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[托福阅读TPO] 托福阅读TPO7(试题+答案+译文)第1篇:The Geologic History of
In 1970 geologists Kenneth J. Hsu and William B.F. Ryan were collecting research data while aboard the oceanographic research vessel Glomar Challenger.2014-08-18 编辑：alice
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[托福阅读TPO] 托福阅读TPO17(试题+答案+译文)第3篇:Symbiotic Relationship
【1】A symbiotic relationship is an interaction between two or more species in which one species lives in or on another species.2014-09-17 编辑：alice
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[托福阅读TPO] 托福阅读TPO6(试题+答案+译文)第3篇:Infantile Amnesia
What do you remember about yourlife before you were three? Few people can remember anything that happened tothem in their early years.2014-08-15 编辑：alice
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[托福阅读TPO] 托福阅读TPO6(试题+答案+译文)第2篇:William Smith
In 1769 in a little town in Oxfordshire, England, a childwith the very ordinary name of William Smith was born into the poor family of avillage blacksmith.2014-08-14 编辑：alice
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[托福阅读TPO] 托福阅读TPO6(试题+答案+译文)第1篇:Powering the Industrial
In Britain one of the most dramatic changesof theIndustrial Revolution was the harnessing of power. Until the reign ofGeorge Ⅲ(1760-1820),available sources of power for work and travel had notincrea..2014-08-13 编辑：alice
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[托福阅读TPO] 托福阅读TPO18(试题+答案+译文)第1篇:Industrialization in t
【1】While some European countries, such as England and Germany, began to industrialize in the eighteenth century, the Netherlands and the Scandinavian countries of Denmark, Norway, and Sweden develop..2014-09-18 编辑：alice
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[托福阅读TPO] 托福阅读TPO5(试题+答案+译文)第3篇:The Cambrian Explosion
The geologic timescale is marked by significant geologic and biological events, including the origin of Earth about 4.6 billion years ago, the origin of life about 3.5 billion years ago, the origin ..2014-08-12 编辑：alice
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[托福阅读TPO] 托福阅读TPO5(试题+答案+译文)第2篇:The Origin of the Pacif
The greater Pacific region, traditionally called Oceania, consists of three cultural areas: Melanesia, Micronesia, and Polynesia. Melanesia, in the southwest Pacific, contains the large islands of N..2014-08-11 编辑：alice
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[托福阅读TPO] 托福阅读TPO5(试题+答案+译文)第1篇:Minerals and Plants
Research has shown that certain minerals are required by plants for normal growth and development.2014-08-10 编辑：alice
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[托福阅读TPO] 托福阅读TPO4(试题+答案+译文)第3篇:Petroleum Resources石油资源
Petroleum, consisting of crude oil and natural gas, seems to originate from organic matter in marine sediment. Microscopic organisms settle to the seafloor and accumulate in marine mud. The organic ..2014-08-09 编辑：alice
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[托福阅读TPO] 托福阅读TPO16(试题+答案+译文)第1篇:Trade and the Ancient
Trade was the mainstay of the urban economy in the Middle East, as caravans negotiated the surrounding desert, restricted only by access to water and by mountain ranges.2014-09-12 编辑：alice
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[托福阅读TPO] 托福阅读TPO16(试题+答案+译文)第2篇:Development of the Per
The periodic table is a chart that reflects the periodic recurrence of chemical and physical properties of the elements when the elements are arranged in order of increasing atomic number (the numbe..2014-09-13 编辑：alice
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[托福阅读TPO] 托福阅读TPO18(试题+答案+译文)第2篇:The mystery of yawning
【1】According to conventional theory, yawning takes place when people are bored or sleepy and serves the function of increasing alertness by reversing, through deeper breathing, the drop in blood oxy..2014-09-19 编辑：alice
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[托福阅读TPO] 托福阅读TPO18(试题+答案+译文)第3篇:Lightning
【1】Lightning is a brilliant flash of light produced by an electrical discharge from a storm cloud. The electrical discharge takes place when the attractive tension between a region of negatively cha..2014-09-20 编辑：alice
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[托福阅读TPO] 托福阅读TPO16(试题+答案+译文)第3篇:Planets in Our Solar S
The Sun is the hub of a huge rotating system consisting of nine planets, their satellites, and numerous small bodies, including asteroids, comets, and meteoroids.2014-09-14 编辑：alice
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[托福阅读TPO] 托福阅读TPO19(试题+答案+译文)第1篇:The Roman Army's I
【1】In the wake of the Roman Empire's conquest of Britain in the first century A.D., a large number of troops stayed in the new province2014-09-21 编辑：alice
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[托福阅读TPO] 托福阅读TPO19(试题+答案+译文)第2篇:The Roman Army's I
【1】In the late nineteenth century, ecology began to grow into an independent science from its roots in natural history and plant geography.2014-09-22 编辑：alice
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[托福阅读TPO] 托福阅读TPO19(试题+答案+译文)第3篇:Discovering the Ice Ag
【1】In the middle of the nineteenth century, Louis Agassiz, one of the first scientists to study glaciers, immigrated to the United States from Switzerland and became a professor at Harvard Universit..2014-09-23 编辑：alice
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[托福阅读TPO] 托福阅读TPO20(试题+答案+译文)第1篇:Westward Migration
【1】The story of the westward movement of population in the United States is, in the main, the story of the expansion of American agriculture—of the development of new areas for the raising of livest..2014-09-24 编辑：alice
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[托福阅读TPO] 托福阅读TPO20(试题+答案+译文)第2篇:Early Settlements in t
【1】The universal global warming at the end of the Ice Age had dramatic effects on temperate regions of Asia, Europe, and North America. Ice sheets retreated and sea levels rose.2014-09-25 编辑：alice
