高中英語(yǔ)必修1(外研版)Unit5ALessoninaLab知識(shí)點(diǎn)總結(jié)

1、- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司高中英語(yǔ)必修1（外研版） Unit 5 A Lesson in a Lab知識(shí)點(diǎn)總結(jié)一、重點(diǎn)詞匯expand基本用法expandvi. 膨脹；張開(kāi)，伸展；詳述Metals expand when they are heated.金屬遇熱則膨脹。Would you expand upon the matter a little further?請(qǐng)你再進(jìn)一步談?wù)勥@件事好嗎?Our foreign trade has expanded during recent years.近年來(lái)我們的對(duì)外貿(mào)易有所增加。知識(shí)拓展相關(guān)短語(yǔ)1. expand on/upon充分闡述

2、，詳談I am quite satisfied with your explanation, so theres no need to expand on it.我對(duì)你的解釋很滿意，沒(méi)有必要再細(xì)說(shuō)了。2. expand .in/into.把 .擴(kuò)展成He expanded his short story into a book.他把他的短篇小說(shuō)擴(kuò)充成一本書(shū)。相關(guān)單詞1. expansionn. 擴(kuò)展，擴(kuò)大；展開(kāi)The suburbs are an expansion of cities.郊區(qū)是城市的延伸。2. expansive adj. 擴(kuò)張性的；滔滔不絕的；廣闊的As a new mate

3、rial, its prospective will be more expansive in the future.作為一種新型材料，它的發(fā)展前景十分廣闊。After shed had a few drinks, Mary became very expansive.瑪麗喝了幾杯酒，話就滔滔不絕了。- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司contract基本用法1. contractn. 合同；契約Our school will make/sign a contract with the company.我們學(xué)校會(huì)與那家公司簽合同。2. contract v. 簽訂合同；使收縮；感染，得病to

4、 contract a virus/ a disease感染病毒 /疾病Metal contracts as it cools.金屬遇冷會(huì)收縮。substance原文再現(xiàn)The reaction of metals with these substances can be put in order.金屬與這些物質(zhì)的反應(yīng)可以按反應(yīng)強(qiáng)烈程度排列起來(lái)?；居梅╯ubstancen. 物質(zhì)；實(shí)質(zhì)；內(nèi)容；重要性No matter what substance it may be, it is made up of atom.不管這是什么物質(zhì)，都由原子構(gòu)成。Salt is a substance we u

5、se in cooking.鹽是我們做菜時(shí)用的東西。This argument has some substance.這項(xiàng)爭(zhēng)論具有一定的重要性。知識(shí)拓展 -詞義辨析： substance/ material/matter這組詞都可表示“物質(zhì) ”。其區(qū)別在于 :1. matter 泛指構(gòu)成客觀物體或宇宙的所有物質(zhì)。在物理學(xué)上指由很少的幾種基本粒子構(gòu)成的物質(zhì)；在哲學(xué)上則指與 mind （意識(shí)）相對(duì)的物質(zhì)。如:Matter occupies space.物質(zhì)占據(jù)空間。2. material和 substance都可指構(gòu)成或制作某物的材料或零件，material 特指人造制品的制作原料，substan

6、ce則指某種可使某物具有某種特性的特殊物質(zhì)。如:- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司The tips of matches are covered with chemical substance.火柴頭上包著一層化學(xué)物質(zhì)。3. material還可指文學(xué)創(chuàng)作的素材，而其他的詞卻無(wú)此義。如:He is now collecting material for a biography of Du Fu.他正在為寫(xiě)作杜甫傳記而收集資料。The country has to import most of its raw material.這個(gè)國(guó)家原料大部分靠進(jìn)口。mixture基本用法mixturen

7、. 混合物You need a spoon to beat the mixture smooth.你需要用一把調(diào)羹來(lái)攪均混合液。Air is a mixture, not a compound of gases.空氣是氣體的混合物，不是化合物。知識(shí)拓展 -相關(guān)單詞1. mixv. 混合；弄混We can sometimes mix business with pleasure.我們有時(shí)能把工作和娛樂(lè)結(jié)合起來(lái)。Many women successfully mix marriage and career.許多女人能成功地將婚姻和事業(yè)結(jié)合起來(lái)。You cannot mix oil with wat

8、er.你不能把油與水相混合。2. mixedadj.混合的；男女混合的Underneath, her feelings are very mixed.心底里，她的情感是復(fù)雜的。There is a mixed doubles this afternoon.今天下午有一場(chǎng)男女混合雙打比賽。electricity基本用法electricityn. 電；電學(xué)- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司W(wǎng)e use electricity in order to run machine.為了運(yùn)行機(jī)器我們使用電力。While I was cooking supper the electricity went

9、off.我正在做晚飯時(shí)停電了。知識(shí)拓展詞義辨析： electricity/ electrical/ electric/ electronic1. electricityn. 電；電學(xué)。 如： We cannot see electricity but it is very dangerous.我們看不見(jiàn)電，但它很危險(xiǎn)。2. electricaladj. 電的；與電有關(guān)的；電氣科學(xué)的；如： an electrical engineer電氣工程師3. electricadj.電動(dòng)的；電力的；以電為動(dòng)力的。如：an electric train 電動(dòng)火車4. electronicadj. 電子的；如

10、： electronic music.電子音樂(lè)相關(guān)短語(yǔ)cut off electricity斷電make electricity導(dǎo)電supply of electricity電力供應(yīng)stage基本用法stagen. 階段；時(shí)期；舞臺(tái)They set out on the last stage of their journey.他們開(kāi)始了旅行的最后一程。My teenage daughter wants to go on the stage.我十幾歲的女兒想當(dāng)演員。We may compare the world to a stage.我們可以把世界比作一個(gè)舞臺(tái)。The baby has rea

11、ched the stage where he can stand up.嬰兒到了能站立的階段。conclusion基本用法conclusionn. 結(jié)論；結(jié)局；推論I found the conclusion of her story very exciting.- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司我覺(jué)得她那故事的結(jié)尾很激動(dòng)人心。Some found the conclusion of the film Titanic very disappointing.有些人覺(jué)得電影泰坦尼克號(hào)的結(jié)尾是令人失望的.知識(shí)拓展相關(guān)單詞concludevt. 得出結(jié)論What do you conclude

12、from that?你從那件事中得出什么結(jié)論？I conclude that he would spoil his child.我斷定他會(huì)慣壞孩子。相關(guān)短語(yǔ)1. come to/arrive at/reach/ draw a conclusion得出結(jié)論I have come to the conclusion that he is not the right person for the job.我斷定他不適合這項(xiàng)工作。We can safely draw some conclusions from our discussion.從討論中我們可以有把握地得出一些結(jié)論。2. bring. to

13、 a conclusion使. 結(jié)束；終止3. in conclusion總而言之；最后In conclusion, Id like to thank you for all you have done for me.最后，我要感謝你們?yōu)槲宜龅囊磺?。aim原文再現(xiàn)Aim: To find out if iron rusts (a) in dry air; (b) in water that has no air in it (air-free water); (c) inordinary water.目的：查明鐵在下列物質(zhì)中是否生銹（ a）在干燥的空氣中； （ b）在沒(méi)有空氣的水中； （c

14、）在普通水中?；居梅?. aim n. 目標(biāo)，目的；瞄準(zhǔn)She went to London with the aim of finding a job.她去倫敦是為了找工作。What is your aim in life?- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司你的生活目標(biāo)是什么？2. aim v. 力爭(zhēng)做到；意欲；企圖We should aim at/for a bigger share of the market.我們應(yīng)該力爭(zhēng)更大的市場(chǎng)份額。The book is aimed at very young children.這本書(shū)的對(duì)象是幼童。知識(shí)拓展 -相關(guān)短語(yǔ)1. aim at 瞄準(zhǔn)

15、；目的在于aim at為 “不及物動(dòng)詞 + 介詞 ”構(gòu)成的短語(yǔ)動(dòng)詞，起及物動(dòng)詞作用，可直接用作謂語(yǔ)，既可表示動(dòng)作，亦可表示狀態(tài)。例如：I wonder what he was aiming at.我不知道他當(dāng)時(shí)的目的何在。I aimed at the target but hit the wall.我瞄準(zhǔn)了靶射擊,但卻打在了墻上。Our products aim at improving your English skills.我們的產(chǎn)品旨在提高您的英語(yǔ)水平。2. be aimed at目.的在于 ；旨在 aimed 為過(guò)去分詞，需同be 動(dòng)詞連用，它只表示狀態(tài)。例如：The visit wa

16、s aimed at expanding relations between the two countries.這次訪問(wèn)的目的是發(fā)展兩國(guó)關(guān)系。3. with the aim of以.為目標(biāo)；目的是She went to London with the aim of finding a job.她去倫敦是為了找工作。4. aim to do sth.目的在于 ；旨在做 I aim to be a policeman when I leave school.我打算中學(xué)畢業(yè)以后當(dāng)警察。5. achieve ones aim/goal實(shí)現(xiàn)目標(biāo)reaction原文再現(xiàn)The reaction of m

17、etals with these substances can be put in order.- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司金屬與這些物質(zhì)的反應(yīng)可以按反應(yīng)強(qiáng)烈程度排列起來(lái)?；居梅╮eactionn. 反應(yīng)；生理反應(yīng)；反應(yīng)能力Could I ask for your reaction to this policy?我能問(wèn)一下您對(duì)這個(gè)政策的反應(yīng)嗎？Im displeased at your reaction.我對(duì)你的反應(yīng)很不滿意。The medicine produced a violent reaction.這藥物引起了劇烈的反應(yīng)。知識(shí)拓展 -相關(guān)單詞reactv. 產(chǎn)生作用；作出反

18、應(yīng)（常用于 react to對(duì)“ 起反應(yīng) ”）It is said that most babies react to loud noise and behave differently.據(jù)說(shuō)大多數(shù)嬰兒對(duì)于噪聲有反應(yīng)而且表現(xiàn)是不同的。How did they react to your suggestion?他們對(duì)你的建議有什么反應(yīng)？equipment原文再現(xiàn)Steel is used in cars, and iron is used in electrical equipment.鋼可以用來(lái)制造汽車，鐵可以用于電器設(shè)備。基本用法equipmentn.設(shè)備；裝備；器材The governme

19、nt has an interest in importing scientific equipment.政府對(duì)引進(jìn)科學(xué)設(shè)備非常感興趣。We should make a better use of the existing equipment.我們應(yīng)該更好地利用現(xiàn)有設(shè)備。The store sells tents and other camping equipment.這家商店出售帳篷和其他野營(yíng)用具。注意： equipment是不可數(shù)名詞，不能說(shuō)equipments或 an equipment 。知識(shí)拓展相關(guān)單詞- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司equipv. 裝備，配備We equip

20、our children with a good education.我們使孩子們受到良好的教育。Youd better equip your bicycle with a head light.你最好在你的自行車上裝個(gè)前燈。相關(guān)短語(yǔ)be equipped with.被配備 .The room is equipped with air conditioning.這個(gè)房間裝有空調(diào)設(shè)備。partial基本用法partialadj.部分的；局部的；偏袒的You will receive some partial credit even you dont finish it.如果你沒(méi)作完的話，你還是可

21、以得到部分的分?jǐn)?shù)。His partial attitude called forth a lot of criticism.他的偏袒態(tài)度招致了不少批評(píng)。Dont be partial to your own child.別護(hù)著自己的孩子。Im very partial to sweet foods.我非常偏愛(ài)甜食。知識(shí)拓展 -相關(guān)單詞1. part n. 部分；角色；零部件A large part of Africa is made up of thick forest.非洲的大部分地區(qū)都是密林。Curiosity is part of the childrens nature.好奇是兒童的天

22、性。Parents play an important part in our character shaping.父母在我們個(gè)性形成中起很重要的作用。2. partv. 斷裂；分離；分開(kāi)He has been abroad since he parted from me.- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司自從他離開(kāi)我后，他一直在海外。rust原文再現(xiàn)Aim: To find out if iron rusts (a) in dry air; (b) in water that has no air in it (air-free water); (c) inordinary water.

23、目的：查明鐵在下列物質(zhì)中是否生銹（ a）在干燥的空氣中； （b）在沒(méi)有空氣的水中； （c ）在普通水中?；居梅?. rustvi.生銹；變成銹色We have developed a steel that will not rust.我們已經(jīng)研制出一種不會(huì)生銹的鋼。The leaves slowly rust in autumn.秋天樹(shù)葉慢慢變成紅褐色。Without practice her tennis will rust.如不經(jīng)常練習(xí)，她的網(wǎng)球?qū)?huì)荒廢。2. rustn. 鐵銹；赤褐色I(xiàn)ron gathers rust easily.鐵易生銹。The car has been spec

24、ially treated against rust.這輛汽車經(jīng)過(guò)專門的防銹處理。知識(shí)拓展 -相關(guān)單詞rustyadj. 生銹的；荒廢的；銹色的The lock on the door is rusty and wont open.門上的鎖銹住了。Your English has got rusty; you must brush it up.你的英語(yǔ)已經(jīng)荒疏了，必須重新學(xué)過(guò)。boil原文再現(xiàn)Boil the water for three minutes.加熱讓水沸騰三分鐘。- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司基本用法1. boil v. 煮沸；激動(dòng)；蒸發(fā)Mind you! Dont le

25、t the pot boil dry.小心，別讓水壺?zé)闪恕he cant boil potatoes, let alone cook a meal.她連土豆都不會(huì)煮，更別說(shuō)做飯。His rudeness made me boil with anger.他的粗魯使我發(fā)火。2. boiln. 沸騰；煮沸The restless students are on the boil again.不安分的學(xué)生們又處于激動(dòng)之中。知識(shí)拓展 -相關(guān)單詞1. boiledadj.煮沸的，煮熟的Do you want a boiled egg for breakfast?你早飯要吃煮雞蛋嗎？2. boiling

26、adj.沸騰的；激昂的Let the tea leaves steep in boiling water for five minutes.讓茶葉在滾開(kāi)的水中浸泡五分鐘。ordinary原文再現(xiàn)Aim: To find out if iron rusts (a) in dry air; (b) in water that has no air in it (air-free water); (c) inordinary water.目的：查明鐵在下列物質(zhì)中是否生銹（ a）在干燥的空氣中； （ b）在沒(méi)有空氣的水中； （c ）在普通水中。基本用法ordinaryadj. 普通的；平凡的；平淡的A

27、fter an ordinary day at the office I feel completely washed up.在辦公室是熬過(guò)了平凡的一天后，我精疲力竭了。She has intelligence beyond the ordinary.她聰明過(guò)人。It was a very ordinary day today.- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司今天是很平常的一天。知識(shí)拓展 -詞義辨析： ordinary/ common/ usual/ normal1. ordinary 普通的；平常的；平凡的 。強(qiáng)調(diào)等級(jí)和類屬方面普通。 指人時(shí)， 該詞指既不顯赫也不低調(diào)；指物時(shí)指品質(zhì)或質(zhì)

28、地水平一般。有“平庸無(wú)奇 ”之意。如：He is out of the ordinary among the children.他是一個(gè)不尋常的孩子。2. common“普通的；常見(jiàn)的 ”。強(qiáng)調(diào)經(jīng)常發(fā)生，司空見(jiàn)慣，不顯赫或不特別，可修飾人或物。也可指“共同的，共存的”。如：The plants are common here.這些植物在這里很普遍。I have a lot in common with my father.我和我爸爸又很多共同之處。3. usual 通“常的，慣例的 ”。強(qiáng)調(diào)依照慣例來(lái)判斷，有 “遵循常規(guī) ”之意。如：This morning they went to scho

29、ol by school bus as usual.今天早上他們像往常一樣乘坐校車去上學(xué)。4. normal 正“常的，合乎標(biāo)準(zhǔn)的 ”。強(qiáng)調(diào)在正常情況下應(yīng)有的。如：His temperature was two degrees above normal.他的體溫比正常體溫高兩度。float基本用法1. floatvi. 漂?。桓‖F(xiàn)；飄動(dòng)There is not enough water to float the ship.沒(méi)有足夠的水使船漂浮起來(lái)。These plants float on the surface of the water.這些植物漂浮在水面上。People seem to f

30、loat in and out of my life.不同的人在我的生命中出現(xiàn)和消失。2. floatn. 漂浮物；漂浮Wed be in the same life boat, if we had a float.如果我們有一段漂流的旅程，我們也將在同一個(gè)救生艇.form- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司基本用法1. formvi. 形成；建立A plan began to form in his head.一項(xiàng)計(jì)劃在他腦子中形成。I cannot form any opinion about it.我對(duì)此還不能形成什么看法。He determined to form a club.他決

31、心成立一個(gè)俱樂(lè)部。2. form n. 形式；形狀；表格To apply for a job, you must fill out/in a form.申請(qǐng)工作要填表。Jogging is a healthy form of exercise.慢跑是有益健康的鍛煉方式。知識(shí)拓展 -相關(guān)短語(yǔ)1. in the form of.以. 的形式，呈 .的狀態(tài)Churches are often built in the form of a cross.教堂常常建成十字形。Light and sound move in the form of wave.光線和聲音以波的形式傳播。2. take the

32、form of.采取 .的形式Our next class will take the form of a debate.我們下一堂課將采用辯論的形式。dissolve基本用法dissolvev. 溶解；解散；解決Both salt and sugar dissolve easily.鹽和糖均易溶解。My sadness slowly began to dissolve.我的悲哀漸漸開(kāi)始消散。Given enough time, water will dissolve almost everything.- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司如果有足夠的時(shí)間話，水幾乎會(huì)溶解所有的東西.All

33、his hopes dissolved at the terrible news.那個(gè)極壞的消息使他的一切希望都破滅了。知識(shí)拓展 -相關(guān)單詞dissolvedadj. 溶化的；溶解的The mystery remains to be dissolved.那個(gè)謎尚待解開(kāi)。balance基本用法1. balancen. 平衡；天平；結(jié)余The girl lost her balance and fell off the balance beam.小女孩失去了平衡，從平衡木上摔了下來(lái)。The balance (of 500) will be paid within one week.余欠之?dāng)?shù)（ 50

34、0 英鎊）將于一周內(nèi)付清。This painting has a pleasing balance of shapes and colors.這幅畫(huà)在構(gòu)圖和色彩方面都十分諧調(diào)。2. balancev. 均衡；權(quán)衡；抵消Try to balance your diet by eating more fruit and less protein.多吃些水果，少攝入些蛋白質(zhì)，使飲食均衡合理。His wifes sudden death upset the balance of his mind.他妻子突然去世，他感到六神無(wú)主。知識(shí)拓展相關(guān)單詞balancedadj. 均衡的；平衡的；平穩(wěn)的Barry

35、 should learn how to eat a balanced diet.巴里應(yīng)該懂得如何吃均衡的飲食。相關(guān)短語(yǔ)1. on balance 全面考慮之后，總的說(shuō)來(lái)On balance, we have a good chance of winning the race.總的來(lái)說(shuō)，我們很有希望贏得比賽。- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司2. in the balance 在危機(jī)狀態(tài)中； 懸而未決The future of the nation hangs in the balance.國(guó)家的前途安危未卜。flame基本用法1. flame n. 火焰；熱情；燃燒A flame of

36、anger lighted in his heart.他怒火中燒。The little flame of life sinks lower and lower.生命的細(xì)小的火焰越來(lái)越微弱。2. flame v. 燃燒；爆發(fā)；面紅The fire flamed up when they left.他們走后火又燒了起來(lái)。Her face flamed with embarrassment.她窘得滿臉通紅。The evening sky flamed with red and orange.傍晚天空的顏色是一片火紅和橘黃相間。知識(shí)拓展 -相關(guān)短語(yǔ)1. flame up復(fù)燃；臉紅The fire fl

37、amed up when we thought it was out.我們認(rèn)為火滅了，可它又燃燒了起來(lái)。The quiet girl flamed up when the man asked her to dance.當(dāng)這位男士邀請(qǐng)這位文靜的女孩跳舞時(shí)，她的臉紅了。2. flame with.因.而漲紅了臉She flamed with anger when she heard how her mother had been treated.她聽(tīng)了母親的遭遇，氣得滿臉通紅。facility原文再現(xiàn)The science facilities are very good, with labora

38、tories that have all the latest equipment.這些科研設(shè)備很好，實(shí)驗(yàn)室配有最新的設(shè)備。- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司基本用法facilityn. （常作復(fù)數(shù)）設(shè)備；工具；能力，技能There are few recreational facilities in our school.我們學(xué)校里幾乎沒(méi)有什么娛樂(lè)設(shè)施。He has great facility in learning languages.他很有學(xué)習(xí)語(yǔ)言的才能。While you are waiting, let me tell you about our facilities.您等待的

39、時(shí)候，我來(lái)向您介紹一下本公司的設(shè)備。知識(shí)拓展 -相關(guān)短語(yǔ)facilities for study研究設(shè)備facilities for transportation交通設(shè)施shopping/banking facilities購(gòu)物 /銀行設(shè)施public facilities公共設(shè)施department原文再現(xiàn)Im going to try to go to either Montreal or Ottawa University, as both are supposed to have goodPhysics Departments.我在努力爭(zhēng)取上蒙特利爾或渥太華大學(xué)，因?yàn)閮蓚€(gè)大學(xué)都有不錯(cuò)的

40、物理系。基本用法departmentn. （大學(xué)的）科，系；部門；局He was elected the dean of our department.他被選為我們系的系主任。He runs his department with a heavy hand.他采取強(qiáng)硬措施管理所屬部門。Can you direct me to the shoe department?請(qǐng)告訴我賣鞋部在哪里。In our department, this rule has become a dead letter.在我們這個(gè)部門，這條制度已成為一紙空文。astonished原文再現(xiàn)- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育

41、公司My parents are astonished.我的父母感到很吃驚?；居梅╝stonishedadj.吃驚的，驚愕的（一般用來(lái)修飾人或人的面部表情）She gave him an astonished look.她驚訝地看了他一眼。He is astonished to hear he has got the job.他聽(tīng)到獲得了那份工作而感到驚訝。知識(shí)拓展相關(guān)單詞1. astonishvt. 使. 驚訝；使 吃驚The news astonished everyone.這消息使大家感到驚訝。2. astonishing adj. 驚人的；令人吃驚的（一般用來(lái)修飾物）She ran

42、100 meters in an astonishing 13 seconds.她以驚人的13 秒跑完了100 米。3. astonishmentn. 驚訝；令人驚訝的事物To our astonishment, they arrived on time.使我們驚訝的是，他們準(zhǔn)時(shí)到了。相關(guān)短語(yǔ)1. be astonished at.對(duì) 感到驚訝We were astonished at the news of her sudden death.她突然去世的消息使我們震驚。2. be astonished to do sth.對(duì)（做） 感到驚訝She was astonished to hear

43、 what had happened.聽(tīng)到了所發(fā)生的事她感到驚訝。suppose原文再現(xiàn)Im going to try to go to either Montreal or Ottawa University, as both are supposed to have goodPhysics Departments.- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司我在努力爭(zhēng)取上蒙特利爾或渥太華大學(xué)，因?yàn)閮蓚€(gè)大學(xué)都有不錯(cuò)的物理系?；居梅╯upposev. 以為，猜想；假定I suppose that I can see you soon.我想我很快就能見(jiàn)到你。Let us suppose that h

44、is statement is right.假定他的供述正確。Suppose the poor girl to be your daughter.假定那可憐的女孩是你女兒。知識(shí)拓展 -相關(guān)短語(yǔ)1. be supposed to理應(yīng)；按理說(shuō)；旨在He is supposed to be there on time.按理他應(yīng)準(zhǔn)時(shí)到那兒。You are supposed to shake hands when you meet someone for the first time in China.在上學(xué)的日子，我們應(yīng)該在7:20 之前到校。This law is supposed to help

45、the poor.這條法律旨在幫助窮人。2. supposing that假如 Supposing that he does not come, shall we go without him?假如他不來(lái)，我們不帶他就走嗎?be proud of基本用法be proud of.為 .感到驕傲 /自豪 =take pride inI am proud of knowing him.我為認(rèn)識(shí)他而感到自豪。He was proud of/took a great pride in being a member of the club.他以身為那個(gè)俱樂(lè)部的會(huì)員而深感自豪。知識(shí)拓展 -相關(guān)短語(yǔ)1. be

46、 proud to do sth.因做某事而感到自豪。I am very proud to call you my friend.- 中國(guó)首家承諾學(xué)習(xí)效果的在線教育公司能夠和你以朋友相稱，我感到自豪。2. be proud that. 以.為榮He felt proud that he was elected chairman.他以當(dāng)選主席為榮。used to基本用法used to過(guò)去常常 ，強(qiáng)調(diào)與現(xiàn)在的對(duì)比。I used to live in London.我過(guò)去一直住在倫敦。He used to smoke a pack of cigarette a day.他過(guò)去經(jīng)常一天抽一包香煙。注意

47、：used to.的否定句常用didnt use to或used not to(usednt to)；疑問(wèn)句常用did.use to.?有時(shí)也用 used.to.?如：He didnt use to drink.= He usednt to drink.他以前不喝酒。Did you use to be a teacher?你以前是老板嗎？知識(shí)拓展 -詞義辨析： used to do sth/ be(get) used to(doing) sth. / be used to do sth. /be used for (doing)sth.1. used to do表示過(guò)去常常 .We used to sing songs together.我們過(guò)去常常一起唱歌。3. be/get used to (doing) sth.表示習(xí)慣 (做 )某事We are used to having dinner together.我們習(xí)慣一起吃晚飯。3. be used to do / be used for(doing)sth.表示被用作（做）什么事情Wood is used to