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本聽力材料來自于老托partb，partc，是公認實施有效的聽寫材料，對于上手托福時間不長的同學非常適合。我曾經一次短時間備考聽力提高了7分也歸功老托。希望大家和我一樣一定要堅持下來噢。相信堅持學習的同學聽力上都會有很大的飛躍！
Nopain, no gain.我們的安排是這樣的，第一遍用聽力軟件精聽材料（建議做單句聽寫，聽寫的時候不要偷看我給的挖空題），然后按照我給的挖空題填關鍵詞，回復后即可看到聽力原文和文章精解，我將把難點和易錯點oneby one 分析給大家。
回復填空答案格式如下：1____2____3____...et.al.
To us, the environment in which fish dwell often seems cold, dark, and mysterious. But there are advantages to living in water, and they have played an important role in making fish what they are. One is that water isn't_____to sudden temperature changes. Therefore it makes an excellent habitat for a_______animal. Another advantage is the water's ability to easily support body weight.________has________the same density as water, so a fish in water is almost______. This "weightlessness" in turn means two things: One, a fish can get along with a light weight and simple bone structure, and two,_______to a fish's size are practically removed. Yet there is one basic difficulty to living in water—the fact that it's______. For a fish to move through water, it must actually_______it aside. Most can do this by_______back and forth in_____motion. The fish pushes water aside by the forward motion of its head, and with the curve of its body and its flexible tail. Next, the water flows back along the fish's narrowing sides, closing in at the tail, and helping the fish_____itself forward. The fact that water is incompressible has______shaped the development of fish. A flat and______shape can be moved through water only with difficulty. And for this reason, fish have a basic shape that is beautifully adapted to deal with this_______.
