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新GRE阅读长难句实例分析8.

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  GRE阅读长难句一直是广大GRE考生比较头疼的事情,以下是澳际小编为大家搜集整理的新GRE阅读长难句实例,希望大家能够有效的背诵这些难句,帮助攻克GRE阅读长难句,为你的GRE阅读提分。

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  32.One such novel idea is that of inserting into the chromosomesof plants discrete genes that are not a part of the plants&apos naturalconstitution:specifically,the idea of inserting into nonleguminousplants the genes,if they can be identified and isolated,that fit theleguminous plants to be hosts for nitrogen-fixing bacteria. Hence,theintensified research on legumes.

  这其中的一个新颖思想就是,在植物的染色体(chromosome)内注入并非是该植物自然构造一个部分的那些不相关联的因基:具体而言,这一思想是,在非豆科植物内注入这样一些基因,倘若这些基因可被辨识出来并被分离开来,而这些基因业已使豆科植物宜于充当那些具备固氮作用的细菌的寄主。由此,对豆科植物的研究日趋深入。

  33.It is one of nature&aposs great ironies that the availability ofnitrogen in the soil frequently sets an upper limit on plant growtheven though the plants&apos leaves are bathed in a sea of nitrogengas.

  下述情形真可谓是自然界的一个莫大讽刺:土壤中所能获得的氮肥量往往对植物的生长构成了一个上限,虽然植物的叶子被沐浴在一片氮气的海洋中。

  34.Unless they succeed,the yield gains of the Green Revolutionwill be largely lost even if the genes in legumes that equip thoseplants to enter into a symbiosis with nitrogen fixers are identifiedand isolated,and even if the transfer of those gene complexes,once theyare found,becomes possible.

  除非他们能取得成功,不然的话,绿色革命的产量收益将在很大程度上损失殆尽,即使豆科植物中使这些植物有条件进入到与固氮细菌共生关系的基因可被辨识出来和分离开来的话,且即使这些基因综合体(gene complex),一旦被发现之后,其移植得以成为可能的话。

  35.Its subject(to use Maynard Mack&aposscategories)is "life-as-spectacle," for readers,diverted by itsvarious incidents,observe its hero Odysseus primarily from without;thetragic Iliad,however,presents "life-as-experience""readers are asked toidentify with the mind of Achilles,whose motivations render him a notparticularly likable hero.

  其主题〔若借鉴梅纳德。迈克(MaynardMack)的两个分类范畴的话〕是“人生作为外部景象”,因为读者的注意力被作品那形形色色的事件所分散,主要是从外部来观察其主人公奥德修斯(Odyssus)的;然而,富于悲剧色彩的《伊利亚特》所表现的则是“人生作为内心体验”:读者被要求与阿基琉斯(Achilles)的心灵产生共鸣,而其行为动机却致使他变作一个并非特别惹人喜爱的主人公。

  36.Most striking among the many asymmetries evident in an adultflatfish is eye placement: bore maturity one eye migrates,so that inan adult flatfish both eyes are on the same side of the head.

  在一条成年比目鱼身上显著存在的诸多不对称(asymmetry)特征中,最为吸人注目的是眼睛的摆位:在成年之前,一只眼睛发生移动,因此在成年比目鱼身上,两只眼睛均位于头部的同一侧面。

  37.The best evidence for the layered-mantle thesis is thewell-established fact that volcanic rocks found on oceanicislands,islands believed to result from mantle plumes arising from thelower mantle,are composed of material fundamentally different from thatof the midocean ridge system, whose source,most geologists contend,isthe upper mantle.

  对于地幔分层论点来说,最好的证据乃这样一个确认的事实,即在那些海洋岛屿——这些岛屿据信是源于由下层地幔升上来的地幔柱状溶岩流(mantleplume)——上发现的火山岩石,是由与海洋中部山脊系统的物质根本不同的物质构成的,而这一海洋中部山脊系统的成因,大多数地质学家论辩道,为上部地幔。

  在GRE阅读中需要明白GRE阅读长难句才能理解整篇文章的意思,因此需要各位考生认真备考。只要你合理地安排时间,科学的掌握背诵技巧。平时多积累,短时间内,相信你的GRE阅读长难句肯定会有所突破!

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