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Reading 3 MIT and the Spirit of Leonardo da Vinci (Part II) By MIT President Susan Hockfield A The second aspect of da Vinci's character that agrees with MIT is his respect for and fascination with nature, both as a scientist and as an engineer. As he wrote in his notebooks, "Human ingenuity ... will never devise any inventions more beautiful, nor more simple, nor more to the purpose than Nature does, because in her inventions nothing is wanting, and nothing is unnecessary. B Contemporary society has a way of separating us from Nature in our daily lives, but here at MIT, you will find a great many engineers and scientists who treat Nature as their prime collaborator. For da Vinci, the simplicity he appreciated in nature became his ultimate standard in design. And as you'll discover here, from robotics to aeronautics, computer science to mechanical engineering, simplicity in design is also “very MIT." In fact, Amy Smith, in the Department of Mechanical Engineering, recently published seven rules that guide her work in designing technologies for communities in the developing world. Her third rule quotes da Vinci himself: “Simplicity is the ultimate sophistication." C The third quality of da Vinci's character that informs our work at MIT is an enthusiastic demand for hands-on making, designing, practicing and testing, and for solving problems in the real world. His fascination for tacking practical problems echoes the central mission of MIT: to bring "knowledge to bear on the world's great challenges, an assignment that MIT has pursued with remarkable results, from developing radar during World War II, to developing standards for the World Wide Web today. Da Vinci even taught the students in his workshop to follow the principle of demonstration— the same commitment to learning-by-doing that will define your MIT education. As he wrote, “I have been impressed with the urgency of doing. Knowing is not enough; we must apply." D Five hundred years after da Vinci first taught all these lessons—with his multidisciplinary curiosity, his admiration for nature's economy of design and his enthusiastic passion for solving problems—he remains a fascinating teacher. You will also encounter a great many extraordinary teachers at MIT, perhaps the most stimulating minds and inspiring role models you'll ever know. E Now we get the advice part of the speech. If I can succeed in conveying only one piece of wisdom today, it is this: the students who get the most out of their MIT education have come to know well at least one member of the faculty. I urge you to make that one of your goals for your time at MIT; perhaps you'll make it a goal of your freshman year. Some of you may find it surprising that this is a very easy assignment: you will meet faculty who teach your classes, and I encourage you to accept their invitation to talk with them in office hours; I also hope each of you will participate in “ UROP" , our Undergraduate Research Opportunities Program, that offers the opportunity to engage in cutting-edge research with faculty. You will discover countless other opportunities, inside and outside of classes, to meet with faculty. F Over the next four years, you and your classmates will also teach one another. There is a good chance that you will never again live and work in a community with as many different cultures and backgrounds as MIT. You will share your MIT experience with classmates who don't look or talk or think like you, which will prepare you well for the global collaborations inevitable in your careers. What's more, you don't have to look very hard for new intellectual adventures here. You can take a hands-on summer internship in a foreign country through the program we call MISTI (MIT International Science and Technology Initiative). You can hear the Boston Symphony Orchestra or visit the Museum of Fine Arts, with free tickets from our Office for the Arts. And you can travel, or sample classes or activities you' ve never done before, during the Independent Activities Period, or IAP, in January. Be as determined in your curiosity as Leonardo da Vinci and you will use your time at MIT to its fullest potential. G You are starting your college careers at an uncertain time, for this country and for the world. But even so—especially so —I believe you will find MIT an inspiring place to study, to learn and to grow. MIT is a place of practical optimism and of passionate engagement with the most important problems of the world. It is a place that is not satisfied until it finds the deepest answers. H So let me close with one last word of wisdom from da Vinci. As he wrote, “I had long since observed that people of accomplishment rarely sat back and let things happen to them. They went out and happened to things." That is the story of MIT, and it is a formula for inventing the future. I We are delighted that you have joined us here to help write the next chapter in the history of human understanding. Now, go out and happen to things! (832 words) Skim the following article (Reading 3) and answer the questions below. 2) What are the three aspects of Leonardo da Vinci's character that particularly ft with the values of MIT?
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【单选题】化学性污染是指环境中有毒、有害化学物质对食品的污染,不包括下列哪项污染()
A.
工业三废造成的重金属污染
B.
食品生产、加工和烹调过程中形成有害化学物如N-亚硝基化合物
C.
溶血性弧菌、沙门氏菌等微生物
D.
多环芳烃类化合物、杂环胺等
E.
人为使用的农药、化肥和兽药的残留
【单选题】下列哪项是化学性废物
A.
废弃的免疫抑制剂
B.
废弃的化学消毒剂
C.
废弃的疫苗
D.
废弃的血液制品
【单选题】进行串联超前校正后,校正前的幅值穿越频率ωc与校正后的幅值穿越频率ωc1的关系,通常是( )
A.
ω c = ω c 1
B.
ω c > ω c 1
C.
ω c ω c 1
D.
ω c 与 ω c 1 无关
【单选题】下列哪项是化学性废物
A.
废弃的汞体温计
B.
废弃的疫苗
C.
废弃的玻璃安瓿
D.
废弃的癌性药物
【单选题】下列哪项不是甲工厂为防止排出不符合排放标准的废水的控制系统的组成部分?()
A.
定期用大量净水冲洗污水槽和地面排水管,以确保污染物质被充分地稀释。
B.
通过制定政策、培训和设置提示标记详细说明哪些物质可以经工厂内的污水槽和地面排水管处理。
C.
在排放前,对许可证中所指明的废水成分进行化学分析。
D.
制定一个预防性的维修方案来保证工厂的处理系统是完善的。
【判断题】Livestock is only used for providing meat.
A.
正确
B.
错误
【单选题】下列哪项物质是易被人们忽视的化学性因素
A.
氧气
B.
氮气
C.
废气
D.
水银
E.
消毒剂
【单选题】History is ( ) a subject that only lets us know something in history it also tells us a lot of truth.
A.
less than
B.
more than
C.
no more than
D.
not more than
【简答题】效率可以用哪些形式表示
【单选题】下列哪一项不是处理工业废水中的溶解性物质时常用的物理化学法
A.
吸附
B.
萃取
C.
离子交换
D.
电渗析
E.
沉淀法
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