1) major greenhouse gases 主要温室气体 1. The concentrations ofmajor greenhouse gasesin the loess-paleosol sequence, such as CO2 ,CH4 and N2O are higher than in the atmosphere. 通过自制钻机对北京斋堂黄土剖面(L2上部～L1)进行了不同层位(深度)的垂直或水平打钻,利用毛细管负压原理采集到游离气体并进...
Carbon dioxide is one of the major greenhouse gases.Most of this heat-trapping gas is produced through human activities related to burning fossil fuels.Several major industries have attempted to move away from fossil fuels in favor of cleaner energy solutions. ...
【题目】Scientists blame greenhouse gases for being a major cause of climate change aroundthe world. This is because greenhouse gases trap heat in the atmosphere and make theplanet warmer.Carbon dioxide is one of the major greenhouse gases. Most of this heat-trapping gasis produced through human...
根据第一段第一句Scientists blame greenhouse gases for being a major cause of climate change around the world.“科学家指责温室气体是全球气候变化的主要原因。”由此可知,“温室气体”是气候变化的主要原因。故选A。 (2)题详解: 细节理解题。根据第二段中Formic acid is a substance (物质) found in ants...
1. According to the passage the root cause for weather changes on the Earth is ___. A. the atmosphere surrounding the EarthB. water from oceans and lakes C. energy from the Sun D. greenhouse gases in the sky 2. Only a small part of the Sun's energy reaches the Earth's surface...
“Smoke from wildfires contains a noxious mix of chemicals that affects not only air quality and health, but also damages plants, ecosystems and crops – and leads to more carbon emissions and so more greenhouse gases in the atmosphere,” says Dr Lorenzo Labrador, a WMO scientific off...
How to Better Reduce the Effects of Greenhouse GasesC. Formic Acid Promises a Good Cleaner Energy SolutionD. It's High Time to Say Goodbye to Major Energy Problems 相关知识点: 试题来源: 解析 32.答案B思路点拨根据文章第一段中的“Most of this heat-trappinggas is produced through human ...
major greenhouse gases concentrationδC_g value, CH and NO in loess-paleosol sequences are generally high, even sometimes may be several times or scores of times higher than their atmospheric concentrations respectively. Although the CO concentration in the same loess section shows poor regularity ...
NO emission and preliminary estimation of annual NO emission from trees in mixed broad-leaved and Korean pine forest of Changbai Mountain The sources of N 2O,one of the major greenhouse gases in the atmosphere,are still unclear till now. It was previously considered that only soil microbial p...
根据划线词前的“A major new facility to pull CO2 out of the atmosphere has started operating in Iceland(冰岛一座从大气中提取二氧化碳的大型新设施已开始运行)”和划线词后的“to an emerging technology that experts say could eventually play an important role in reducing greenhouse gases.(一项新兴技术...