which 考查定语从句。设空处引导定语从句,在定语从句中作介词的宾语,指代先行词“greenhouse” gases,故使用which。相关知识点: 试题来源: 解析 Only when everyone is aware of the importance of protecting the environment can our earth become a better home....
The term 'greenhouse gases' includes several gases. Which of the following is NOT a greenhouse gas? A. oxygen B. carbon dioxide C. methane D. nitrous oxide 相关知识点: 试题来源: 解析 A。“greenhouse gases(温室气体)”主要包括二氧化碳、甲烷、氧化亚氮等,氧气不是温室气体。
And the way they trap heat in the atmosphere is 3.(call)the“greenhouse effect(温室效应)". This is not simply air 4.(pollute).Most of the greenhouse gases are in small amounts in our atmosphere, and without them our earth would be much 5.shn(cold) and we can't live on the earth...
由题干"Which greenhouse gases are contributing the most to the rise in Earth's temperature?"可知,本题使用选择选项中哪种温室气体对于地球的温度上升影响最大?结合选项,O 氧气 Breath,氧气是大气中最常见的气体之一,但它并不是一个温室气体。温室气体是指能够吸收和重新辐射地球表面辐射的气体。故此选项不符合...
Greenhouse gases trap heat in the atmosphere, which is similar to ___. A. a mirror reflecting light B. a blanket keeping warm C. a fan blowing cold air D. a sponge absorbing water 相关知识点: 试题来源: 解析 B。解析:温室气体在大气中困住热量,就像毯子(blanket)保暖一样。镜子反射光线与困...
The greenhouse effect is mainly caused by certain gases in the atmosphere. Which of the following is one of the main greenhouse gases? A. Oxygen B. Nitrogen C. Carbon dioxide D. Hydrogen 相关知识点: 试题来源: 解析 C。解析:温室效应主要是由大气中的某些气体引起的。氧气是人类呼吸所必需的...
Greenhouse gases are the main cause of global climate change. Which one is the most important greenhouse gas? A. methane B. ozone C. carbon dioxide D. nitrous oxide 相关知识点: 试题来源: 解析 C。二氧化碳是最重要的温室气体,虽然甲烷、臭氧和一氧化二氮也是温室气体,但二氧化碳的影响最大。
【题目】71 The goal here is to limit carbon dioxide and other greenhouse gases, which are closely associated to the big problem of global warming.Strategy 1: Bring your own cup to Starbucks. You'll get a 10 cent discount, and it's one less papercup to end up in a landfil. While ...
the sunshine B. the gas from the Earth C. the greenhouse gases D. the Earth's climate3. What results in the increase of the global average tem-perature? A. Human activities. B. Burning fuels. C. Planting trees. D. Bush fires.4. Which is the proper order of the following disasters...
分析题意,根据后文提及的“it may create a lot of greenhouse gases, which is not eco-friendly”可知,此处在强调这种方法的“缺点”。A.convenience 方便,便利;B.basis 基础;C.drawback 缺点;D.schedule 计划表,安排表。综合分析,C项符合题意。故选C项。