Ⅱ.七选五A calorie is a unit of energy. The calories you see onnutrition labels, however, are actually kilocalories. 1One kilocalorie is the amount of energy required to heat 1kilogram of water by 1 degree Celsius. Calories in our foodall come from one of the three nutrients: fat,...
①主干:more heat energy is trapped in the atmosphere and causes Earth’s surface temperature to rise quickly. ② When people produce huge amounts of … fossil fuels 时间状语从句 词块积累: huge amounts of … 大量的…… be trapp...
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解析 C。解析:给建筑物做隔热可以提高能源效率。A 选项一直开着灯会浪费能源;B 选项使用旧的、低效的电器也浪费能源;D 选项开快车会增加油耗。涉及词汇有 energy efficiency(能源效率)、insulate(隔热)、appliances(电器)等,语法点无特别明显的。反馈 收藏 ...
轮机英语题库翻译.pdf,第一章 船舶动力装置 0001 Before disconnecting the Oil pipe , would y lu ipe ? ” asked the oil barge owner. 0001 B ou f sh th a ned in the p e oil ret i y n A. b usi g o fres f h water (用淡水) wi pres 缩气 B. th com sed air (
We briefly discuss weaknesses and issues relevant to the use of the unit cost index as an indicator of increasing scarcity.doi:10.1016/0360-5442(88)90022-9Darwin C. HallJane V. HallDavid X. KolkElsevier LtdEnergyEnergy in the unit cost index to measure scarcity. Hall, D. C,,Hall, J. ...
Kinetic energy differs from chemical energy in that What SI unit is used to measure mechanical energy? What is the difference between kinetic energy (KE) and potential energy (PE)? Is kinetic energy a state function? How are potential energy, kinetic energy, and total energy related?
In science the word energy refers to the capacity of a system or to do work. Work in this context refers to the ability to change. Answer and Explanation: There are several units that can be used to measure energy. Some units are more commonly used in certain contexts than others. For ...
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