Light Energy Diode D. Light E. nergy Device 相关知识点: 试题来源: 解析 A。“LED”是“Light Emitting Diode”的缩写,意思是发光二极管。选项 B“Light Emitting Device”是发光设备;选项 C“Light Energy Diode”是光能二极管;选项 D“Light Energy Device”是光能设备。反馈 收藏 ...
解析 答案C 解析 考查句式。 as is well known众所周知,故A.B错误。 根据翻译:众所周知,就像热一样,光也是一种能量。 语序可为: As is well known, just like heat, light is a form of energy。本题将 as is well know插入 just like heat中,故应选C ...
What is the energy of light with a wavelength of 662 nm? A.) What is the energy range (in joules) of photons of wavelength 390 nm to 740 nm? B.) What is the energy range (in eV) of photons of wavelength 390 nm to 740 nm? A) What is the...
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Stressisastateofmentaloremotionalfatigue(疲劳). 2 Thisisthereasonwhywefailto rememberorlearnnewthingswhenwearementallystressed.Topreventstress-relatedlossof memoryandlearningability,onehastofindthefactorsthatincreasestressandanxietyanddeal withthem. Ifyouexerciseonaregularbasis,yourbodywillbecomestrongerovertime....
1.Light is a kind of energy you can feel.2.Light moves in a straight line.3.Light can't move around things that get in its way.4.If something moves around the light,it makes a shadow.5.When the light hits the things and it bounces off them,you can see thethings.选择最佳答案。1...
The sun, _undoubtedly_, is the source of light and heat. What other sources of energy are there? A. undoubtedly B. in addition C. by accident D. at present 相关知识点: 试题来源: 解析 A。“undoubtedly”插入语表示毫无疑问,太阳毫无疑问是光和热的来源。“in addition”此外;“by accident”...
The main purpose of the light reaction is to generate ATP and reduce power known as NADPH. The energy of light that is captured by pigment molecules...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
Energy is___makes things work,and it can be changed into heat or light or used to drive machinery.A.that B.all C.what D.which 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 C.what 这是what引导的表语从句 这个句子缺表语,所以是表语从句,what在从句中做主语所以不能省略...
Now, light fills the skies over our cities. This is called light ___44___. Because of it, people in cities can often only see about ten ___45___! Most of the time, light helps us. We can ___46___ because of it. It gives plants energy. But light isn’t always ___47__...