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本聽力材料來(lái)自于老托partb，partc，是公認(rèn)實(shí)施有效的聽寫材料，對(duì)于上手托福時(shí)間不長(zhǎng)的同學(xué)非常適合。我曾經(jīng)一次短時(shí)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(jiān)持下來(lái)噢。相信堅(jiān)持學(xué)習(xí)的同學(xué)聽力上都會(huì)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(shí)候不要偷看我給的挖空題），然后按照我給的挖空題填關(guān)鍵詞，回復(fù)后即可看到聽力原文和文章精解，我將把難點(diǎn)和易錯(cuò)點(diǎn)oneby one 分析給大家。
回復(fù)填空答案格式如下：1____2____3____...et.al.
Did you ever wonder why it is that most people are "______" to sleep at night instead of during the day? If there's something about the cycle of light and dark that's telling us when to sleep, then shouldn't the sleep cycle of a blind person be different? As it turns out, many blind people—people with no visual perception of light at all—do have the same sleep cycle as______people. So now you're wondering, "How can this happen?" The answer is:______, one hormone in particular. It's called______. In sighted people, the level of melatonin goes up at night, or when it's dark, and goes down in the day, or when it's light. It's believed that it's the presence of this hormone in the blood that gives us the______to sleep. If an increase in melatonin level "programs" sighted people to sleep at night, then what about blind people? A researcher, named Dr. Charles Czeisler, tells about an interesting experiment. He tried shining a bright light into the eyes of some blind people. When he did this, he noticed that the level of the melatonin in the blood of these subjects went down just as it would do for sighted people. Somehow, the eyes of these subjects, even though they were damaged and had no visual perception of light, could tell their brain when there was more or less light. Now, this doesn't work for all blind people; in fact, most of Czeisler's subjects had no______response to light at all. Further research may be able to explain this sensitivity to light______the type of blindness of the subject.
