A unit of energy absorbed from ionizing radiation, equal to100 ergs per gram or0. 01 joule per kilogram of irradiated material. 拉德电离辐射吸收的能量的单位,等于受照射物质每克100格或每千克0。 dictsearch.appspot.com 10. What is the
1. talk about the cartoon picture on p49. 2. discuss some things about electricity. step2. pre-reading preparation 1. let the students discuss in group, then answering the following questions. what does electricity look like? how can we know there is electricity. what can we do with electr...
Unit3Electricity中译英Unit 3 Electricity 我的能量来自于食物。 My energy comes from food. 我的能量来自于电。 My energy comes from electricity. 把电能转换成不同种类的能量 change electricity into different kinds of energy 热能 heat energy 动能 moving energy 光能 light energy 声能 sound energy 仆人...
Electric vehicles were developed in the 1990s. On April 11, 2010, a new kind of vehicle named “Yezi” was shown in the 2010 Shanghai World Expo. It produces electricity from the sun, the wind and CO2.It can n...
1.energyn.能量;活力;精力—energetica.精力充沛的 e.g. He is full of energy. =He is energetic. 2.electricityn.电—electrica.电的;用电的—electrical关于电的—electronica.电子的 ---electriciann.电工;电器技师 e.g. Electricity is very important to us.电对我们很重要。 每一件电器名称都用electr...
energy problem. With China's rapid economic growth and continuously expanding urban population, the demand for energy is increasing tremendously. The present energy supply can hardly meet the demand from both industry and households, especia...
Where does the boy's energy come from? It comes from food. What about the robot? Its energy comes from electricity. What is energy? It gives power to make people or things work. 2.Brainstorming In our daily lives,what kinds of things needs electricity? 3.What do you know about...?
Electricity Electricity is very dangerous.(1), it is also very(2)in a way. We(3)see electricity, but we can(4)it into different(5)of energy,〔6〕movement energy, heat energy, sound energy,light energy and so(7). Electricity is a very great(8). It changes our lives.(9)it, our...
Richard:Most inventions start with recognising a problem that needs a solution. This was no doubt the reason behind the invention of the wheel in ancient times, which much later developed into the car. Now, reduced energy supplies and...
slifemoreconvenient.2.YoucanseemeintheFamilyMart.3.Icanturnfrozenfoodintohotfood.WhatamI?microwaveoven Clues:1.Iamafriendofclothes.2.Icanhaveahightemperature.3.Peopleusemetomakeclothessmooth.WhatamI?1.Whatcommonpointsarethereamongthem?Theyalluseelectricity.2.Electricityisakindof……?A.toolB.energy ...