编辑点评: GRE考试中,很多长句难句让考生们困扰不已,本文选择了部分难句给大家稍作分析。
22.In the periods of peak zooplankton abundance,that is,in thelate spring and in the summer,Haney recorded maximum daily com-munitygrazing rates,for nutrient-poor lakes and bog lakes,respectively,of 6.6percent and 114 percent of daily phytoplankton production.
在浮游动物数量激增的高峰期,亦即在春季后期以及夏季,哈尼记录了最大程度上的每日群落食草比率,对于营养物不充足的湖和沼泽湖而言,分别为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.
水文循环,作为该学科中的一个主要课题,指的是水所经过的诸现象的整个循环过程,开始时是作为大气中的水蒸气,转而作为雨、雪、露、雹一类的降水量经过液体和固体形态,由此而沿着地层表面分布或进入地层表面,最终通过蒸发和散发作用再度回复到大气水蒸气的形态。
24.The historian Frederick J. Turner wrote in the 1890 s that theagrarian discontent that had been developing steadily in the UnitedStates since about 1870 had been precipitated by the closing of theinternal frontier that is,the depletion of available new land neededfor further expansion of the American farming system.
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