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1 For years historians have sought to identify crucial elements in the eighteenth-century rise in industry, technology, and economic power known as the Industrial Revolution【并列主句1】, and many give prominence to the problem of energy【并列主句2】.
佳句妙译 多年来，历史学家们一直在寻找能够证明十八世纪工业革命中工业、技术和经济实力发展的重要证据，许多人都聚焦于能源问题。
句法精析 这句话是并列句，整个句子的结构是并列主句1 +并列主句2，如英文句下标注所示。
v. 辨认；发现；找到
例 They are trying to identify what is wrong with the present system. 他们正在尝试找出目前系统有问题的地方。
n. 重要；突出；卓越
例 The issue was given great prominence in the press. 媒体对这个话题高度关注。
2 A rotary engine attached to the steam engine【主语】 enabled shafts to be turned and machines to be driven【谓语】, resulting in mills using steam power to spin and weave cotton【分词短语作状语】.
佳句妙译 附属于蒸汽机引擎上的旋转引擎可以使轴转动并带动机器运转，使纺织机得以利用蒸汽旋转并编织棉布。
句法精析 这句话是简单句，整个句子的结构是主语+谓语+宾语+补语+状语，如下：
主语：A rotary engine attached to the steam engine
谓语：enabled shafts to be turned and machines to be driven
状语：resulting in mills using steam power to spin and weave cotton
v. 把…附着；缠着；与…有关联
例 I attach a copy of my notes for your information.我附了一份我的笔记供你参考。
搭 attach to 附于…
v. 快速旋转
例 The plane was spinning out of control.飞机失去控制，不停地旋转。
v. 编织；编排；迂回行进
例 She is skilled at spinning and weaving. 她是纺织能手。
3 Greater productivity and rising demands【主语】 provided【谓语】 entrepreneurs【宾语】 with profits【补语】 that could be【定语从句】 reinvested to take advantage of new technologies to further expand capacity, or to seek alternative investment opportunities.
佳句妙译 更强的生产力和不断增长的需求给企业家们提供了再投资的机会；他们可以利用新技术获利，从而扩大产量或者寻找其他投资机会。
句法精析 这句话是复合句。整个句子的结构是主语+谓语+宾语+补语+定语从句，如下：
主语：Greater productivity and rising demands
谓语：provided
宾语：entrepreneurs
补语：with profits
定语从句：that could be reinvested to take advantage of new technologies to further expand capacity, or to seek alternative investment opportunities
n. 创业者；企业家
例 Jack Ma is an entrepreneur that attracts world attention. 马云是一位倍受世界瞩目的创业者。
派 entrepreneurship （n. 企业家精神）
n. 优势；优点
例 You will be at an advantage if you have thought about the interview questions in advance. 如果你预先考虑过面试中提出的问题，就会处于优势。
搭 take advantage of利用 at advantage 处于优势
n. 容器；能力；职责；生产量；功率
例 The factory is working at full capacity. 这家工厂在开足马力生产。
4 They【主语】 possess【谓语】 drought-resisting adaptations:【宾语】loss of water through the leaves is reduced by means of dense hairs covering waxy leaf surfaces, by the closure of pores during the hottest times to reduce water loss, and by the rolling up or shedding of leaves at the beginning of the dry season【同位语从句】.
佳句妙译 它们拥有抗干旱的适应能力：为减少水分流失，蜡质的叶面长满密集的绒毛，在极度炎热的时期关闭毛孔，以及在旱季初期卷曲或掉落叶子。
句法精析 这句话是复合句，整个句子的结构是主语+谓语+宾语，如下：
主语：They
谓语：possess
宾语：drought-resisting adaptations
冒号后面的句子为同位语，包含三个by引导的短语，对前面的adaptation进行进一步解释说明。
v. 拥有；具有；支配
例 He was charged with possessing a shotgun without a licence. 他被控无照拥有猎枪。
派 possession （n. 所有物；私人物品）
v. 抵挡；阻挡；回击
例 The bank strongly resisted cutting interest rates. 这家银行坚决抵制降低利率。
派 resistance（n. 抵制；反抗）
n. 适应；改编本
例 Desert species have high adaptation to hot conditions.
沙漠物种对于炎热的环境有很强的适应力。
5 Escape【主语】 involves【谓语】 such actions as aestivation【宾语】, a condition of prolonged dormancy, or torpor【同位语】, during which animals reduce their metabolic rate and body temperature during the hot season or during very dry spells【定语从句】.
佳句妙译 逃避行为包括诸如夏眠的这类行为，夏眠是一种长时间休眠或者迟缓的状态，发生在炎热季节或者干旱期， 在此期间动物会降低代谢速度和身体温度。
句法精析 这句话是复合句，整个句子的结构是主语+谓语+宾语+同位语+定语从句，如下：
主语：Escape
谓语：involves
宾语：such actions as aestivation
同位语：a condition of prolonged dormancy, or torpor
定语从句：during which animals reduce their metabolic rate and body temperature during the hot season or during very dry spells
n. 【动】夏蛰，夏眠
搭 aestivation period 夏眠期
n. 状态；环境；条款；前提
例 The motorcyclist was in a critical condition in hospital last night. 那位摩托车手昨晚在医院生命垂危。
v.延长
例 The operation could prolong his life by two or three years. 这次手术可使他多活两到三年的时间。
派 prolongation（n. 延长；延伸）
6 The sparse distribution of the feathers【主语】,however【插入语】,also allows【谓语】 considerable lateral air movement【宾语】 over the skin surface【状语1】,thereby permitting further heat loss by convection【分词作状语2】.
佳句妙译 然而，稀疏分布的羽毛使得大量的侧面风吹过皮肤表面，由此通过对流带走更多热量。
句法精析 这句话是简单句，整个句子的结构是主语 + 插入语 + 谓语 + 宾语+状语1 +状语2，如下：
主语：The sparse distribution of the feathers
插入语：however
谓语：also allows
宾语：considerable lateral air movement
状语1：over the skin surface
状语2：thereby permitting further heat loss by convection
n. 分配；分发；分销
例 The map shows the distribution of this species across the world. 地图上标明了这一生物在全世界的分布情况。
adj. 相当多（或大、重要等）的
例 The project wasted a considerable amount of time and money. 这项工程耗费了相当多的时间和资金。
派 considerably （adv. 相当多地）
7 A major development【主语】 was【系动词】 the discovery【表语】, again about 3000 B.C.E.,【状语】that if copper, which had been known in Mesopotamia since about 3500 B.C.E., was mixed with tin, a much harder metal, bronze, would result【同位语从句】.
佳句妙译 一项重大进步同样发生在公元前3000年，人们发现如果在自公元前3500年就流传于美索不达米亚的铜中混合锡这种更坚硬的金属，就能生产出青铜。
句法精析 这句话是复合句，整个句子的结构是主语 + 系动词 + 表语+ 状语 + 同位语从句，如下：
主语：A major development
系语：was
表语：the discovery
状语：again about 3000 B.C.E.
表语从句：that if copper, which had been known in Mesopotamia since about 3500 B.C.E., was mixed with tin, a much harder metal, bronze, would result
n. 发现；发觉
例 She was shocked by the discovery that he had been unfaithful. 她发现他不忠时感到非常震惊。
8 An increasingly sophisticated system of administration led in about 3300 B.C.E. to the appearance of writing【并列主句1】, and the earliest script was based on logograms, with a symbol being used to express a whole word【并列主句2】.
佳句妙译 一个逐渐复杂的管理体系大约在公元前3300年促使了写作的诞生，最早的手稿以速记符号为基础，使用一个符号表达整个单词。
句法精析 这句话是并列句，整个句子的结构是并列主句1 + 并列主句2，如下：
并列主句1：An increasingly sophisticated system of administration led in about 3300 B.C.E. to the appearance of writing
并列主句2：and the earliest script was based on logograms, with a symbol being used to express a whole word
adj. 老练的；精密的；水平高的
例 Mark is a smart and sophisticated young man. Mark是一个聪明老成的年轻人。
n. 外貌；起源；公开露面
例 She had never been greatly concerned about her appearance. 她从来不怎么注意外貌。
9 While population estimates are notoriously unreliable【让步状语】,scholars【主语】 assume【谓语】that Uruk inhabitants were able to support themselves from the agricultural production of the field surrounding the city【宾语从句】, which could be reached with a daily commute【定语从句】.
佳句妙译 众所周知人口估计的数据是不可靠的，但是学者们认为乌鲁克居民可以通过日常与周围地区的通勤，得到周围地区出产的农产品以实现自给自足。
句法精析 这句话是复合句，整个句子的结构是让步状语从句 + 主语 +谓语 + 宾语从句 + 定语从句，如下：
让步状语从句：While population estimates are notoriously unreliable
主语：scholars
谓语：assume
宾语从句：that Uruk inhabitants were able to support themselves from the agricultural production of the field surrounding the city
定语从句：which could be reached with a daily commute
adv. 众所周知地；臭名昭著地
例 Mountain weather is notoriously difficult to predict. 山地天气难以预料是人所共知的。
n. 居民；栖息动物
例 Mike is the oldest inhabitant of the village. Mike是这个村庄最老的居民。
派 inhabit（v. 居住于）
n. 通勤 v.上下班往返；经常往返（于两地）
例 She commutes from Oxford to London every day.她每天往返于牛津与伦敦之间。
10 A glance at a map of the Pacific Ocean【主语】 reveals【谓语】that there are many islands far out at sea that are actually volcanoes【宾语从句】—many no longer active, some overgrown with coral【插入语】—that originated from activity at points in the interior of the Pacific Plate【定语从句1】 that forms the Pacific seafloor【定语从句2】.
佳句妙译 扫一眼太平洋的地图就能知道，处于海洋深处的众多岛屿其实都是火山——其中有很多已经不活动了，有一些长满了珊瑚——这些火山都起源于当时太平洋板块内部一些部位在形成太平洋海底时的地质活动。
句法精析 这句话是复合句，整个句子的结构是主语 + 谓语 + 宾语从句 + 插入语 + 定语从句1 + 定语从句2，如下：
主语：A glance at a map of the Pacific Ocean
谓语：reveals
宾语从句：that there are many islands far out at sea that are actually volcanoes
插入语：many no longer active, some overgrown with coral
定语从句1：that originated from activity at points in the interior of the Pacific Plate
定语从句2：that forms the Pacific seafloor
v. 起源；创立
例 The disease is thought to have originated in the tropics.人们认为这种疾病起源于热带地区。
n.内部；内陆；内政
例 The original interior of the hotel has been replaced. 酒店原来内部的装潢都被替换了。
反 exterior
11 Most volcanoes that occur in the interiors of plates【主语】 are believed【谓语】 to be produced by mantle plumes【宾语】, columns of molten rock that rise from deep within the mantle【同位语】.
佳句妙译 大多数发生在板块内部的火山爆发都被认为是由地幔柱引发的，地幔柱即从地幔深处涌出的熔岩形成的柱体。
句法精析 这句话是复合句，整个句子的结构是主语 + 定语从句+谓语 + 宾语+ 同位语+定语从句，如下：
主语：Most volcanoes that occur in the interiors of plates，其中包含that引导的定语从句
谓语：are believed
宾语：to be produced by mantle plumes
同位语：columns of molten rock that rise from deep within the mantle，其中包含that引导的定语从句，进一步说明mantle plumes
12 Low prey population levels then provide inadequate food for the predators【并列主句1】, causing the predator population to decrease【伴随状语】, and when this occurs【时间状语从句】, the prey population can rebound【并列主句2】.
佳句妙译 被捕食动物数量的不足造成了捕食者食物的缺乏，使捕食者数量下降；当这个情况发生时，被捕食动物的数量会反弹。
句法精析 这句话是并列复合句，整个句子的结构是并列主句1 + 伴随状语 + 时间状语从句 + 并列主句2，如下：
并列主句1：Low prey population levels then provide inadequate food for the predators
伴随状语：causing the predator population to decrease
时间状语从句：when this occurs
并列主句2：and...the prey population can rebound
n. 捕食性动物；剥削者
例 Some animals have no natural predators.有些动物没有天敌。
v.反弹；反作用于；回升
例 The ball rebounded from the goalpost and Owen headed it in. 球从门柱弹回，Owen头球将球攻进。
13 Do increasing numbers of hares lead to overharvesting of plants【并列主句1】, which in turn results in reduced hare populations【定语从句】, or do increasing numbers of lynx lead to overharvesting hares?【并列主句2】
佳句妙译 是野兔数量的增长使得植物被过度破坏，随之导致了野兔的减少？还是山猫的增加导致了野兔被过度捕捉？
句法精析 这句话是并列复合句，整个句子的结构是并列主句1 + 定语从句 + 并列主句2，如下：
并列主句1：Do increasing numbers of hares lead to overharvesting of plants
定语从句：which in turn results in reduced hare populations
并列主句2：or do increasing numbers of lynx lead to overharvesting hares
n. 野兔
n.山猫
14 If the water table intersects the land surface【条件状语从句】,groundwater will flow out onto the surface at springs, whether to be collected there or to subsequently flow farther along drainage【主句】.
佳句妙译 如果地下水位与地表交叉，那么地下水会在春天流出地面，要么汇聚在那里，要么随着排水渠流向远方。
句法精析 这句话是复合句，整个句子的结构是条件状语从句+主句，如下：
条件状语从句：If the water table intersects the land surface
主句：groundwater will flow out onto the surface at springs, whether to be collected there or to subsequently flow farther along drainage
v. 相交；贯穿；横断
例 The landscape is intersected with spectacular gorges. 大地景色中点缀着壮观的峡谷。
派 intersection（n. 十字路口）
n. 排水；排水系统
例 This area has good natural drainage.这个地区有良好的天然排水系统。
15 At greater depths within Earth【状语1】,the pressure of the overlying rock causes pores and cracks to close【并列主句1】,reducing the space that pore water can occupy【状语2】, and almost complete closure occurs at a depth of about 10 kilometers【并列主句2】.
佳句妙译 在地球更深的地方，上层岩石的压力使得小孔和裂缝闭合，从而减少了可储存水的空间，并且10千米以下的所有空间几乎完全封闭。
句法精析 这句话是并列句，整个句子的结构是状语1 +并列主句1+状语2 +并列主句2，如下：
状语1：At greater depths within Earth
并列主句1：the pressure of the overlying rock causes pores and cracks to close
状语2：reducing the space that pore water can occupy
并列主句2：and almost complete closure occurs at a depth of about 10 kilometers
n. 毛孔；孔隙
n. 裂缝；缝隙
例 This cup has a crack in it. 这杯子有一道裂缝。
16 The areas that are now desert【主语】 were【系动词】,like all arid regions【插入语】,very susceptible to cycles of higher and lower levels of rainfall【表语】,resulting in major, sudden changes in distributions of plants and animals【状语】.
佳句妙译 现在这片沙漠，和所有的干旱区域一样，对大量和少量降雨的循环非常敏感，这些交替循环会导致动植物分布发生巨大的骤变。
句法精析 这句话是复合句，整个句子的结构是主语+定语从句+系动词+插入语+表语+状语，如下：
主语：The areas that are now desert，其中包含that引导的定语从句
系动词：were
插入语：like all arid regions
表语：very susceptible to cycles of higher and lower levels of rainfall
状语：resulting in major, sudden changes in distributions of plants and animals
adj. 易受影响的；易受感情影响的
例 Some plants are more susceptible to frost damage than others. 有些植物比其他的更易遭受霜冻危害。
搭 susceptible to 易受…影响
17 Under these circumstances【状语】,archaeologist Andrew Smith believes【主句】,the small herds of Bos primigenius in the desert became smaller, more closely knit breeding units as the drought took hold【宾语从句】.
佳句妙译 在这些情况下，考古学家Andrew Smith认为，随着干旱的猖獗，沙漠上原牛的小群体变得越来越小，繁殖单位也越来越小（近亲繁殖的可能性增大）。
句法精析 这句话是复合句，整个句子的结构是状语+主句+宾语从句+状语从句，如下：
状语：Under these circumstances
主句：archaeologist Andrew Smith believes
宾语从句：the small herds of Bos primigenius in the desert became smaller, more closely knit breeding units as the drought took hold，其中包含由as引导的原因状语从句
n. 考古学家
18 The beasts were more disciplined【主句】,so that it was easier for hunters to predict their habits, and capture animals at will【结果状语从句】.
佳句妙译 兽群变得更加自律，因此猎人更容易预测它们的习性并随意抓捕。
句法精析 这句话是复合句，整个句子的结构是主句 + 结果状语从句，如下：
主句： The beasts were more disciplined
结果状语从句：so that it was easier for hunters to predict their habits, and capture animals at will
adj. 纪律严明的
例 The company takes a disciplined approach to managing costs. 公司对于花费的控制纪律严明。
19 South African farmers who maintain herds of wild eland (large African antelopes with short, twisted horns)【主语】report【谓语】 that the offspring soon diminish in size, unless wild bulls are introduced constantly from outside【宾语从句】.
佳句妙译 饲养野生大羚羊群（非洲一种螺旋状短角大羚羊）的南非农民报告称，除非不断引入外来的野牛，否则大羚羊群的后代将很快减少。
句法精析 这句话是复合句，整个句子的结构是主语+定语从句+谓语+宾语从句+条件状语从句，如下：
主语：South African farmers who maintain herds of wild eland (large African antelopes with short, twisted horns)，其中还包含一个由who引导的定语从句
谓语：report
宾语从句：that the offspring soon diminish in size, unless wild bulls are introduced constantly from outside，其中还包含一个由unless引导的条件状语从句
v. 维持；维修；抚养；饲养
例 The two countries have always maintained close relations. 这两个国家一直保持着密切关系。
v. 减少；减弱；贬低
例 The world’s resources are rapidly diminishing. 世界资源正在迅速减少。
同 decrease, belittle
20 Whatever the source of the original tamed herds might have been【状语从句】,it seems entirely likely【主句】that much the same process of juxtaposition (living side by side) and control occurred in both southwest Asia and northern Africa, and even in Europe, among peoples who had an intimate knowledge of the behavior of wild cattle【表语从句】.
佳句妙译 不管最初被驯服的畜群来自哪里，很可能西南亚和北非都经历了毗邻（一起生活）与控制的相同过程，甚至在欧洲这个人们熟识野牛行为的地方也是如此。
句法精析 这句话是复合句，整个句子的结构是状语从句 + 主句 + 表语从句，如下：
状语从句：Whatever the source of the original tamed herds might have been
主句：it seems entirely likely
表语从句：that much the same process of juxtaposition (living side by side) and control occurred in both southwest Asia and northern Africa, and even in Europe, among peoples who had an intimate knowledge of the behavior of wild cattle
n. 并置；毗邻
adj.亲密的；密切的；精通的
例 He has an intimate knowledge of the English countryside. 他对英格兰乡村了解得非常透彻。