A. prevent the sun's rays from reaching the earth's surface B. mean a warming up in the Arctic C. account for great changes in the climate D. raise the temperature of the E. arth's surface 相关知识点: 试题来源: 解析 解析:选D。文章第一段讲到二氧化碳在大气中就像温室的玻璃顶一样吸收...
Study the history and environmental effects of atmospheric carbon dioxide and learn about the greenhouse effect, natural changes, and anthropogenic carbon dioxide. Carbon Dioxide and the Greenhouse Effect Carbon dioxide is a naturally occurring gas found in Earth's atmosphere. As one of the ...
【题文】In the atmosphere, carbon dioxide acts rather like a one-way mirror or the glass in the roof of a greenhouse which allows the sun's rays to enter but prevents the heat from escaping. According to a weather expert' s prediction, the atmosphere will be 3℃ warmer in the year 20...
Carbon dioxide lets in sun energy andthentraps it as heat energy, so the more carbon05dioxidein the atmosphere, the higher the averageglobaltemperature. Scientists are concerned thatevenslight increases in global temperatures willsignificantlyaffect plant and animal life on Earth.Inthe past, photosynthe...
Kim Kyung Hoon/Reuters The amount of carbon dioxide in Earth's atmosphere has reached the highest level in human history, exceeding 400 parts per million in April. Ice cores taken from Antarctica with air bubbles as old as 800,000 years has not revealed a level higher than 300 ppm. "If ...
解析 D 见第二段"In the atmosphere,carbon dioxide acts rather like a one-way mirror-the glass in the roof of a greenhouse which allows the sun’s rays to enter but prevents the heat from escaping.” 文章很明确地告诉我们二氧化碳所导致的结果。
Reducing levels of carbon dioxide in the atmosphere is of ___ importance.( )A.criticalB. currentC. corruptD. criminal 相关知识点: 试题来源: 解析 考查形容词词义辨析.critical批评的; 批判性的;极重要的; 关键的; 至关紧要的;current当前的;现在的;通用的;流通的;corrupt贪污的;受贿的;腐败的;crimi...
In the atmosphere, carbon dioxide acts rather like a one-way mirror the glass in the roof of a greenhouse which allows the sun's rays to enter but prevents the heat from escaping.According to a weather expert's prediction, the atmosphere wilbe3C warmer in the year 2050thanitis today, if...
Reducing levels of carbon dioxide in the atmosphere is of importance. A. critical B. current C. corrupt D. criminal 相关知识点: 试题来源: 解析 A 本题考查形容词用法。解题步骤:1. 句意分析。降低大气中的二氧化碳含量___重要。2. 选项分析。A. critical极重要的;B. current当前的;C. corrupt...
HAS THE AMOUNT OF CARBON DIOXIDE IN THE ATMOSPHERE CHANGED SIGNIFICANTLY SINCE THE BEGINNING OF THE TWENTIETH CENTURY? The search for causes of the rising temperatures in some geographic areas during the twentieth century has directed interest toward the amount of atmospher... G Slocum - 《Monthly...