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提问人：网友hhlang
发布时间：2022-01-07
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Le directeur est content de notre travail ？ → _______________________________
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更多“Le directeur est content de notre travail ？ → _______________________________”相关的问题
第2题
It has been demonstrated through experiments that often when a native speaker mishears something, it is because the foreigner has put the stress on the wrong place, not because he or she has mispronounced the sound of the word.
第3题
请根据短文内容，回答题。
Inventor of LED
When Nick Holonyak set out to create a new kind of visible lighting using semiconductor alloys, his colleagues thought he was unrealistic. Today, his discovery of light-emitting diodes, or LEDs, are used in everything from DVDs to alarm clocks to airports. Dozens of his students have continued his work, developing lighting used in traffic lights and other everyday technology.
On April 23,2004, Holonyak received the $500,000 Lemelson-MIT Prize at a ceremony in Washington. This marks the 10th year that the Lemelson-MIT Program at the Massachusetts Institute of Technology (MIT) has given the award to prominent inventors.
"Anytime you get an award, big or little, it&39;s always a surprise," Holonyak said.
Holonyak,75, was a student of John Bardeen, an inventor of the transistor, in the early 1950s.
After graduate school, Holonyak worked at Bell Labs. He later went to General Electric, where he invented a switch now widely used in house dimmer switches.
Later, Holonyak started looking into how semiconductors could be used to generate light. But while his colleagues were looking at how to generate invisible light, he wanted to generate visible light. The LEDs he invented in 1962 now last about 10 times longer than incandescent bulbs, and are more environmentally friendly and cost effective.
Holonyak, now a professor of electrical and computer engineering and physics at the University of Illinois, said he suspected that LEDs would become as commonplace as they are today, but didn&39;t realize how many uses they would have.
"You don&39;t know in the beginning. You think you&39;re doing something important, you think it&39;s worth doing, but you really can&39;t tell what the big payoff is going to be, and when, and how. You just don&39;t know," he said.
The Lemelson-MIT Program also recognized Edith Flanigen,75, with the $100,000 Lemelson-MIT Lifetime Achievement Award for her work on a new generation of "molecular sieves". That can separate molecules by size.
Holonyak‘s colleagues thought he would fail in his research on LEDs at the time when he started it. 查看材料
A.Right
B.Wrong
C.Not mentioned
第4题
the next biggest beneficiaries in the iPad and iPhone supply chains are Korean companies.
第5题
A Daniel le pareció raro que nadie lo ___________ cuando entró en la oficina.
A、saludar
B、saludara
C、saludó
D、saludaba
第6题
下列选项中，读音不是全部都包含[u]音的一项是：
A、joujou, bonjour, vous
B、choux, goût, bouge
C、tous, mouette, clou
D、toujours, four, pouce
第7题
【单选题】What do you ____________(推荐) for main course?
A、recommend
B、recommand
C、recomend
D、recomand
第8题
The potency of Extended Insulin Zinc Suspension is based on the sum of its insulin and desamido insulin components, is from 95.0 percent to 105.0 percent of the potency stated on the label, expressed in USP Insulin Units per ml.
