿望。【金點(diǎn)模板】一、開(kāi)頭(表達(dá)個(gè)人觀點(diǎn))I suppose that .Personally, I think that .With science and technology developing, it is certain that .二、主體1句型In

42、the future we will.More people will be able to .At that time, people will be using .There will be no need to .2過(guò)渡詞besides/in addition/whats more/furthermore而且for example/for instance/such as舉例instead of代替，而不是not only .but also .不但而且in other words換句話(huà)說(shuō)that is to say也就是說(shuō)三、結(jié)尾1句型Compared to the life toda

43、y, the future life will be .No matter what happens in the future, we will .2過(guò)渡詞altogether總之；above all 最重要的是；however然而【范文點(diǎn)評(píng)】The Future LifeWith science and technology developing fast, it is certain that the future life will be more convenient and fast­paced.In the future we will have more free t

44、ime and we may change jobs several times in our career.More people will be able to work at home, doing less manual work but more learning and thinking, which will make our brains bigger and bodies smaller.Besides, transportation will become cleaner, faster, cheaper and not so crowded.There will be n

45、o need to worry about the environment being polluted while traveling, for new fuels and engines will be used.At that time，people will be using the Internet to shop and do business while stores will be more like entertainment parks.People will live in green houses and keep in touch with each other by

46、 using advanced videophones which can also be used for shopping and banking.Altogether, compared to the life we live today，the future life will be totally different. However, no matter what happens in the future, as long as we learn to accept change and appreciate what is new and different，we will b

47、e well prepared for whatever the future may have in store and enjoy a happier and healthier life.點(diǎn)評(píng)：由復(fù)合結(jié)構(gòu)“with賓語(yǔ)賓語(yǔ)補(bǔ)足語(yǔ)”引出話(huà)題，自然流暢。此句準(zhǔn)確得體地運(yùn)用了非謂語(yǔ)動(dòng)詞作狀語(yǔ)和非限制性定語(yǔ)從句。使用過(guò)渡詞besides，把話(huà)題自然引到“交通方式的變化”上。準(zhǔn)確使用There is no need to do.句型，且多處使用非謂語(yǔ)動(dòng)詞，如：to worry，being polluted，traveling。使用while來(lái)銜接兩個(gè)不同的未來(lái)變化；前一個(gè)分句用將來(lái)進(jìn)行時(shí)使舉例時(shí)語(yǔ)言更生動(dòng)形象。by引導(dǎo)的方式狀語(yǔ)中包含有一個(gè)定語(yǔ)從句。用altogether引出對(duì)上面兩段的猜想的