A. dirty and unsustainable B. expensive and difficult to use C. clean and sustainable D. limited and unreliable 相关知识点: 试题来源: 解析 C。解析:文章中提到“One solution is to increase the use of renewable energy sources such as solar and wind power. These sources are clean and sustaina...
Renewable energy sources are ___. A. finite and non-renewable B. scarce and expensive C. abundant and environmentally friendly D. difficult to develop and use 相关知识点: 试题来源: 解析 C。中文解析:可再生能源是丰富且环保的,而不是有限且不可再生的、稀缺且昂贵的或难以开发和使用的。反馈 收...
A. They are expensive. B. They produce harmful emissions. C. They are clean and do not produce harmful emissions. D. They are only available in certain areas. 相关知识点: 试题来源: 解析 C。中文解析:可再生能源的主要优势之一就是清洁,不会产生有害排放物或污染物。A 选项说它们昂贵,与文章中...
Renewable energy sources are ___. A. dirty and unsustainable B. clean and sustainable C. expensive and difficult to develop D. only available in certain areas 相关知识点: 试题来源: 解析 B。解析:文章中提到可再生能源如太阳能、风能和水能是清洁和可持续的。其他选项与文章内容不符。
New energy sources are renewable. What does "renewable" mean? A. Can be used only once. B. Can be replenished naturally. C. Are very expensive. D. Are difficult to obtain. 相关知识点: 试题来源: 解析 B。解析:“renewable”意思是可再生的,即可以自然补充。不是只能用一次、很贵或很难获得...
A. They are expensive. B. They are unlimited. C. They cause pollution. D. They are difficult to obtain. 相关知识点: 试题来源: 解析 B。解析:使用可再生能源的主要优势是它们是无限的。选项 A 错误,可再生能源不一定昂贵;选项 C 错误,可再生能源通常不会造成污染;选项 D 错误,可再生能源并不一定...
百度试题 结果1 题目What does the author imply about renewable energy sources? A. They are expensive B. They are inefficient C. They are environmentally friendly D. They are unavailable 相关知识点: 试题来源: 解析 答案:C 反馈 收藏
The passage says that renewable energy sources are becoming more popular.Why is this? A. They are expensive. B. They are not reliable. C. They are better for the environment. D. They are only for rich countries. 相关知识点: 试题来源: ...
A. They are more expensive. B. They are less sustainable. C. They can provide a more stable and reliable source of power. D. They increase our reliance on fossil fuels. 相关知识点: 试题来源: 解析 C。解析:文章中提到可再生能源不仅更清洁、更可持续,而且有潜力提供更稳定可靠的能源,所以答案...
Finally renewable energy sources are used even though they are often expensive to develop. One form of these is geothermal energy . In certain parts of the world the temperature of the earth increases thirty degrees centigrade with each kilometre down. At six kilometres therefore it rises to near...