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历年真题托福TPO语法真题笔记汇总
摘要： 历年真题托福TPO语法真题笔记汇总了1989到2015年以来所有托福真题考过的TPO语法，语法使我们攻破托福阅读的关键一步，有关托福语法的书也有不少，但是没有一本书像这次给出的笔记一样有针对性，希望这本书对你的托福阅读会有一定的帮助。
现在 托福 阅读考试不再有单项的语法知识考点了，但是大家千万不要被这样的情况蒙蔽了双眼，因为在新 托福考试 中，有关语法的知识点只是融入到了 托福阅读 中，掌握了历年真题托福TPO语法真题笔记的相关知识，对我们托福阅读成绩的提高非常有帮助。
历年真题托福TPO语法真题:部分内容DEER POPULATIONS OF THE PUGET SOUND (TPO4)
Two species of deer have been prevalent in the Puget Sound area of Washington State in the Pacific Northwest of the United States. The black-tailed deer, lowland, west-side cousin of the mule deer of eastern Washington, is now the most common. The other species, the Columbian white-tailed deer, in earlier times was common in the open prairie country, it is now restricted to the low, marshy islands and flood plains along the lower Columbia River.
Nearly any kind of plant of the forest understory can be part of a deer's diet. Where the forest inhibits the growth of grass and other meadow plants, the black-tailed deer browses on huckleberry, salal, dogwood, and almost any other shrub or herb. But this is fair-weather feeding.
What keeps the black-tailed deer alive in the harsher seasons of plant decay and dormancy? One compensation for not hibernating is the built-in urge to migrate. Deer may move from high-elevation browse areas in summer down to the l