教你輕松突破SAT閱讀長難句

1. Studies by Hargrave and Geen estimated natural community grazing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers. (難度系數(shù)5)

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捕食速率進(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捕食速率，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捕食速率。難句類型：復(fù)雜修飾

2. In the periods of peak zooplankton abundance，that is，in the late spring and in the summer，Haney recorded maximum daily community grazing rates，for nutrient-poor lakes and bog lakes，respectively，of 6.6 percent and 114 percent of daily phytoplankton production. (難度系數(shù)3+)

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%.難句類型：插入語

3. The hydrologic cycle，a major topic in this science，is the complete cycle of phenomena through which water passes，beginning as atmospheric water vapor，passing into liquid and solid form as precipitation，thence along and into the ground surface，and finally again returning to the form of atmospheric water vapor by means of evaporation and transpiration. (難度系數(shù)4)

水文循環(huán)(hydrologic cycle)，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)。難句類型：復(fù)雜修飾、插入語、省略

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4. Only when a system possesses natural or artificial boundaries that associate the water within it the hydrologic cycle may the entire system properly be termed hydrogeologic.(難度系數(shù)4)

只有當(dāng)一個系統(tǒng)擁有自然的或人工形成的邊界來把邊界中的水與水文循環(huán)聯(lián)系起來的時候，才有可能把整個的系統(tǒng)恰當(dāng)?shù)某蔀榕c水文地質(zhì)學(xué)有關(guān)。難句類型：復(fù)雜修飾、倒裝

5.The historian Frederick J. Turner wrote in the 1890’s that the agrarian discontent that had been developing　steadily in the United States since about 1870 had been precipitated by the　　closing of the internal frontier——that is，the depletion of available new land　needed for further expansion of the American farming system. (難度系數(shù)4)

史學(xué)家弗雷德里克.杰.特納(Frederick J.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)(internal frontier)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。

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