[高中]全新語(yǔ)法:從屬連詞 易混連詞詞義辨析

易混連詞詞義辨析

1.as，as if/as though

（1）as引導(dǎo)時(shí)間狀語(yǔ)從句，意為“當(dāng)，隨著”。

Just as he was speaking there was a loud explosion.正當(dāng)他說(shuō)話(huà)時(shí)，有一大爆炸聲。

（2）as引導(dǎo)方式狀語(yǔ)從句，意為“如……一樣”。

Do in Rome as the Romans do.入境隨俗。

（3）as引導(dǎo)原因狀語(yǔ)從句。意為“因，由于”等。

As he was such a fool，I refused to listen to him.

因?yàn)樗悄菢右粋€(gè)傻瓜，我拒絕聽(tīng)他的。

（4）引導(dǎo)讓步狀語(yǔ)從句。

Child as he is，he can answer the question.他雖是個(gè)小孩，卻能回答這個(gè)問(wèn)題。

Poor as he was，he was above selling his honor at any price.

雖然他很窮，但決不會(huì)出賣(mài)他的名譽(yù)。

Try as I would，I couldn’t open it.無(wú)論我怎么試，都打不開(kāi)它。

【提示】 as引導(dǎo)讓步狀語(yǔ)從句中也可以用though代替。

Child as/though he is，he can answer the question.他雖是個(gè)小孩，卻能回答這個(gè)問(wèn)題。

（5）as if/as though用法相同，可以用虛擬語(yǔ)氣。

How wild his white hair looked as if it had been electrified！

他的白發(fā)十分凌亂，好像觸了電似的。

He acts as if he were a fool.他做事像個(gè)傻子。

He raised his hand as if to take off his hat.他舉起手，好像要取下帽子。（省略形式）

The boy looked about as if in search of something.

男孩四周察看，像在尋找什么東西。（省略形式）

2.as，because，since，for

（1）as表示明顯的或已知的原因，語(yǔ)氣比because，since 輕。

As it is cold，I put on my coat.由于天冷，我穿上了大衣。

（2）because表示直接的原因，因果概念強(qiáng)，回答why 提出的問(wèn)題。

It is because they are in need of help that I am prepared to help them.

正是因?yàn)樗麄冃枰獛椭晕覝?zhǔn)備幫助他們。

（3）since引導(dǎo)的從句通常放在主句前面。

Since you insist，I must go now.既然你堅(jiān)持，那我現(xiàn)在必須走。

（4）for是并列連詞，表示補(bǔ)充說(shuō)明的理由，對(duì)主句的情況作一些解釋。

We must get rid of carelessness，for it often leads to mistake.

我們一定要克服粗枝大葉的毛病，因?yàn)樗３Ｒ鸩铄e(cuò)。

3.because，because of

（1）because引導(dǎo)原因狀語(yǔ)從句，回答why 引起的特殊疑問(wèn)句，用于強(qiáng)調(diào)句型中。

— Why can’t I go？ 為什么我不能去？

— Because you are too young.因?yàn)槟隳昙o(jì)太小。

It was because some people speak ill of him that he got angry.

有人說(shuō)他的壞話(huà)他才生氣。（強(qiáng)調(diào)原因狀語(yǔ)從句）

（2）because of不能引導(dǎo)從句，只能引導(dǎo)名詞、代詞或短語(yǔ)。

He can’t come because he is ill.他因病不能來(lái)。（because后接從句）

He can’t come because of his illness.他因病不能來(lái)。（because of后接短語(yǔ)）

4.as much as，as many as

（1）as much as接不可數(shù)名詞，表示“總量”和“單位量”的大小。

In fact it cost me as much as 100 dollars.事實(shí)上，它整整花了我100美元。

We walked as much as 50 miles that day.那天我們整整走了50英里。

（2）as much as表示模糊的數(shù)量，意為“與……一樣多”。

I ate as much as I wanted.我想吃多少就吃多少。

Rest as much as possible.盡可能多休息。

I’ll spend as much as necessary.需要花多少錢(qián)，我就花多少錢(qián)。

I’m sorry I haven’t done as much as I should.我很抱歉，我做得很不夠。

We can take as much as our buyer can supply.買(mǎi)主能提供多少我們就能要多少。

（3）as many as接可數(shù)名詞，意為“多達(dá)……”。

She has as many as seven sisters.她的姊妹有七人之多。

As many as 100 people were killed in the air crash.這次空難中多達(dá)一百人喪生。

The civil war in that country lasted as many as 16 years.

那個(gè)國(guó)家的內(nèi)戰(zhàn)竟然延續(xù)了16年之久。

The kings of Egypt built as many as 80 pyramids.

埃及國(guó)王們建造的金字塔數(shù)多達(dá)80個(gè)。

5.as+原級(jí)+as

（1）as/so far as遠(yuǎn)達(dá)

I walked as far as the church.我一直走到教堂那么遠(yuǎn)。

We didn’t go so far as the others.我們沒(méi)有像其余的人那樣走那么遠(yuǎn)。

We did not go so far as the bridge.我們沒(méi)有走到橋那么遠(yuǎn)。

（2）as long as長(zhǎng)達(dá)

I have been learning English as long as 15 years.我學(xué)英文已有十五年之久。

【提示】 as/so long as 從屬連詞，引導(dǎo)條件狀語(yǔ)從句，意為“只要，如果”。

I’m happy as long as/so you are happy.

只要你幸福，我就感到幸福了。（引導(dǎo)條件狀語(yǔ)從句）

（3）as wide as寬達(dá)

The river is as wide as 100 meters.這條河寬達(dá)一百公尺。

This window is just as wide as that one.這扇窗戶(hù)正好和那扇窗戶(hù)一樣寬。

（4）as high as高達(dá)

I’ve got a score as high as yours in this test.

我在這次考試中得到了跟你一樣高的分?jǐn)?shù)。

What animal can jump as high as a tree？ 什么動(dòng)物能跳得跟樹(shù)那么高？

（5）as early as早在

I mailed the letter as early as Friday.我早在星期五就把信寄了。

Colour printing was also invented by the Chinese as early as the 10th century.

彩色印刷也是早在十世紀(jì)由中國(guó)人發(fā)明的。

（6）as late as遲在

He came home as late as two in the morning.他遲至清晨?jī)牲c(diǎn)才回家。

I saw your brother as late as last week.上個(gè)禮拜我還看到你哥哥。

【高考演練】

1.【安徽】What we expect from you is working hard________hardly working.

A.less than B.rather than C.as well as D.as much as

【答案】B 考查連詞。句意：我們期待你的是努力工作，而非很少工作。less than 少于，不及；rather than 而不是；as well as 也，又，像……一樣；as much as和……一樣，差不多。working hard和hardly working為完全相反的兩個(gè)概念，顯然前后為對(duì)照關(guān)系。故選B。

2.【北京】Some animals carry seeds from one place to another，________plants can spread to new places.

A.so B.or C.for D.but

【答案】A 考查連詞。本題前半部分講“有些動(dòng)物把種子從一個(gè)地方帶到另外一個(gè)地方”，所以導(dǎo)致“植物傳播”。此為表示因果關(guān)系的并列句。故選A。

3.【山東】I don’t really like the author，________I have to admit his books are very exciting.

A.although B.unless C.until D.once

【答案】A 考查連詞。句意：盡管我不得不承認(rèn)他的書(shū)很令人興奮，但是我真的不喜歡這個(gè)作者。although 盡管；unless 除非；until 直到……為止；once 一旦。故選A。

4.【浙江】Facing up to your problems________running away from them is the best approach to working things out.

A.more than B.rather than C.along with D.or rather

【答案】B 考查連詞詞組辨析。句意：最好的解決問(wèn)題的方法是面對(duì)你的問(wèn)題，而不是逃避它們。more than 不僅僅；rather than 而不是；along with 與……一起；or rather 更確切地說(shuō)。故選B。

5.【四川】Frank insisted that he was not asleep________I had great difficulty in waking him up.

A.whether B.although C.for D.so

【答案】B 考查連詞。句意：盡管我費(fèi)了好大勁才叫醒弗蘭克，但是他堅(jiān)持說(shuō)他沒(méi)有睡著。語(yǔ)意上構(gòu)成了一種讓步。故選B。

6.【四川】As is reported，it is 100 years________Qinghua University was founded.

A.when B.before C.after D.since

【答案】D 考查連詞。句意：據(jù)報(bào)道，清華大學(xué)建校100年了。It’s+時(shí)間段+since 從句，意為“自從……以來(lái)……”。故選D。

7.【全國(guó)Ⅰ】Try________she might，Sue couldn’t get the door open.

A.if B.when C.since D.as

【答案】D 考查連詞。句意：盡管蘇盡力了，但她沒(méi)能把門(mén)打開(kāi)。as表示“雖然”引導(dǎo)狀語(yǔ)從句時(shí)，從句的結(jié)構(gòu)為：表語(yǔ)、狀語(yǔ)或部分謂語(yǔ)+as+主語(yǔ)+其他。故選D。

8.【全國(guó)Ⅰ】— Someone wants you on the phone.

—________nobody knows I am here.

A.Although B.And C.But D.So

【答案】C 考查連詞。句意：“有人在電話(huà)中找你。”“但是沒(méi)有人知道我在這兒。”根據(jù)語(yǔ)境可知此處表示轉(zhuǎn)折。故選C。

9.【山東】Find ways to praise your children often，________you’ll find they will open their hearts to you.

A.till B.or C.and D.but

【答案】C 考查連詞。句意：想方設(shè)法多表?yè)P(yáng)你的孩子，你就會(huì)發(fā)現(xiàn)他們會(huì)對(duì)你敞開(kāi)心扉。本題為“祈使句+and/or+陳述句”句式結(jié)構(gòu)，表示發(fā)生前句假設(shè)的情況，后面的陳述句就會(huì)發(fā)生，故要用and。故選C。

10.【山東】He had his camera ready________he saw something that would make a good picture.

A.even if B.if only C.in case D.so that

【答案】C 考查連詞。句意：他準(zhǔn)備好了照相機(jī)以免他看到什么能指出好照片的東西時(shí)而無(wú)法拍攝下來(lái)。even if 即使；if only 要是……就好了；in case 萬(wàn)一，以免得；so that 以便，結(jié)果是。故選C。

11.【江西】The house was too expensive and too big.________，I’d grown fond of our little rented house.

A.Besides B.Therefore C.Somehow D.Otherwise

【答案】A 考查連詞。句意：這個(gè)房子太貴太大。況且，我已經(jīng)對(duì)我們的小租用房越來(lái)越喜歡了。根據(jù)前后句判斷出為并列關(guān)系。besides 此外，表并列；therefore 因此，表因果；somehow 無(wú)論如何，表轉(zhuǎn)折；otherwise否則，表轉(zhuǎn)折。故選A。

12.【江西】Please call my secretary to arrange a meeting this afternoon，or________it is convenient to you.

A.wheneverB.however

C.whicheverD.wherever

【答案】A 考查連詞。句意：請(qǐng)打電話(huà)給我的秘書(shū)安排今天下午的會(huì)議，或者在任何你方便的時(shí)候。whenever 無(wú)論何時(shí)；however 然而；whichever 任何一個(gè)；wherever 無(wú)論哪里。關(guān)系副詞在后句中充當(dāng)狀語(yǔ)，根據(jù)語(yǔ)境可知是指時(shí)間。故選A。

13.【浙江】One Friday，we were packing to leave for a weekend away________my daughter heard cries for help.

A.after B.while C.since D.when

【答案】D 考查連詞。句意：有個(gè)星期五，我們正收拾行囊準(zhǔn)備外出度周末時(shí)，女兒突然間聽(tīng)到求救聲?！皐as/were doing ...when”為固定句式，表示“正在做……時(shí)突然……”。故選D。

14.【遼寧】No matter how________，it is not necessarily lifeless.

A.a desert may be dryB.dry a desert may be

C.may a desert be dryD.dry may a desert be

【答案】B 考查讓步狀語(yǔ)從句。句意：不管沙漠里可能是多么干燥，它也并不一定是沒(méi)有生命存在的。固定句式為no matter how/however+形容詞/副詞+主謂，而且在英語(yǔ)中所有的從句都是陳述語(yǔ)序。故選B。

15.【遼寧】He had no sooner finished his speech________the students started cheering.

A.since B.as C.when D.than

【答案】D 考查連詞。句意：他一完成演講學(xué)生們就開(kāi)始?xì)g呼起來(lái)了。no sooner ...than ...=hardly ...when ...一……就……，為固定句型，而且主句的時(shí)態(tài)一般為過(guò)去完成時(shí)。故選D。

16.【遼寧】Bring the flowers into a warm room________they’ll soon open.

A.or B.and C.but D.for

【答案】B 考查連詞。句意：把花兒拿到溫暖的房間里，那么它們很快就會(huì)開(kāi)放?？崭袂斑厼槠硎咕浔?xiàng)l件，而且根據(jù)句意可知前后兩句為順承關(guān)系，故用連詞and。or否則，與前一句構(gòu)成轉(zhuǎn)折關(guān)系；but但是，表轉(zhuǎn)折；for一般用逗號(hào)隔開(kāi)，放在第二句的句首，解釋說(shuō)明原因。故選B。

17.【陜西】________ all of them are strong candidates，only one will be chosen for the post.

A.Since B.While C.If D.As

【答案】B 考查連詞。句意：雖然他們中所有的人都是強(qiáng)勁的候選人，但是只能選擇其中的一個(gè)來(lái)?yè)?dān)當(dāng)這個(gè)職位。since 既然；由于；自從……到；while 當(dāng)……的時(shí)候；雖然；if 如果；as 當(dāng)……的時(shí)候；由于。故選B。

18.【湖南】Jack wasn’t saying anything but the teacher smiled at him________he had done something very clever.

A.as if B.in case C.while D.though

【答案】A 考查連詞。句意：杰克什么也沒(méi)有說(shuō)，但老師卻對(duì)著他微笑，好像他做了什么聰明事似的。故選A。

19.【天津】________ regular exercise is very important，it’s never a good idea to exercise too close to bedtime.

A.If B.As C.Although D.Unless

【答案】C 考查連詞。句意：盡管定期鍛煉是很重要的，但是快要睡覺(jué)的時(shí)候鍛煉不是一個(gè)好主意。if 如果；as 因?yàn)?，?dāng)……的時(shí)候，表示“雖然、盡管”時(shí)須用倒裝句；although 雖然、盡管；unless 除非。故選C。

20.【上?！縄f a lot of people say a film is not good，I won’t bother to see it，or I’ll wait________it comes out on DVD.

A.whether B.after C.though D.until

【答案】D 考查連詞。句意：如果許多人都說(shuō)一部電影不好的話(huà)，我不會(huì)費(fèi)心去觀看，或者我會(huì)等DVD版本的電影出版。whether是否；after 在……以后；though 盡管，雖然；until 直到。故選D。

21.【上海】The police officers in our city work hard________the rest of us can live a safe life.

A.in case B.as if C.in order that D.only if

【答案】C 考查連詞。句意：為了我們能過(guò)上安全的生活，我們城市的警察工作很努力。in case 以免，（以防）萬(wàn)一；as if 好像；in order that 為了；only if 只有。故選C。