2. Why is the “natural" greenhouse effect important and necessary? ( D ) A. Because it is short-wave radiation. B. Because it is long-wave radiation. C. Because it releases more heat. D. Because it helps Earth to sustain life. 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
请根据以下回答选择合适的问句。<br/> --- Why are they so keen on green?<br/> A、They are 'building a 'greenhouse.<br/> B、They are 'building a 'green 'house.<br/> C、'They are 'building a 'greenhouse.<br/> D、'They are 'building a green 'house.
gone up by half a degree.It doesn't sound much but people are very worried.Global warming is caused by the greenhouse effect(温室效应).What is it?It's what keeps our planet at a nice and comfortable temperature and the best way to explain how it works is to ...
根据第一段“Most plastic is made from fossil fuels. Millions of tons of greenhouse gas are released from the development of these resources and plastic production and burning.(大多数塑料是由化石燃料制成的。这些资源的开发以及塑料的生产和燃烧释放了数百万吨温室气体。)”和第二段“The end life of...
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Why Carbon Dioxide Is a Greenhouse GasDouglas FischerThe Daily Climate
Answer to: Why is a certain level of greenhouse gases beneficial, but too high a level dangerous to life on earth? By signing up, you'll get...
A. To show the harm of plastic B. To warn of the climate change. C. To call for the development of fossil fuels. D. To highlight the importance of plastic E. quipment. 相关知识点: 试题来源: 解析 C 反馈 收藏
The real reason why prices ___, and still are, too high is hard to understand, and no one can explain this problem.A.wereB.would beC.have beenD.will be 免费查看参考答案及解析 题目: 听下面一段较长对话,回答以下小题。【1】Why does the man feel surprised about BettyA.She went to ...
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