What does hydro energy use to generate electricity? A. The power of wind. B. The power of sunlight. C. The power of flowing water. D. The power of fossil fuels. 相关知识点: 试题来源: 解析 C。中文解析:水能利用流动水的力量发电。A 选项风能错误;B 选项太阳光错误;D 选项化石燃料错误。
【解析】A make 制造;B cause 造成,引起;C lead 带领,引领;D catch 抓住。“The use of electricity”的意思是“电的使用”,“air pollution”的意思是“空气污染”,根据四个选项中动词的意思,可知选项B的“cause”符合语境,即电的使用不造成污染。 选B。反馈 收藏 ...
根据文章第一段第二句内容“Now, the Ocean Renewable Power Company, or ORPC, is using the force of flowing rivers and ocean currents.(现在,海洋可再生能源公司(ORPC)正在利用流动河流和洋流的力量。)”可知,ORPC公司利用流动的河流的动力产生能量。故选C项。【小题2】主旨大意题。根据文章第三段第一句...
our life would be less convenient and less enjoyable. So we must try our best to save it. (Written by Feifan from Class 1, Grade 7)Electricity is a form. of energy that is used to provide light. We use electricity to cook food and give power for the electricity appliances...
Fridges,washing machines and rice cookers can't work withoutelectricity. Electricity is so useful, but where does itcome from? Most of the electricity we use comes frompower stations. Power stations all over the country makeelectricity every day. ...
Size or capacity (tonnage);primary factor.The bigger the heat pump, the more power it will need to run.Example:4-ton heat pump will use more electricity than a 2-ton unit. Cooling energy efficiency (SEER rating);primary factor for cooling.The more efficient the heat pump, the fewer watts...
W: Yes. Electricity plays an important role in our daily life.M: Do you know how to save electricity?W: No.M: There are many ways in our daily life to save electricity. For example, turn off the useless lights in the house, and unplug the TV.W: Do they really work?M: Sure.W:...
A、Lifts are banned in local commercial sites. B、Every local family gets their power allowance. C、Local commercial sites are limited to use air-conditioners. D、The government offices are required to recycle energy waste. 点击查看答案
A. Solar energy B. Electricity C. Petrol D. Wind E. nergy 相关知识点: 试题来源: 解析 C。汽车通常使用汽油作为能源。选项 A 太阳能一般用于太阳能汽车,目前并不普遍。选项 B 电力通常是电动汽车使用,不是一般汽车常用能源。选项 D 风能一般不用于汽车。反馈...
If you want to better understand how much energy your fans are using, there are some formulas you can use. You can get your answer by multiplying the watts used by the hours it is in use. The electricity usage of a fan depends on its wattage and electricity costs in your area. Fans...