1.Totally without light and subjected to intense pressures hundreds of times greater than at the Earth’s surface，the deep—ocean bottom is a hostile environment to humans，in some ways as forbidding and remote as the void of outer space.
(定语后置in some ways…)
Totally without light and subjected to intense pressures hundreds of times greater than at the Earth’s surface 原因状语
the deep—ocean bottom is a hostile environment to humans 主句
in some ways as forbidding and remote as the void of outer space 后置定语，修饰a hostile environment to humans
2.Basic to any understanding of Canada in the 20 years after the Second World War is the country's impressive population growth.
(倒装结构Basic to any understanding…is…)
该句的正常语序是The country's impressive population growth is basic to any understanding of Canada in the 20 years after the Second World War.
3.As a result，claims that eating a diet consisting entirely of organically grown foods prevents or cures disease or provides other benefits to health have become widely publicized and form the basis for folklore.
本句的主句结构是claims have become widely publicized and form the basis for folklore. 那些观点广为人知，并成为一些民间说法的基础。
同位语从句是that eating a diet consisting entirely of organically grown foods prevents or cures disease or provides other benefits to health：只食用绿色食品就能防治疾病或增进健康
4.There are numerous unsubstantiated reports that natural vitamins are superior to synthetic ones，that fertilized eggs are nutritionally superior to unfertilized eggs，that untreated grains are better than fumigated grains and the like.
5·The desperate plight of the South has eclipsed the fact that reconstruction had to be undertaken also in the North，though less spectacularly.
6·The new accessibility of land around the periphery of almost every major city sparked an explosion of real estate development and fueled what we now know as urban sprawl.
(宾语从句what we now know as)
7.But these factors do not account for the interesting question of how there came to be such a concentration of pregnant ichthyosaurs in a particular place very close to their time of giving birth.
(of结构作定语：of how there came to be such a concentration of pregnant ichthyosaurs…)
8.Amid rumors that there were prehistoric mammoths wandering around the unknown region and that somewhere in its wilds was a mountain of rock salt 80 by 50 miles in extent，the two captains set out.
9. In the seventeenth century the organ, the clavichord，and the harpsichord became the chief instruments of the keyboard group，a supremacy they maintained until the piano supplanted them at the end of the eighteenth century.
10.A series of mechanical improvements continuing well into the nineteenth century, including the introduction of pedals to sustain tone or to soften it, the perfection of a metal frame and steel wire of the finest quality，finally produced an instrument capable of myriad tonal effects from the most delicate harmonies to an almost orchestral fullness of sound，from a liquid，singing tone to a sharp, percussive brilliance.
11.The largest, later named Pueblo Bonito(Pretty Town)by the Spanish, rose in five terraced stories，contained more than 800 rooms，and could have housed a population of 1，000 or more.
较大的一座后来被西班牙人称为Pueblo Bonito(美丽的城镇)，是一个五层梯式楼，有800多问房子，能够容纳1 000人以上。
12.Accustomed though we are to speaking of the films made before 1927 as “silent”，the film has never been，in the full sense of the word, silent.
(倒装accustomed though we are…=though we are accustomed…)
13.For a number of years the selection of music for each film program rested entirely in the hands of the conductor or leader of the orchestra，and very often the principal qualification for holding such a position was not skill or taste so much as the ownership of a large personal library of musical pieces.
(特殊结构not…SO much as…——与其说…不如说…)
14·Coincident with concerns about the accelerating loss of species and habitats has been a growing appreciation of the importance of biological diversity，the number of species in a particular ecosystem，to the health of the Earth and human well-being.
(倒装coincident with concerns…has been…=…has been coincident with concerns…)
15.The fact that half of the known species are thought to inhabit the world's rain forests does not seem surprising，considering the huge numbers of insects that comprise the bulk of the species.
(同位语从句fact that…;定语从句that comprise the bulk…)
16.To appreciate fully the diversity and abundance of life in the sea，it helps to think small.
(特殊结构it helps to…做…有帮助)
1 7.Science is built with facts just as a house is built with bricks，but a collection of facts cannot be called science any more than a pile of bricks can be called a house.
(特殊结构not any more than像…一样不…)
18.The variation between the hemispheres corresponds to which side of the body is used to perform specific activities.
(从句which side…is used…作corresponds to的宾语
19.In a period characterized by the abandonment of so much of the realistic tradition by authors such as John Barth，Donald Barthelme，and Thomas Pynchon, Joyce Carol Oates has seemed at times determinedly old-fashioned in her insistence on the essentially mimetic quality of her fiction.
20.If it were not for this faculty，they would devour all the food available in short time and would probably starve themselves out of existence.
21.Individualism is weakly developed in folk cultures，as are social classes.
(倒装as are social classes)
22.People in the United States in the nineteenth century were haunted by the prospect that unprecedented change in the nation's economy would bring social chaos.
23.Accompanying that growth was a structural change that featured increasing economic diversification and a gradual shift in the nation's labor force from agriculture to manufacturing and other nonagricultural pursuits.
(倒装Accompanying that growth was a structural change that…=A structural change…was accompanying that growth)
24.As the roles men and women played in society became more rigidly defined, so did the roles they played in the home.
25.Surrounding the column are three sepals and three petals，sometimes easily recognizable as such，often distorted into gorgeous，weird，but always functional shapes.
(倒装Surrounding the column are…) <<点击进入在线测试平台