keeping a neutral attitude toward carbon dioxide D. a new type of substance containing carbon 相关知识点: 试题来源: 解析 B 正确答案:B 解析:语义题第二段提到,福克斯的管理者密切关注二氧化碳排放量。第三段又提到,《反恐24小时》是第一部实现“Carbon neutral”的影视作品。根据逻辑关系可知,[B]“不...
'Carbon neutral' in this passage refers to___. A. involving no use of coal as fuel B. producing no carbon dioxide C. keeping a neutral attitude toward carbon dioxide D. a new type of substance containing carbon 如何将EXCEL生成题库手机刷题 如何制作...
Hydrocarbons containing a triple bond or more than one double bond between carbon atoms are particularly active. When unsaturated hydrocarbons are subjected to the influence of a polymerizing catalyst, they condense and form substances of higher molecular weight. The more active olefinic hydrocarbons ...
the aforementioned alcohol-containing liquid, this liquid consisting primarily of normal primary alcohols having from eight to eighteen carbon atoms in the molecule. The preferred embodiment of the invention pertains to an initial sulfonation treatment of the above described liquids at temperatures below ...