The amount of carbon dioxide inthe atmosphere has risen by more than 30% inthe last 250 years with half of this increaseoccurring since 1960.在过去的250年里,大气中的二氧化碳含量已经增加了30%以上,而其中的一半是在1960年以后增加的。【要点提炼】句中出现了with复合结构:with+宾语(half of this ...
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...
The amount of carbon dioxide___ the atmosphere has risen___ more than 30% in the last 250 years___ half of this increase occurring since 1960. 相关知识点: 试题来源: 解析 in;by;with.考查单词填空.in the atmosphere在大气中;rise by上涨了;"with+名词+现在分词"复合结构. ...
【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...
In the atmosphere, carbon dioxide allows the sun's rays to enter but prevents the heat from escaping. According to a weather expert's prediction, the atmosphere will be warmer in the year 2050 than it is today, if man continues to burn fuel at the present rate. If this warming up took...
In the atmosphere, carbon dioxide allows the sun’s rays to enter but prevents the heat from escaping.According to a weather expert’s prediction, the atmosphere will be warmer in the year 2050 than it is today, if man continues to burn fuels at the present rate.If this warming up took...
The amount of carbon dioxide in the atmosphere has reached a new high in recent years. Which activity can contribute the least to this? A. Driving electric cars B. Burning forests C. Factory emissions D. Using gas - powered stoves 相关知识点: ...
Theconcentration of carbon dioxide in our atmospherehas been steadily increasing since about1750. Carbon dioxide lets in sun energy and thentraps it as heat energy, so the more carbon 05dioxidein the atmosphere, the higher the average globaltemperature. Scientists are concerned that evenslight incre...
【题目】As levels of carbon dioxide - CO2 - in the atmosphere have been rising in recent decades, Earth has been warming. T hat's becauseas a greenhouse gas, CO2 traps heat in Earth's atmosphere. That warming is one symptom of climate change. And it has the potentialto affect food in...
Carbon dioxide already emitted into the atmosphere will keep contributing to global warming for centuriesReuters