專題04連詞與介詞教學案高考英語熱點題型和提分秘籍Word版含解析

1、連詞的介詞也是高考必考點，每年都保持在一至兩個題目，命題形式除了單項填空外還在完形填空、語法填空、短文改錯中進行考查，其考點主要涉及常用介詞的用法區(qū)別，介詞與動詞、名詞、形容詞等的常見搭配，介詞在特定語境中的選用和介詞短語的用法等。熱點題型一 并列連詞例1、2017北京卷 Peter, please send us postcards _ well know where you have visited.No problem.Abut Bor Cfor Dso【答案】D【解析】考查連詞。so (that) 意為“為了，以便”，由句意可知答案選 D。句意：“彼得， 請發(fā)給我們明信片以便我們能知道

2、你參觀過的地方?！薄皼]問題?！薄咎岱置丶糠诸愡B詞意義例句注意表并列and和，又，而I make the payments and keep the accou- nts.我管付款和記賬。表并列not only.but also.不但而且Not only is that problem very important，but(also) it is very difficult to be solved.那個問題不僅十分重要，而且還難以解決。Not only you but(also)I am to blame.不但你，我也要受到責備。The Great Wall is made not onl

3、y of bricks and stones but of flesh and blood of the working people.長城不僅是用磚頭和石頭建成的，而且還是用勞動人民的血肉筑成的。(1)放在句首時，如果連接一個分句，表示強調(diào)，這時要用倒裝句；若連接兩個主語則不用倒裝。(2)連接兩個主語，謂語動詞的形式采用就近原則。(3)連接一個句子的相同的句子成分，不能出現(xiàn)交叉現(xiàn)象。表并列as well as也，又A teacher should entert- ain as well as teach.教師不僅要教書，也要能引起學生的興趣。Your brother as well as y

4、ou is very kind to me.你弟弟和你對我都很好。We should know about why we should do it as well as how to do it in learning.在學習的過程中，我們不但要知其然，更應知其所以然。(1)連接兩個并列成分作主語時，句子的謂語動詞應與前面那個名詞或代詞在人稱和數(shù)上保持一致。(2)與漢語語序不盡相同。它所強調(diào)的是前者。表并列both.and.不但而且；既又Both my brother and my sister ran to help me.我的弟弟和妹妹都跑來幫助我。when就在那時We were abou

5、t to leave when it began to rain.我們正要動身，就在這時天開始下雨了。I was wandering through the streets when I caught sight of a tailors shop.我正在街上徘徊，忽然看見了一家裁縫店。相當于and then，at that time，just then，一般置于第二個分句句首，第一分句多用過去時、過去進行時。表轉(zhuǎn)折but但是He is old，but he looks young.他年紀大了，但看上去很年輕。but表示轉(zhuǎn)折時，不能與從屬連詞although/though/as/in spit

6、e of/despite(盡管)出現(xiàn)在同一個句子中。yet然而He got up early，(and)yet he failed to catch the early bus.他起得早，可還是沒趕上早班車。表轉(zhuǎn)折however可是，盡管如此He knew what he want- ed，however, he didnt know how to get it.他知道他需要什么，但不知道怎樣去得到它。However，well look into the matter.不過我們會調(diào)查此事的?？芍糜诰涫?、句中、句末，常用逗號與分句隔開。它與but最大的區(qū)別在于其后有沒有逗號，有逗號，用howev

7、er；沒有逗號，就用but。nevertheless但是She was very tired，nevertheless she kept on doing homework.她雖然很疲憊，但卻堅持寫作業(yè)。表因果so因此It was rather late，so we decided to go home.天很晚了，所以我們就決定回家了。She coughed badly，(and)so she went to see a doctor.她咳嗽得厲害，于是去看醫(yī)生了。不能與because，since，as同時用在同一個句子中，so指由很清楚的原因?qū)е碌慕Y果。for因為，由于It must hav

8、e rained last night，for the road is still wet.昨晚一定是下雨了，因為路還是濕的。并列分句只能放在句末，用逗號隔開，表示推斷的理由，是一種補充說明的原因。表因果therefore因此He broke the law，therefore，he was put into prison.他觸犯了法律，因此被關進了監(jiān)獄。為正式的書面用語。指通過嚴密的推理而得出的結果。thus因此，所以She worked hard，thus she passed the exam.她學習努力了，所以通過了考試。指更嚴密的推理，也指直接的結果。表對比while而Some pe

9、ople like hot food，while others like sweet food.有人喜歡辣的食物，有人喜好甜食。whereas然而They want to buy a new house，whereas we would rather live in the old house.他們想要買一所新房子，而我們寧愿住在老房子里。表選擇or, orelse, otherwise或者Hurry up，or/or else/other- wise you will miss the train.快點，否則你就會錯過火車。Do what youve been told，otherwise

10、you will be punish- ed.按吩咐去做，否則你會受到懲罰的。I was as busy as a bee，otherwise/or I would have helped you.我當時很忙，否則的話我就會幫助你的。or常用于“祈使句or簡單句”，這種句型同樣適用于or else和other- wise。一般來說，這三個連詞可以互換使用。either.or.要么要么Either you or he is right.不是你就是他是對的。連接并列主語時，謂語動詞的數(shù)與最近的主語保持一致?！九e一反三】 There are fewer teaching positions left

11、 in big cities, _at the same time there are shortages of teachers in small towns.A. or B. andC. so D. for【解析】從語意可知，前后構成并列句，用and連接，在此處意為“而”。【答案】B熱點題型二 從屬連詞例2._ more and more forests were destroyed, some animals are facing the danger of dying out.A. By B. With C. As D. For【答案】C【提分秘籍】分類連詞意義例句引導時間狀語從句af

12、ter在以后After we finished our homework，we played football.做完作業(yè)后，我們踢足球。before在以前We had arrived home before it began to rain.下雨前，我們已經(jīng)到家了。when當時候The train had left when I got to the station.當我到車站時，火車已經(jīng)離開了。引導時間狀語從句while當時候，和同時While I was reading newspapers，she came to see me.我在看報時，她來看我。as當之時，隨著As time wen

13、t on，he realized the importa- nce of it.隨著時間的推移，他認識到了它的重要性。引導時間狀語從句as soon asimmediatelyinstantlydirectlythe momentthe minutethe instanthardly.whenscarcely.whenrarely.whenno sooner.than一就They started the work as soon as they got there.他們一到那兒就開始工作。Hardly had I got ho- me，the rain stopped.我剛一到家，雨就停了。引

14、導時間狀語從句since自以來Its nearly two years since we departed.我們分開近兩年了。once一旦Once you are used to smoking，you can hardly stop it.你旦習慣了抽煙，就很難停止。till/until直到They waited till/until the manager came back.他們一直等到經(jīng)理回來。引導時間狀語從句in case萬一；如果In case I forget，please remind me to write to her.萬一我忘了，請?zhí)嵝盐医o她寫信。as/so long a

15、s只要I dont mind as long as it doesnt rain. 只要不下雨就行了。引導目的狀語從句so that以便He pretended that he was ill so that he could stay at home.他假裝病了以便能呆在家里。引導比較狀語從句as.as.not so.as與一樣與不一樣He runs as fast as I他和我跑得一樣快。than比He writes more carefu- lly than me.他寫得比我細致。引導結果狀語從句so.that.如此以致The film is so interes- ting that

16、 I want to see it again.這部電影非常有趣，我想再看一遍。such.that如此以致She had such a fright that she didnt dare see it again.她嚇壞了，再也不敢看了。引導主語從句whether是否；不論Whether he will be elected as chairman is still disputed.他能否當選為主席，仍然有爭議。that無詞義，不可省略That she will come makes me happy.她會來讓我很高興。引導賓語從句whether是否；不論I dont know wheth

17、er there is anything here by Morris.我不知道這里有沒有莫里斯的東西。that無詞義I dont think that he is right.我認為他不對。if是否Do you know if/whether shes coming？你知道她是否會來嗎？【舉一反三】 Jack wasnt saying anything, but the teacher smiled at him _he had done something very clever.A. as if B. in caseC. while D. though【解析】as if“好像；仿佛”；i

18、n case“以防”；while“而”；though“但是”。句意：杰克一句話也不說，而老師卻向他微笑，仿佛他做了什么聰明的事。故選A項?！敬鸢浮緼熱點題型三 易混的介詞例3、He was a good student and scored_average in most subjects.A. below B. ofC. on D. above【答案】D【提分秘籍】1over，above，on，beyond表示“在上”(1)over一般表示“在的正上方”“在垂直上方”，其反義詞是under；over還可表示在被覆蓋在物體的上面。如：He held a large umbrella over

19、the girl.他給女孩打著一把大傘。He put his hand over her mouth to stop her screaming.他伸手捂住她的嘴，不讓她叫喊。over還可表示“超過”，多用于年齡、時間、距離。如：She stayed in London over a month.她在倫敦呆了一個多月。還可表示“在期間”，相當于during，while doing。The English language has changed over hundreds of years.英語發(fā)生變化有幾百年了。They were having a pleasant chat over a

20、cup of coffee.他們邊喝咖啡邊愉快地聊天。 (2)above一般表示“在的上方”，只說明物體間的上下關系，可能垂直，也可能不垂直。如：A fly was flying above the table.一只蒼蠅正在餐桌上飛。另外，above還可指在數(shù)量、重量、價格、費用等方面超過或高于規(guī)定的數(shù)量或一般標準。如：The shelf should be six feet above the level of the floor.書架應離地面六英尺。(3)on一般表示“在上面”，通常指與物體的表面有接觸。There is a picture on the wall.墻上有張圖。當表示“陷入

21、其中”時，我們也要用介詞in，盡管漢語表示“在上”。如：There is a window in the wall.墻上有扇窗戶。There is a well in the ground.地上有口井。(4)beyond一般指超過界限、范圍、限度等。如：Im curious to know what there is beyond the sea.我非常想知道大洋彼岸有什么。Why he did it is beyond my comprehension.我不能理解他為什么做這件事。The situation was getting beyond his control.他無法控制局勢。2ac

22、ross，through，over，past都可表示“通過”(1)across指在某一空間內(nèi)從一端到另一端的表面穿過。如：They sailed across the ocean.他們揚帆橫渡大洋。A plane flew across the sky.一架飛機從空中飛過。(2)through指從人群或物體中間穿過，也可用于抽象意義上的通過：如：Cars are not allowed to go through the city centre.禁止汽車在市中心穿行。(3)over是相對于位置的高低而言，強調(diào)“翻越”，也常表示跨過一段距離。如：The man jumped over the w

23、all and disappeared among the crowd.那人翻過墻消失在人群中。(4)past表示“從旁經(jīng)過”，表示動作發(fā)生在某物旁邊。如：We walked past the shop this afternoon.我們今天下午路過那家商店。3at，in，on均可表示時間(1)表示確切的時間用at，在非正式英語里，在(at)what time這一短語以及用于句首的其他表示時間的短語中，通?？梢允÷詀t。(2)表示一天的上午、下午、晚上用in，即：in the morning，in the afternoon，in the evening，但也有at night(在夜里)，at

24、 dawn(在黎明)，at noon(在中午)，at midnight(在午夜)。如專指某一天的上(下)午、晚上，或要對某一天上(下)午、晚上加以描述，就用on，而不用in。如：on the evening of May 1(在5月1日的晚上)。(3)談到具體的某一天，用on，在星期幾前面，on可以省略(尤其在美語中)。如：I met him on a cold day.我在一個寒冷的日子里見到了他。Im seeing her(on)Sunday morning.星期天上午我要和她見面。(4)周末和節(jié)日表示周末用at the weekend(英)或on the weekend(美)；泛指圣誕節(jié)

25、、復活節(jié)、感恩節(jié)時，都用at。但如果說假日中的某一天，就要用on。如：on Easter Monday復活節(jié)后的星期一。(5)說到星期、月、季、年、世紀等較長時間時，要用in。如：in a week在一周內(nèi)；in May在五月；in 2018在2018年；in the 21th century在21世紀；in the fall/autumn在秋天。4by，with，in，through都可表示“工具、手段和方法”(1)by表示“乘(交通工具)”，也指“通過(方法)”。表示方式，指抽象的或無形的手段時，其賓語一般是抽象名詞或動名詞；指具體的手段時，其賓語通常是表示身體某個部位、交通工具或通訊工具

26、等的名詞，且名詞前不用冠詞。如：You can make the cake by mixing eggs and flour.把雞蛋與面粉混合，你就可以做出那種蛋糕。Can I reach you by telephone?我可以用電話和你聯(lián)系嗎？(2)with表示“用工具/手段”，一般接具體的手段或工具，不能接動名詞。如：He sharpened his pencil with a knife.他用小刀削鉛筆。(3)in表示用的方法、工具、材料等。如：Please write in ink，not in pencil.請用墨水寫，不要用鉛筆寫。I paid the bill in cash.

27、我用現(xiàn)金付賬。表示“用容器(之類的工具)”時，用in。如：They carried earth in basket.他們用籃子提土。(4)through表示“通過途徑/方式/方法”，一般是指具體的或有形的手段，其賓語往往是具體的人或事物。如：We arranged our holiday through an agent.我們通過一個經(jīng)紀人來安排我們的假日。He got the chance through being a scientist.由于是個科學家，他得到了這次機會。5to，at，for，toward(s)都表示方向，“到，向，朝”(1)toward(s)強調(diào)動作的方向；to則兼指“

28、到達”的含義，強調(diào)結果。如：I saw her walking toward (s) the cinema.我見她朝電影院走去。I saw her walking to the cinema.我見她正朝電影院走去。(2)for常用在leave，start，set out，set off，head，sail的后面，表示要去的目的地。如：They are leaving for New York next week.他們下周去紐約。(3)at常和throw，shout，shoot等動詞連用，表示目標。常常含有仇恨的感情色彩。而to與這些詞連用時，僅僅表示方向。如：Its not polite to

29、 shout at people.朝人大聲喊叫是不禮貌的。When I came to the dog，it came at me，I rushed away with fear.當我走向這條狗時，它向我撲來，我嚇得拔腿就跑。6besides，except，except for，but都可表示“除之外”(1)besides與exceptbesides表示“除了之外(尚有)(賓語包括在內(nèi))”，表示肯定；另外，它還可以作副詞，有“再說”的意思，表示語氣的遞進。except表示“除了之外(賓語不包括在內(nèi))”，含有否定含義。如：There are four persons besides Tom to

30、 do the work，the four of whom are expert at it.算湯姆在內(nèi)有四個人做這項工作。他們四個在這方面都在行。There are four persons except Tom to do the work，four of whom are expert at it.不算湯姆，他們有四個人做這個工作。他們當中的四個在這方面都在行。Who else do you need to help you besides me?除了我以外，你還需要誰幫忙？Sorry，I cant go with you tonight.Its dark，besides, its ra

31、ining heavily.對不起，我今晚不能和你一起去。天很黑，再說，還下著大雨。(2)except，except for與except thatclause它們都有“除了”的意思，區(qū)別在于：except前后陳述的是同一類的東西。except for前后所陳述的不屬同類，表示引述一個相反細節(jié)，對上一陳述起到修正說明的作用，except for后接名詞和代詞。except thatclause也是表示引述一個相反細節(jié)，對上一陳述起到修正說明的作用，后接賓語從句(注意賓語從句的連接詞的正確使用)。如：There is nothing except a desk in the classroom.

32、教室里只有一張課桌。(desk和nothing屬于同一類)We enjoyed the party except for the loud music.除了音樂嘈雜了點，我們在聚會上玩得很開心。(the loud music和the party不屬于同類)Your composition is good except for some spelling mistakes.Your composition is good except that there are some spelling mistakes.除了幾個拼寫錯誤之外，你的作文很好。He goes to the library ev

33、ery day except when he is not well.他除了身體不舒服以外，每天都去圖書館。(3)but作為介詞和except同義，通常用在no以及由no組成的合成詞或表示否定意義的詞后面，而except不受此限制。如：Nobody else but/except me could solve the word puzzle.除了我，誰都不會解這個字謎。I had no choice but to wait.我除了等待之外別無選擇。(4)but for表示“要不是”，用于虛擬語氣。except for只起修正作用。如：But for your timely help, I co

34、uldnt have finished the work on time. I cant thank you too much.要不是你及時的幫助，我就不能按時完成這項工作。我對你感激不盡。7due to, owing to, on account of, thanks to這幾個短語都可以作“由于，因為”解，是表原因的介詞短語。(1)due to.有三個用法：作定語、表語和狀語；作狀語時可放在句首或句尾。如：The mistake due to carelessness is serious.由于粗心大意所造成的這個錯誤是嚴重的。Due to driving at high speed th

35、e accidents were common.由于高速駕駛，交通事故很常見。His illness is due to bad food.他生病的原因是吃了劣質(zhì)食物。(2)owing to.可作狀語、定語和表語。作狀語時修飾整個句子，一般應和句子的其他成分隔開，可放在句首、句中或句尾。如：The service is poor owing to a shortage of staff.服務之所以差是因為工作人員不足。She is now, owing to bad health, not so active in the activity.由于身體不好，她現(xiàn)在在活動中表現(xiàn)得沒有那么活躍了。(

36、3)on account of.可作狀語和表語。作狀語時修飾全句，應和句子的其他成分隔開，但有時也可不隔開。如：He resigned on account of age.他由于年邁而辭職。That was on account of lack of experience.那是由于缺乏經(jīng)驗所致。(4)thanks to.只作狀語，比較正式，有感謝的含義，作“多虧”解，但有時也含有貶義。如：Thanks to your help, we were successful.多虧你的幫助，我們才得以成功?！九e一反三】 To be great, you must be smart, confident,

37、 and, _， honest.A. therefore B. above allC. however D. after all【解析】句意：要想成為一個偉大的人，你必須得聰明、自信，并且最重要的是誠實。therefore“因此，所以”；above all“首先，尤其是，最重要的是”；however“然而，可是”；after all“畢竟，終究”?！敬鸢浮緽熱點題型四 常見的復合介詞例4、When asked about their opinions about the schoolmaster, many teachers would prefer to see him step aside

38、_younger men.A. in terms of B. in need ofC. in favor of D. in praise of【答案】C【提分秘籍】according to根據(jù)，按照，取決于as a result of由于的結果as far as就而論at the mercy of受支配at the sight of一看到by means of用，依靠，借助于by way of取道于；途經(jīng)(via)by the way of用的方法because of因為，由于due to因為in addition to除了之外(還有)in advance of在前面；比先進in celebr

39、ation of為慶祝in case of假設，萬一in search of尋求；試圖發(fā)現(xiàn)in place of代替in need of需要in charge of對負責；主管in the charge of由負責(表被動意義)in spite of盡管；即使；雖然；不管in time of在時刻in a state of處于狀況中in course of在進行中in the course of在期間in favour of贊同；有利于in honor of向表示敬意，為紀念in memory of為紀念instead of代替；而不是on account of因為；由于owing to因為t

40、hanks to因為；多虧under the name of以的名義under the condition that在條件下under the control of在支配下with no relation to與無關with the view of為了；以為目的within the reach of在力所能及的范圍內(nèi)【舉一反三】 Students in that school are judged_what they have achieved in their studies.A. in spite of B. in charge ofC. in favor of D. in terms o

41、f【解析】句意：那所學校的學生是依據(jù)他們在學習上所獲得的成績來被評價的。in spite of“不管”；in charge of“負責”；in favor of“支持，贊同”；in terms of“依據(jù)，根據(jù)”。根據(jù)句意選擇D項。【答案】D熱點題型五 介詞有關的固定搭配例5、2017江蘇卷 Determining where we are _our surroundings remains an essential skill for our survival.Ain contrast to Bin defense of Cin face of Din relation to 【提分秘籍】1

42、名詞與介詞的固定搭配要求用to的名詞：key，answer，visit，apology，introduction要求用in的名詞：interest，satisfaction，expert要求用on的名詞：mercy，congratulation要求用其他介詞的名詞：prize(for)，respect(for)，victory(over)，struggle(with)2形容詞與介詞的固定搭配要求用at的形容詞：angry，good，bad，surprised，excited，puzzled，frightened要求用of的形容詞：afraid，sure，certain，full，tired，f

43、ond，proud，worthy要求用with的形容詞：angry，strict，busy，popular要求用in的形容詞：weak，strict，rich, interested，successful，slow要求用to的形容詞：next，good，polite，kind，cruel，rude，known，married，close，similar，due要求用for的形容詞：sorry，famous，fit，unfit，eager，anxious，hungry要求用from的形容詞：far，different，free，safe，absent，tired要求用about的形容詞：sorr

44、y，worried，anxious，careful，sure，certain3在英語中介詞可以和名詞、動詞、形容詞、副詞構成許多固定短語，我們必須不斷積累，牢牢記住這些固定搭配，掌握其含義，才能應對高考?！九e一反三】 Wed better discuss everything_before we work out the plan.A. in detail B. in generalC. on purpose D. on time【解析】句意：在我們制訂計劃之前，我們最好詳細地討論每件事。in detail“詳細地”；in general“通常，大體上”；on purpose“故意地”；on

45、time“準時，按時”?！敬鸢浮緼1.【2018北京】Good morning, Mr. Lees office.Good morning. Id like to make an appointment _ next Wednesday afternoon.A. for B. on C. in D. at【答案】A2.【2018江蘇】33. Chinas softpowergrows_ theincreasingappreciationandunderstanding of China globally.A. in line with B. in reply toC. in return fo

46、r D. in honour of【答案】A【解析】考查介詞短語詞義辨析及語境理解。句意：中國的軟實力增長與日俱增全球?qū)χ袊馁p識和理解相一致。A. in line with按照；與.一致；B. in reply to答復；C. in return for作為 . 的報酬；D. in honour of為紀念。故選A。3.【2018天津】Bob thought he couldnt go to the party because he had to write a report, but he went _.A. at first B. after allC. above all D. at

47、random【答案】B12017北京卷 Peter, please send us postcards _ well know where you have visited.No problem.Abut Bor Cfor Dso【答案】D【解析】考查連詞。so (that) 意為“為了，以便”，由句意可知答案選 D。句意：“彼得， 請發(fā)給我們明信片以便我們能知道你參觀過的地方?！薄皼]問題?！? 2017北京卷 Many people who live along the coast make a living _ fishing industry.Aat Bin Con Dby【答案】B【解

48、析】考查介詞。根據(jù)句意可知此處表示“在產(chǎn)業(yè)里”，故用介詞in。句意：許多住在海邊的人以捕魚業(yè)為生。3 2017江蘇卷 Determining where we are _our surroundings remains an essential skill for our survival.Ain contrast to Bin defense of Cin face of Din relation to 【答案】D【解析】考查介詞短語辨析。根據(jù)題意“相對于我們的周邊環(huán)境”可知in relation to涉及，相對于，符合句意。In contrast to與形成對照；in defense of

49、為辯護；in face of面對。句意：確定相對于我們周圍環(huán)境的位置仍然是我們生存的基本技能。42017天津卷 When you drive through the Redwood Forests in California, you will be _ trees that are over 1，000 years old.Aamong B against Cbehind Dbelow【答案】A【解析】考查介詞。根據(jù)“trees that are over 1，000 years old.”可知是置身于這些樹木之中，應選A項。 among在當中；against以為背景，襯托；behind在后

50、面；below在下面。句意：當你駕車穿過加利福尼亞的紅杉森林時，你會置身在那些樹齡超過1 000年的樹林中。52017天津卷 We offer an excellent education to our students. _， we expect students to work hard.AOn average BAt best CIn return DAfter all12017北京卷 Peter, please send us postcards _ well know where you have visited.No problem.Abut Bor Cfor Dso【答案】D【解

51、析】考查連詞。so (that) 意為“為了，以便”，由句意可知答案選 D。句意：“彼得， 請發(fā)給我們明信片以便我們能知道你參觀過的地方。”“沒問題?！? 2017北京卷 Many people who live along the coast make a living _ fishing industry.Aat Bin Con Dby【答案】B【解析】考查介詞。根據(jù)句意可知此處表示“在產(chǎn)業(yè)里”，故用介詞in。句意：許多住在海邊的人以捕魚業(yè)為生。3 2017江蘇卷 Determining where we are _our surroundings remains an essential

52、 skill for our survival.Ain contrast to Bin defense of Cin face of Din relation to 【答案】D【解析】考查介詞短語辨析。根據(jù)題意“相對于我們的周邊環(huán)境”可知in relation to涉及，相對于，符合句意。In contrast to與形成對照；in defense of為辯護；in face of面對。句意：確定相對于我們周圍環(huán)境的位置仍然是我們生存的基本技能。42017天津卷 When you drive through the Redwood Forests in California, you will

53、 be _ trees that are over 1，000 years old.Aamong B against Cbehind Dbelow52017天津卷 We offer an excellent education to our students. _， we expect students to work hard.AOn average BAt best CIn return DAfter all【答案】C【解析】考查介詞短語。根據(jù)句意可知這是兩方面的事情，因此選C項。in return反過來，作為回報；on average平均來看；at best充其量，至多；after all畢竟，終究。句意：我們向?qū)W生提供優(yōu)質(zhì)的教育，同時也希望學生努力學習?！?016天津】2. The dictionary is _: many words have been added to the langu