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1、高考必背英語(yǔ)詞匯講座-I字頭1、if only, only if由這兩個(gè)詞組引導(dǎo)的條件從句雖然都可以用來(lái)表示主句所需要的 "條件",但是兩者在表示說(shuō)話人的語(yǔ)義意圖方面卻有差異。1. only if 引起的條件狀語(yǔ)從句,是一個(gè)對(duì)“條件”限制更嚴(yán)的“限制性條件狀語(yǔ)從句”,表示“只有.(才);只有在.的時(shí)候,唯一的條件是.”的意思;與if引起的一般條件句相比,它有一種增強(qiáng)主句語(yǔ)勢(shì)的作用?!緛?lái).源:全,品中&高*考*網(wǎng)】例如:He will succeed only if he does his best.他只有盡力而為才能成功。I'll come only if

2、you really need me.只有當(dāng)你真正需要我的時(shí)候,我才來(lái)。Only if the case is urgent should you call out the doctor in the middle of the night.只有患者情況緊急時(shí),你才可以在半夜叫醫(yī)生看病。if only引導(dǎo)的條件句,通常用來(lái)表示說(shuō)話人對(duì)某事所寄予的某種強(qiáng)烈愿望,相當(dāng)于as long as。它可以獨(dú)立使用,用來(lái)表示由于客觀條件限制,為某事不大可能或完全不可能實(shí)現(xiàn)而感到惋惜或遺憾的復(fù)雜心情,常用虛擬語(yǔ)氣。例如:If only I were as clever as you!要是我像你一樣聰明該多好啊

3、!If only you had not told Tom what I said, everything would have been all right. 要是你沒(méi)有把我的話告訴湯姆就好了,那樣就不會(huì)出什么問(wèn)題了。It is hard to avoid mistakes; if only they are conscientiously corrected, it will be all right.錯(cuò)誤總是難免的,只要認(rèn)真地改正,也就好了。2、if, whether這兩個(gè)詞都是指“是否”,用來(lái)表示猶豫不定,引出包含正反兩面的疑問(wèn)?!緛?lái).源:全,品中&高*考*網(wǎng)】1 / 111)

4、一般情況下兩者可以替換使用,但whether顯得正式一些。例如:I am not sure if/ whether the sports meet will be held tomorrow. 我不知道明天是否會(huì)舉行運(yùn)動(dòng)會(huì)。2)但在引導(dǎo)表語(yǔ)從句,同位語(yǔ)從句,在不定式之前,介詞之后及句首時(shí),只能用whether。如:The question is whether it is worth doing.問(wèn)題是這樣做是否值得。We had no idea whether he had gone without Jane.我們不知道他有沒(méi)有帶著簡(jiǎn)一起走。He doesn't know wheth

5、er to accept the offer or not.他不知道該不該接受幫助。It depends on whether we have enough time to do it. 這取決于我們是否有足夠的時(shí)間去做這件事。Whether he comes or not doesn't concern me.他來(lái)不來(lái)與我無(wú)關(guān)。需注意,當(dāng)if置于句首時(shí),只能引導(dǎo)狀語(yǔ)從句,表示“假如”,不能引導(dǎo)名詞性從句。3)倘若引導(dǎo)的是一個(gè)選擇疑問(wèn)句,則以用whether更為妥當(dāng)。若要用if引導(dǎo)的話,if和or not中間必須有詞語(yǔ)隔開,不能連寫。如可以說(shuō) I wonder whether/ if

6、he has come or not. 不可以說(shuō) I don't care if or not your car breaks down, 而須將if改成whether。4)有時(shí)用if可能會(huì)產(chǎn)生歧義,如Tell me if you want the book.可有兩種解釋:“假如你需要這本書,請(qǐng)告訴我”,或“請(qǐng)告訴我你是否要這本書”。若用whether的話,則只能作第二種解釋。3、in addition, in addition to這兩個(gè)詞組都可表示“除了,此外,另,又,還”等意思,用來(lái)表示兩個(gè)事物或動(dòng)作之間的增補(bǔ)關(guān)系。但兩者的語(yǔ)法功能和用法不同。1)in addition是一介詞短

7、語(yǔ),作副詞用,相當(dāng)于詞組as well,其后不能跟名詞或其他任何成分,一般位于兩個(gè)句子中間或位于句末。位于兩句中時(shí),常用一逗號(hào)與句子隔開。例如:There are many shops around the railway station. In addition, there are some newly-built hotelsthere.火車站附近有很多商店,此外,還有一些新建的旅館。Aunt Mary gave us sandwiches for our picnic and a bag of cookies in addition. 瑪麗舅母為我們?nèi)ソ加螠?zhǔn)備了三明治,另外還準(zhǔn)備了一袋

8、甜餅。2) in addition to是一短語(yǔ)介詞,其后接名詞或代詞等作其賓語(yǔ),意義大體相當(dāng)as well as和 besides。如:In addition to English, he has to study a second foreign language. 除了英語(yǔ)以外,他還必須學(xué)習(xí)第二外語(yǔ)。They have one hour to read newspapers in addition to their ordinary work. 除了日常工作以外,他們有一小時(shí)讀報(bào)的時(shí)間?!緛?lái).源:全,品中&高*考*網(wǎng)】4、ill, sick這兩個(gè)形容詞都有“生病的,身體不適”的意

9、思?!緛?lái).源:全,品中&高*考*網(wǎng)】ill作上述解釋時(shí),通常在句中作表語(yǔ)或補(bǔ)語(yǔ),不作定語(yǔ),它的后面可接with和from表示原因。若ill 作“壞的,惡劣的,邪惡的”解時(shí),只能作定語(yǔ)。如:He has long been ill with high fever.他一直在發(fā)高燒。That ill woman killed her own daughter.那個(gè)壞女人殺了自己的女兒。She became ill from anxiety.她由于焦慮而病倒了。sick和ill一樣,可在句中充當(dāng)表語(yǔ)或補(bǔ)語(yǔ),但它還能作定語(yǔ),保持原意義不變。它作表語(yǔ)或補(bǔ)語(yǔ)時(shí),另有“嘔吐,惡心”的意思。sick后可

10、用with表示原因,用for表示“渴望”,用of表示“厭倦,厭惡”等。如:She got 500 yuan a month for looking after the sick man. (此處的sick不能用ill代替。)她照顧這個(gè)病人每月可賺五百元。My daughter was sick with a cold.我的女兒是因感冒而病的。He began to feel sick as soon as the ship started to move.船一啟航,他就開始暈船了。The little girl is obviously sick for home.很明顯,這個(gè)小女孩想家了。I

11、 am sick of his bad manners.他的不良舉止真讓我厭惡。The old man was sick of life, and wished he were dead.那個(gè)老人對(duì)生活感到厭倦,真想死了算了。5、intend, mean, propose這組詞都有“打算,有心做某事”之意。intend:“打算,有.意向,意欲”,指經(jīng)過(guò)考慮后打定主意要做某事或獲得某物,常帶有堅(jiān)定的決心。常跟不定式及其復(fù)合結(jié)構(gòu),常用短語(yǔ):intend for 打算送給/供.使用;intend.as.打算.He explained to her at length what he intend t

12、o do in the following week. 他詳細(xì)地向她解釋了下周打算做什么。Having always been musical from an early age, the singer seems to have been intended for theconcert stage.那位歌手有音樂(lè)天賦,好像生來(lái)就是為了登臺(tái)演唱的。mean:“打算,想象,有.意圖”,不如intend正式,強(qiáng)調(diào)心里想做的意思,但不強(qiáng)調(diào)決心,短語(yǔ):mean.for 準(zhǔn)備讓.做. Everyone believed that it'll be a very suitable match be

13、cause John and Julia were obviously meant for each other.每個(gè)人都認(rèn)為他們的結(jié)合會(huì)很般配,因?yàn)榧s翰和朱利亞顯然是天生的一對(duì)。He shouldn't have done it, of course, but he was thoughtless. And he meant to pay the money back.當(dāng)然,他本來(lái)不該那么做,但他考慮不周到,再說(shuō)他是打算還錢的。propose:“打算,建議”,指宣布或明確確定某人的意圖,含有公開宣稱或清楚這一意圖之意??山用~,動(dòng)名詞,不定式及從句。Summarizing the y

14、ear'swork, the managing director in the company proposed a greater project of the next year.公司的總經(jīng)理總結(jié)了一年的工作,提出了下年度更大的工程計(jì)劃。Generally speaking, what's reached in the end may be better or worse than what was proposed.一般來(lái)說(shuō),最終所達(dá)到效果總要比計(jì)劃的好或差。6、in advance, in advance ofin advance是介詞短語(yǔ),在句中作副詞用,作方式狀語(yǔ),

15、表示“事先,預(yù)先,提前”等意。例如:It is desirable that we should read descriptions of particular instruments in advance.我們最好是事先閱讀特殊儀器的說(shuō)明。The iron mine fulfilled the state production plan one month in advance.這個(gè)鐵礦提前一個(gè)月完成了國(guó)家生產(chǎn)計(jì)劃。in advance of是一短語(yǔ)介詞,后接名詞或代詞作賓語(yǔ),表示“在.前面,超越”等意。例如:In the parade, the band will march in adv

16、ance of the football team. 游行中,樂(lè)隊(duì)將走在足球隊(duì)的前面。Galileo's ideas were in advance of the age in which he lived. 伽利略的想法超越了他所生活的時(shí)代。7、in case, in case of, in the case ofin case主要有兩種用法:1).用作復(fù)合從屬連詞,引導(dǎo)一個(gè)條件狀語(yǔ)從句和表示否定意義的目的狀語(yǔ)從句,表示“萬(wàn)一,倘若,如果”和“免得,以防”的意思;2).作副詞用,在句中充當(dāng)狀語(yǔ),常位于句末,通常我們可以說(shuō)just in case,意為“以防萬(wàn)一,為了提防”。例如:Yo

17、u'd better take your umbrella, in case it rains. 你最好帶上傘,以防萬(wàn)一下起雨來(lái)。It may rain, you'd better take an umbrella just in case. 可能會(huì)下雨,你最好拿把傘,以防下雨。The bus is usually on time, but start early, just in case. 這輛公共汽車一般是準(zhǔn)時(shí)的,但是要早點(diǎn)動(dòng)身,以防萬(wàn)一。in case of 是一短語(yǔ)介詞,后接名詞或代詞作賓語(yǔ),位于句首時(shí),一般表示條件,意為“假使,萬(wàn)一,如果”。位于句末時(shí),一般表示目的

18、,表示“以防”的意思。例如:In case of fire, ring the alarm bell. 萬(wàn)一失火的話,請(qǐng)按警鈴。The wall was built along the river in case of floods. 該墻沿河而建,以防水災(zāi)。in the case of 也是一短語(yǔ)介詞,后可接名詞,代詞或動(dòng)名詞作賓語(yǔ),意思是“對(duì)于,就來(lái)說(shuō),至于”。例如:Poverty depresses most people; in the case of my father it was otherwise.貧窮使大多數(shù)人垂頭喪氣,至于我父親,卻不一樣。In the case of le

19、arning English, we must practise a lot.就學(xué)習(xí)英語(yǔ)來(lái)說(shuō),我們必須大量練習(xí)。8、in a word, in word, in wordsin a word 為“總而言之,簡(jiǎn)而言之”用來(lái)表示總結(jié)歸納,與in short, in brief意思相同。該結(jié)構(gòu)中的a也可用one代替。例如:His condition is, in a word, becoming worse.他的狀況,簡(jiǎn)而言之,越來(lái)越差。Lily is clever, polite and well-behaved. In a word, she is worth praising. 莉莉聰明又懂禮

20、貌,總而言之,值得表?yè)P(yáng)。in word為“口頭上”,指以口頭的形式表示,而并非落實(shí)在行動(dòng)上。它與in deed(行動(dòng)上)相對(duì)。例如:He is a friend in word only.他只是一個(gè)普通朋友。I don't want you simply to promise me in word that you will be good. 我不想你只是在口頭上答應(yīng)你會(huì)好好干。in words為“用語(yǔ)言”,指用口頭或書面語(yǔ)言的形式表示及描述,它不和行動(dòng)相對(duì),僅涉及語(yǔ)言文字本身。如:He never expressed his idea in words.他從來(lái)不說(shuō)出自己的想法。The

21、 little boy can describe the beauty of the scene in words. 這個(gè)小男孩能用語(yǔ)言描述美麗的景色。9、in charge, in charge of, in the charge ofin charge是一用作表語(yǔ)或后置定語(yǔ)的介詞短語(yǔ),意為“負(fù)責(zé),看管”。句子的主語(yǔ)一般應(yīng)是表示人的名詞或代詞,charge可以有形容詞修飾。例如:John was in complete charge while the manager was on holiday. 約翰在經(jīng)理度假時(shí)負(fù)全責(zé)。The person in overall charge was J

22、ones. 總負(fù)責(zé)人是瓊斯。in charge of和in the charge of都是屬于短語(yǔ)介詞,其后都接名詞或代詞作賓語(yǔ)。它們雖然只有冠詞之差,但意義卻有差異。in charge of表示“管理,看管”的主動(dòng)意義,因此,句子的主語(yǔ)往往是人。in the charge of 表示“被. 管理,在.管理之下”的被動(dòng)意義,句子的主語(yǔ)一般是物,在使用過(guò)程中,也可用in one's charge形式。例如:He will be in charge of that work for the time being. 他將暫時(shí)負(fù)責(zé)那項(xiàng)工作。An experienced worker is in

23、 charge of the project. 一位經(jīng)驗(yàn)豐富的工人負(fù)責(zé)這項(xiàng)工程。The documents are in the charge of Comrade Lee. 文件由李同志保管?!緛?lái).源:全,品中&高*考*網(wǎng)】10、in favour, in favour ofin favour是一介詞短語(yǔ),在句中作表語(yǔ)或名詞后置修飾語(yǔ),意為“受賞識(shí)的;受歡迎的”,有被動(dòng)的含義。例如:That child is clearly in favour ; she had been given an extra biscuit. 那個(gè)小孩顯然很受寵愛,她多得了一塊餅干。The delegat

24、ion is in favour.代表團(tuán)受到了歡迎。in favour of是一短語(yǔ)介詞,其后接名詞或代詞作其賓語(yǔ),構(gòu)成介詞短語(yǔ)。在句中作表語(yǔ)或名詞后置修飾語(yǔ),表示“贊成,支持”和“有利于.”等意。作后種意義時(shí),該詞組可以呈in someone's favour形式。例如:The majority of people are in favour of the proposed legislation. 大多數(shù)人贊成已提出來(lái)的立法。Those in favour of the new plans put up your hands please. 那些贊成新計(jì)劃的人請(qǐng)舉手。The evidence seems to be in favour of the defendant. 證據(jù)看來(lái)對(duì)被告有利。The exchange rate is in our favour. 兌換率對(duì)我們有利。11、in one's mind, on one's mindin one's mind用于表示“想著,考慮”的場(chǎng)合,所想著的事情不帶有沉重和焦慮的含義。on one's mind用于表示“惦記,操心,焦慮”的場(chǎng)合,表示心中想的是重要

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