大家知道，托福閱讀備考是個長期的過程，在前期詞匯的積累過程中，令各位寶寶頭疼的不僅僅是像exuberance，centrifugal這樣的長單詞，一些小詞也同樣困擾著我們，比如as這個詞，它的無所不在及意思繁多就給我們理解句子帶來很多麻煩。今天我們就來簡單的總結(jié)一下這個小連詞在托福閱讀中的作用，注意啊是托福閱讀，如果你想了解它的全部意思，請參考牛津詞典，朗文詞典，韋氏英語詞典... 01一個數(shù)字標題 as做連詞(連接句子)主要的有兩個用法： 1) 做時間狀語從句，表示隨著.../當...時候，相當于when eg. As the new markets created fortunes for the few, the factory systemlowered the wages of workers by dividing labor into smaller, lessskilled tasks. (摘自OGArtisansand Industrialization) 隨著新市場為少數(shù)人創(chuàng)造了財富，工廠體系通過將勞動力分成更小、技能更低的任務，降低了工人的工資。 Asoil becomes increasingly difficult to find, the search for it isextended into more-hostile environments. (摘自tpo4PetroleumResources) 隨著石油越來越難找到，對它的搜尋也延伸到了更惡劣的環(huán)境中。 2)做原因狀語從句，表示由于，因為，相當于because eg. Until the 1970s, it was widely assumed that Chaco had been a forestedoasis that attracted farmers who initially flourished but eventuallyfell victim to their own success and exuberance, as they denuded the canyon of trees and vegetation to build large greathouses. (摘自真題ChacoPhenomenon) 直到20世紀70年代，人們普遍認為Chaco是一片森林覆蓋的綠洲吸引了不少農(nóng)民，他們起初很繁榮，但卻淪為自己的成功和繁榮的犧牲品，因為他們砍伐了峽谷中的樹木和植被來建造了巨大的房屋 Certainly,rational appeals in advertising aimed at children are limited,asmost advertisements use emotional and indirect appeals topsychological states or associations.(摘自tpo14Childrenand Advertising) 當然，在針對兒童的廣告中，理性訴求是有限的，因為大多數(shù)廣告都是對心理狀態(tài)或聯(lián)想的情感訴求和間接訴求。 02一個數(shù)字標題 as做介詞的時候，后邊跟名詞或v-ing的形式，表示“作為” eg.Of158 stencils in the French cave of Gargas, 136 have been identifiedasleft,and only 22 asright;right-handedness was therefore heavily predominant.(摘自tpo12WhichHand Did They Use) 在法國加加斯洞穴的158個模板中，有136個被認為是左邊的，只有22個是右邊的;因此，慣用右手的人占絕大多數(shù)。 Sociologistsview primary groups asbridgesbetween individuals and the larger society because they transmit,mediate, and interpret a society's cultural patterns and provide thesense of oneness so critical for social solidarity.(摘自tpo13Typesof Social Groups) 社會學家認為，主要群體是作為個體與大社會之間的橋梁，因為它們傳播、調(diào)解和解釋社會的文化模式，并提供對社會團結(jié)至關重要的統(tǒng)一性。 03一個數(shù)字標題 關系代詞這個名字只有在定語從句中才有。當as出現(xiàn)在定語從句中時，往往做的是非性從句，指代前邊一句話或者一件事，表示“正如,就像” eg.whydid they not discover the geometric perspective as European artists did in the Renaissance?(摘自tpo11AncientEgyptian Sculpture) 為什么他們不像歐洲文藝復興時期的藝術家那樣發(fā)現(xiàn)幾何角度呢? Filtering seawater for its particulate nutritional content can be anenergetically demanding method of feeding, particularly when thecurrent of water to be filtered has to be generated by the organismitself, as is the case for all planktonic animals. (摘自tpo45 FeedingStrategies in the Ocean)
