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2016考研英語詞匯:as的三種用法

發(fā)布時間:2017-08-20 編輯:bin

  在考研英語中,不能對文章詞匯有正確的理解,那么做題就會很難。下面是對as用法的總結(jié),希望考生們可以通過這篇文章,可以完全掌握as的用法。

  as作介詞

  從詞性來看,as主要有介詞、連詞、關(guān)系詞。當as作為介詞時,往往與動詞搭配,形式為...as...,這時動詞就不要使用本意,而是統(tǒng)一翻譯為將A視為B;把A看成B,在考研英語中出現(xiàn)的動詞總結(jié)如下:see/view/regard/consider/identify/define /classify/interpret/dismiss/elect/accept/think of A as B。除了這些簡單的詞語外,當賓語A復雜時會后置于B,形式如下: v. as B A。我們來看一句話On the other hand he did not accept as well founded the charge made by some of his critics that while he was a good observer he had no power of reasoning.動詞是accept,介詞是as,as后直接跟的賓語B(形容詞),A由于復雜后置到了B后,是the charge,后跟一系列的定語-made by some of his critics以及同位語-while he was a good observer he had no power of reasoning,這句話是說另一方面,他認為一些批評者的指控沒有根據(jù),指控內(nèi)容是說雖然他是個好的觀察者,但他沒有推理能力。

  as當連詞

  當as作為連詞時,可以表時間:隨著....../當......時候(一般位于句首)。例句如下:asfunding for science has declined, scientists have attacked "anti-science" in several books.隨著用于科學的資金減少,科學家在一些書中攻擊“反科學”論調(diào)?梢员碓颍杭热、由于=since。例句如下:We are obliged to them because some of these languages have since vanished,asthe peoples who spoke them died out or became assimilated and lost their native languages.我們感激他們,是因為一些語言自此以后消失了,消失是由于這些語言使用者已經(jīng)死去或者被同化,進而失去了他們本族語言。可以表讓步:盡管、雖然,(as一定不能位于句首,位于句中第二個詞)。例句如下:

  In addition, difficult as it is to believe, there are desert fish which can survive through years of drought in the form of inactive eggs.另外,盡管很難相信,確實存在沙漠魚,這些魚以不活躍卵的形式在干旱中存活數(shù)年?梢员肀容^,as...as + 詞/句子:和...一樣、像...一樣;not so......as + 詞/句子:和...不一樣、不像...那樣;not so much...as...:與其說...不如說...。可以表方式,等于in the way that,按照、正如。

  as作關(guān)系詞

  as作為關(guān)系詞時,引導限定性定語從句:先行詞前有such/the same;非限定性定語從句:修飾整個句子,比如as is known to all, ...;..., as is often the case;...,as you know,...。

  下面參照例句進行分析as用法:

  句一:But he talkedas wellabout the“balanced struggle”between creative freedom and social responsibility.該句涉及到的as的用法是as well--也,相當于too,用法簡單單一,翻譯如下:然而他也同樣討論了創(chuàng)造性的自由以及社會責任之間的制約掙扎。

  句二:Itidentifiesthe undertreatment of pain and the aggressive use of ineffectual and forced medical procedures that may prolong and even dishonor the period of dyingasthe twin problems of end-of-life care.as出現(xiàn)在這里是作為的意思,因此是介詞,而介詞常?疾斓氖桥c其他動詞搭配使用,往前找到常見動詞identify,翻譯為把...視為臨終關(guān)懷的兩個問題,往前找到并列的兩個問題分別是什么,而在as前邊的結(jié)構(gòu)中,稍微有些復雜,procedures后邊跟著定語從句,其前邊有兩個and, 其中一個and肯定是連接并列的兩個問題,很容易看出第二個and,連接的是兩個形容詞ineffectual and forced,而第一個and并列兩個問題,理清總體結(jié)構(gòu)后再進行翻譯:這份報告把對疼痛的不足治療以及過度使用無效、強制性的醫(yī)療程序視為臨終關(guān)懷的兩個問題,而其中的醫(yī)療程序有可能延長甚至使病人死得難堪。

  句三:The chief reason for the population growthisn`t so mucha rise in birth ratesasa fall in death rates as a result of improvements in medical care.這里出現(xiàn)固定結(jié)構(gòu)not so much...as...:與其說...不如說...此結(jié)構(gòu)更加強調(diào)的是后者,因此該句話是說人口增長的主要原因與其說是出生率的增加,不如說是死亡率的降低,正是醫(yī)療護理改革的結(jié)果。

  句四:Thusjust asearlier theories have explained the mobility of the continents,sohot spots may explain their mutability.這里也涉及一個固定結(jié)構(gòu),just as...,so...正如...一樣,...也,強調(diào)的是類比結(jié)構(gòu)而非轉(zhuǎn)折關(guān)系,翻譯如下:正如先前理論解釋了大陸的移動性,熱點地區(qū)也可能解釋了它們的易變性。

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