gre作文大講堂:長難句示例五

字號:

Gre寫作是美國所有作文考試中時刻最長而質(zhì)量要求最高的一類作文考試,而在短期內(nèi)提高gre寫作能力不是一天兩天可以完成額,所以我們在備考2011新gre寫作時必然要對問題問題深切的剖析,體味以下優(yōu)異范文的文章結(jié)構(gòu),以提高新gre寫作的整體分?jǐn)?shù)。
    21.Studies by Hargrave and Geen estimated natural community graz-ingrates by measuring feeding rates ofindividual zooplankton species inthelaboratory and then computing community grazing rates for fieldconditionsusing the known population densityof grazers.
    由哈格雷夫(Hargrave)和吉恩(Geen)所進(jìn)行的研究,對自然條件下的群落食草比例進(jìn)行了估計,其手段是通過測量出實驗室內(nèi)單獨的浮游動物種類的結(jié)食比例,然后利用已知的食草動物種群密度,計算出實地狀況下的群落食草比例。
    22.In the periodsof peak zooplankton abundance,that is,in the latespring and in the summer,Haney recorded maximum daily com-munitygrazing rates,for nutrient-poorlakes and bog lakes,respectively,of 6.6percent and 114 percent of daily phytoplankton production.
    在浮游動物數(shù)量激增的高峰期,亦即在春季后期以及夏季,哈尼記錄了最大程度上的每日群落食草比率,對于營養(yǎng)物不充足的湖和沼澤湖而言,分別為每日浮游植物繁殖量的6.6%和114%.
    23.The hydrologic cycle,a major topic in this science,is thecomplete cycle of phenomena through which water passes,beginning asatmospheric water vapor,passing into liquid and solid form asprecipitation,thence along and into the ground surface,and finallyagain returning to the form of atmospheric water vapor by means ofevaporation and transpiration.
    水文循環(huán)(hydrologiccycle),作為該學(xué)科中的一個主要課題,指的是水所經(jīng)過的諸現(xiàn)象的整個循環(huán)過程,開始時是作為大氣中的水蒸氣,轉(zhuǎn)而作為雨、雪、露、雹一類的降水量經(jīng)過液體和固體形態(tài),由此而沿著地層表面分布或進(jìn)入地層表面,最終通過蒸發(fā)和散發(fā)作用再度回復(fù)到大氣水蒸氣的形態(tài)。
    24.The historian Frederick J. Turner wrote in the 1890’s that theagrarian discontent that had been developingsteadily in the UnitedStates since about 1870 had been precipitated by theclosing of theinternal frontier——that is,the depletion of available new landneededfor further expansion of the American farming system.
    史學(xué)家弗雷德里克.杰.特納(FrederickJ.Turner)于十九世紀(jì)九十年代著述道,美國約自18世紀(jì)70年代以來一直在持續(xù)不斷發(fā)展的農(nóng)民不滿,由于國內(nèi)邊遠(yuǎn)地區(qū)(internalfrontier)的封閉而更趨加劇——亦即是說,美國農(nóng)業(yè)系統(tǒng)進(jìn)一步擴(kuò)展所必需的可資利用的新土地幾近耗竭。 感謝您閱讀《長難句示例五 》一文,出國留學(xué)網(wǎng)(liuxue86.com)編輯部希望本文能幫助到您。