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optimum
['ɑptəməm] adj. 最适宜的 n. 最佳效果；最适宜条件
tive
[ɪ'mædʒɪnətɪv] adj. 虚构的；富于想像的； 有创造力的
Try to do some physical activity three times a week for 4 optimum health. 试着每星期锻炼身体3次， 以达到最佳的健康状态。
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4. Should we teach what we don’t know?
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The things unknown are educational experiences that no college student should be allowed to miss. Teach like that can stimulate students’ interests for learning, also, students can improve their abilities of career performance, and analytical and problem solving abilities which are thought of the most important spirits in science.
The house is decorated imaginatively and attractively. 这个房子被装饰得很有想像 力和吸引力。
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词 组
李丛丛
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move ahead
前进；进行；进展
plug away
坚持不懈；顽强地致力于
I was finally able to give it up and move ahead. 我终于能够彻底地放弃它， 继续向前迈进。 4
Part 1
Part 2
Part 3
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单 词
杨东星
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subside
[səb'saɪd] vi. 平息；减弱；沉淀； 坐下 The pain had subsided during the night. 那疼痛在晚间已减轻了。 4
glimpse
[ɡlɪmps] n. 一瞥，一看 vi. 瞥见 vt. 瞥见 She glimpsed a group of people standing on the bank of a river. 她瞥见一群人站在河岸上
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fashion
['fæʃən] n. 时尚；时装；样式； vt. 使用；改变； 做成…的形状 That sort of house is back in fashion. 4 那种房子又时兴起来了。
exhibit
[ɪɡ'zɪbɪt] vt. 展览；显示；提出 n. 展览品；证据；展示会 vi. 展出；开展览会 Five large pieces of the wall are currently on exhibition. 那 堵墙的五块大碎片目前在展 览。
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ambiguous
[æm'bɪɡjuəs] adj. 模糊不清的； 引起歧义的 This agreement is very ambiguous and open to various interpretations. 4 这个协议非常模棱两可， 可以有多种解释。
adverse
['ædvɝs] adj. 不利的；相反的； 敌对的 Price changes must not adversely affect the living standards of the people. 价格变化一定不能负面地影 响人们的生活水平。
本组成员： 裴瑶 施福贵 杨东星 李丛丛 尚聪
Warm-up Questions
1.Is there room for disagreement in science?
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I think there must be disagreement in science. If a so-called truth isn’t demonstrated by experiment, then it won’t be really truth. We are obliged to grow up in skepticism, requiring proofs for every assertion about nature. Disagreement can stimulate us to search for the answers and ultimately lead to human’s progress.
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Parts
Main Ideas
We humanbeings had realized the ignorance of themselves,and we can still make up stories to explain the world by scientific. Take a phenomenon in entomology for examlpe,to explain the admission of ignorance that leads to progress.
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readily
['rɛdɪli] adv. 容易地；乐意地； 无困难地 I asked her if she would allow me to interview her, and she readily agreed. 4 我问她是否允许我采访她， 她欣然同意了。
genuine
['dʒɛnjʊɪn] adj. 真实的，真正的； 诚恳的 If this offer is genuine, I will gladly accept it. 如果这份帮助是真诚的，我 将愉快地接受它。
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Introduction about the Author

LewisThomas(1913_December3,1993):American physician,etymologist,essayist,educator,and researcher.Born in Flushing,New York,he attended Princeton University and Harvard Medical School.He became Dean of Yale Medical School and New York University School of Medicine,and President of Memorial Sloan-Kettering Cancer Center in New York.In 1974 he won the National Book Award for his collection of essays,The Lives a Cell:Notes of a Biology Watcher.
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3. Is our behavior mainly shaped by our genes or by our environment?
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One group of highly intelligent, beautifully trained, knowledgeable, and imaginative scientists maintaining that all behavior, animal and human, is governed exclusively by genes, and another group of equally talented scientists asserting that all behavior is set and determined by the environment or by culture. There is not a certain answer yet, but one thing is certain that we can learn quite a lot in the debate.
Through account for the problem of animal awareness,to state that students should be exposed very early to the big arguments currently going on among scientists.
I'm thinking about jewelry or something valuable and won't be out of fashion. 我想给她买点珠宝或其它值 钱的不过时的东西.
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explain away
通过解释消除
at the outset
起初，开始
He evaded her questions about the war and tried to explain away the atrocities. 他回避了 她关于战争的提问，试图为 4 其暴行辩解。
Each day we plug away at our jobs and in return we receive a paycheck. 每天努力工作，作为回报我 们获得薪水。
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at close quarters
逼近的，接近地
out of fashion
过时的，不流行的
She doesn't live in a remote place, but often appears at close quarters. 她不是那么遥不可及，并且 4 时常近在咫尺。