Wind energy is a clean and renewable energy source. What measure can be taken to improve the power generation efficiency of wind turbines? A. Reducing the height of wind turbines B. Using smaller blades C. Installing wind turbines in areas with low - speed wind D. Regular maintenance and ...
Wind energy is an important renewable energy. One of its main uses in environmental protection is ___. A. making the air dirtier B. powering electric devices C. killing wild animals D. polluting water 相关知识点: 试题来源: 解析 B。解析:风能是重要的可再生能源,它在环境保护中的一个主要用途...
A. Solar power B. Wind power C. Coal D. Hydro power 相关知识点: 试题来源: 解析 C。可再生能源是可以不断再生的能源。太阳能(Solar power)、风能(Wind power)和水能(Hydro power)都是可再生能源,而煤炭(Coal)是不可再生能源。反馈 收藏
Wind energy is renewable because ___. A. it never runs out B. it is expensive C. it is dirty D. it is only available in some places 相关知识点: 试题来源: 解析 A。风能是可再生的因为它永远不会用完。expensive 是昂贵的,与可再生无关;dirty 是脏的,不符;only available in some places...
Wind power is a kind of renewable energy. For thousands of years, people sailed by the wind and used windmills to irrigate crops, but today we usually use wind to make electricity. Wind power is a popular source of energy. First of all, it’s clean enough and is environment-friendly. ...
A. renew B. renewable C. renewed D. renewing 相关知识点: 试题来源: 解析 B。“renew”是动词,“更新;续借”;“renewable”是形容词,“可再生的”;“renewed”是形容词,“更新的;复兴的”;“renewing”是动词的现在分词形式。此处需要形容词修饰“energy source”,“renewable”符合,意为“可再生的能源”...
A. 可再生能源 B. 新能源 C. 不可再生能源 D. 传统能源 相关知识点: 试题来源: 解析 A。“Renewable energy sources”是“可再生能源”;B 选项“新能源”通常用“new energy”;C 选项“不可再生能源”是“non-renewable energy”;D 选项“传统能源”是“traditional energy”。反馈...
A选项太阳能(solar energy)是可再生能源,它来自太阳的辐射能,是取之不尽用之不竭的。B选项风能(wind energy)也是可再生能源,风是自然现象不断产生的。C选项煤炭(coal)属于不可再生能源,它是经过漫长的地质年代形成的,储量有限,开采使用后不能在短时间内再生。D选项水电能(hydroelectric power)是利用水流能量转化...
(可再生的) energy to meet our needs."可知,人们在 搜索干净的和可再生的能源来满足他们的需求。 故选D。 2.C 【解析】根据“The first advantage of wind energy is that it truly is a renewable resource. "; “Second, wind energy is a clean source of energy, which means it produces ...
Renewable energy sources, such as solar and wind power, are considered more environmentally friendly because they produce little or no ___. A. emissions B. resources C. fuels D. machines 相关知识点: 试题来源: 解析 A。解析:本题考查名词词义辨析以及能源与环境的关系。emissions在这里表示“排放物...