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[托福阅读TPO] 托福阅读TPO1(试题+答案+译文)第3篇:Timberline Vegetation o
The transition from forest to treeless tundraon a mountain slope is often a dramatic one. Within a vertical distance of just a few tens of meters, trees disappear as a life-form and are replaced by ..2014-07-31 编辑：alice
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[托福阅读TPO] 托福阅读TPO2(试题+答案+译文)第1篇:The Origins of Cetacean
It should be obvious that cetaceans—whales, porpoises, and dolphins—are mammals. They breathe through lungs, not through gills, and give birth to live young.2014-08-01 编辑：alice
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[托福阅读TPO] 托福阅读TPO1(试题+答案+译文)第1篇:Groundwater
Groundwater is the word Groundwater is the word used to describe water that saturates the ground, filling all the Groundwater is the word used to describe water that saturates the ground, filling al..2014-07-29 编辑：alice
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[托福阅读TPO] 托福阅读TPO2(试题+答案+译文)第2篇:Desert Formation
The deserts, which already occupy approximately a fourth of the Earth's landsurface, have in recent decades been increasing at an alarming pace. Theexpansion of desert-like conditions into areas..2014-08-02 编辑：alice
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[托福阅读TPO] 托福阅读TPO1(试题+答案+译文)第2篇:The origins of theater
In seeking to describe the origins of theater, one must rely primarily on speculation, since there is little concrete evidence on which to draw.2014-07-30 编辑：alice
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[托福阅读TPO] 托福阅读TPO2(试题+答案+译文)第3篇:Early Cinema
The cinema did not emerge as a form of mass consumption until its technologyevolved from the initial "peepshow" format to the point where imageswere projected on a screen in a darkened theat..2014-08-03 编辑：alice
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[托福阅读TPO] 托福阅读TPO3(试题+答案+译文)第1篇:Architecture建筑
Architecture is theart and science of designing structures that organize and enclose space forpractical and symbolic purposes.2014-08-04 编辑：alice
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[托福阅读TPO] 托福阅读TPO3(试题+答案+译文)第2篇:Depletion of the Ogalla
The vast grasslandsof the High Plains in the central United States were settled by farmers andranchers in the 1880s.2014-08-05 编辑：alice
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[托福阅读TPO] 托福阅读TPO3(试题+答案+译文)第3篇:The Long-Term Stability
Plant communities assemble themselves flexibly, and their particular structure depends on the specific history of the area. Ecologists use the term “succession” to refer to the changes that happen i..2014-08-06 编辑：alice
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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.2014-08-16 编辑：alice
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[托福阅读TPO] 托福阅读TPO4(试题+答案+译文)第1篇:Deer Populations of the
Two species of deer have been prevalent inthe Puget Sound area of Washington State in the Pacific Northwest of the United States.2014-08-07 编辑：alice
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[托福阅读TPO] 托福阅读TPO4(试题+答案+译文)第2篇:Cave Art in Europe
The earliest discovered traces of art arebeads and carvings, and then paintings, from sites dating back to the UpperPaleolithic period. We might expect that early artistic efforts would be crude,but..2014-08-08 编辑：alice
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[托福阅读TPO] 托福阅读TPO15(试题+答案+译文)第3篇:Glacier Formation冰川形成
Glaciers are slowly moving masses of ice that have accumulated on land in areas where more snowfalls during a year than melts.2014-09-11 编辑：alice
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[托福阅读TPO] 托福阅读TPO15(试题+答案+译文)第2篇:Mass Extinctions物种灭绝
【1】Cases in which many species become extinct within a geologically short interval of time are called mass extinctions.2014-09-10 编辑：alice
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[托福阅读TPO] 托福阅读TPO15(试题+答案+译文)第1篇:A Warm-Blooded Turtle
【1】When it comes to physiology, the leatherback turtle is, in some ways, more like a reptilian whale than a turtle.2014-09-09 编辑：alice
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[托福阅读TPO] 托福阅读TPO14(试题+答案+译文)第3篇:Pastoralism in Ancient
【1】Pastoralism is a lifestyle in which economic activity is based primarily on livestock. Archaeological evidence suggests that by 3000 B.C.2014-09-08 编辑：alice
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[托福阅读TPO] 托福阅读TPO14(试题+答案+译文)第2篇:Maya Water Problems
【1】To understand the ancient Mayan people who lived in the area that is today southern Mexico and Central America and the ecological difficulties they faced, one must first consider their environment2014-09-07 编辑：alice
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[托福阅读TPO] 托福阅读TPO14(试题+答案+译文)第1篇:Children and Advertisi
【1】Young children are trusting of commercial advertisements in the media, and advertisers have sometimes been accused of taking advantage of this trusting outlook.2014-09-06 编辑：alice
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[托福阅读TPO] 托福阅读TPO13(试题+答案+译文)第3篇:Methods of Studying In
In the study of perceptual abilities of infants, a number of techniques are used to determine infants' responses to various stimuli. Because they cannot verbalize or fill out questionnaires2014-09-05 编辑：alice
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[托福阅读TPO] 托福阅读TPO13(试题+答案+译文)第2篇:Biological Clocks
Survival and successful reproduction usually require the activities of animals to be coordinated with predictable events around them.2014-09-04 编辑：alice
