朗文 外研社 新概念4册 第19课 教案_新概念第三册19课教案
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It is fairly clear that sleeping period must have some function, and because there is so much of it the function would seem to be important.很清楚，睡眠必然具有某种作用。睡眠占去那么多时间，所以其作用似乎还是很重要。Speculations about is nature have been going on for literally thousands of years, and one odd finding that makes the problem puzzling is that it looks very much as if sleeping is not simply a matter of giving the body a rest.人们对睡眠作用的种种猜测，确实有数千年之久。一项使人对这个问题感到困惑的奇怪的发现是，睡眠在很大程度似乎并不仅仅是为了使身体得到休息。
• speculation n.推测 speculate , predict;speculation: without a complete knowledge • predict: based on solid foundation.• speculate about/on sth.in stocks/ speculator I can predict in the near future there will be new type of mobile phone that is visible mobile phone.• literally ad.确实 literal / literature / literate / illiterate / illiteracy literal translation 直译法 free translation word to word 逐字翻译法 The children are literally hungry.孩子们真的饿了。
• odd a.奇特的 eccentricity / eccentric, oddity / eccentricity , odd month 大月
leap month 闰月 /even month 小 • bizarre/ weird / outlandish 怪
• dream telling / dream teller / fortune teller / palm reader • 'Rest', in terms of muscle relaxation and so on, can be achieved by a brief period lying, or even sitting down.• “休息”，从使肌肉得到放松等方面来看，只要稍微躺一躺，甚至坐一坐就能达到。
• 1.in terms of … 就…而言 In terms of our family, we would like to go on an outing.• 2.As for … with regard to,/regarding in respect of / as for • 3.overthrow our former hypothesis 推翻了我们以前的论点 • 4.a brief period doing…稍微 • The body's tiues are self-repairing and self-restoring to a degree, and function best when more or le continuously active.• 人体组织在一定程度上有自我修补和自我恢复的能力，有张有弛地连续活动时，其功能最佳。
• 1.tiue n.组织（纤维，神经，肌肉…组织）face tiue 面巾纸 • 2.to a degree : to some extent / in a sense • 3.when more or le continuously active.省略了主语 tiues 和谓语 are.如果出现 when / if / though 句型做状语从句，而主句的主，谓语与从句主，谓语相同，则从句的主，谓语可以省略。I got to the school though(I was)late.• In fact a basic amount of movement occurs during sleep which is specifically concerned with preventing muscle inactivity.• 事实上，睡眠状态下仍有着基本的活动量，以防止肌肉活动停止。• 1.be concerned with : be about • 2.be concerned about • If it is not a question of resting the body, then perhaps it is the brain that needs resting? • 如果睡眠的功能不是在于使身体得到休息，那么也许是让大脑得以休息？ This might be a plausible hypothesis were it not for two factors.若不是下面两点，这种假使似乎是有道理的。
• plausible n.似乎有理的；区别 reasonable.What you said is reasonable.I will accept it.What you said is plausible, but it is not very practical nowadays.convincing / persuasive • hypothesis n.假说 thesis / theory , hypo/ hypotension 低血压，hypocritical，hypocrite 伪君子 hypertension 高血压，hypercritical/picky/finicky 太挑剔 hypersensitive 过敏
I am hypersensitive to beef / alcohol.• might be 表示虚拟语气 were it not = if it were not • but for 若不是
If it were not for his timely help, I would not survive.But for his timely help, I would not survive.First the electroencephalograph(which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp)shows that while there is a change in the pattern of activity during sleep, there is no evidence that the total amount of activity is any le.第一点，脑电图记录仪（不过是一种把电极接到头皮上记录脑电活动的仪器）显示，人在睡眠时大脑活动的方式有变化，但没有迹象表明，其活动总量有任何减少。1.electroencephalograph n.脑电图仪 electrode n.电极 lightning rod 避雷针 2.scalp n.头皮 skull 头颅，have the scalp of sb.取胜某人 3.lie flat / lie on one's side / lie on stomach Some years ago an American psychiatrist named William Dement published experiments dealing with the recording of eye-movements during sleep.前些年，美国一位精神病学者发表了一篇报告，报告中记录了眼球在睡眠时的活动情况。
1.psychiatrist n.精神病学家 psychology 2.dealing with : be concerned with He showed that the average individual's sleep cycle is punctuated with peculiar bursts of eye-movements, some drifting and slow, others jerky and rapid.他指出，平常人的睡眠周期中不时伴有一阵阵奇怪的眼球队活动，这些活动有的飘忽而缓慢，有的急剧而快速。
1.punctuate vt.不时介入 punctuate the paage 给段落加注标点，punctuation 标点符号 He punctuates in our talk.punctual / on the dot / in good time / puncture/ acupuncture 2.butt in 插句话
3.jerky a.急动的 jerk 烦/bore / trial / nuisance If one group of people were disturbed from their eye-movement sleep for several nights on end, and another group were disturbed for an equal period of time but when they were no exhibiting eye-movements, the first group began to show some personality disorders while the others seemed more or le unaffected.如果有两组人，一组人连续几夜在眼球活动时被叫醒；另一组人也是连续几夜被叫醒，但是在眼球没活动时被叫醒的。结果，第一组人开始出现性格失常，而第二组人似乎没受什么影响。
1.on end 连续不断地 I have been learning English for a month on end.It has been raining for three days on end.2.exhibiting : showing The implications of all this were that it was not the disturbance of sleep that mattered, but the disturbance of dreaming.这一切暗示我们：睡眠受到干忧没关系，而做梦受到干忧是有问题的。1.implication n.表明 imply , What does the second speaker imply ? You said it./ You can say it again.2.explicate(反）
