整个句子的谓语动词是is,所以空格处是非谓语动词,carbon dioxide与produce之间是被动关系,故用过去分词,这里不强调produce发生的动作的时间的先后,故选D。考点:考查非谓语动词的用法。点评:本题难度适中。不容置疑,高考将继续加强对非谓语动词的考查,试题的特征将继续呈现出“情景化”和“设问角度的多样化”的趋势,但...
A. To make sugar. B. To carbonate soft drinks and make dry ice. C. To make coffee. D. To make bread. 相关知识点: 试题来源: 解析 B。中文解析:文中提到“Carbon dioxide is also used in the food and beverage industry. For example, it is used to carbonate soft drinks and to make ...
Fajer ED, Bazzaz FA (1992) Is carbon dioxide a ‘good’ greenhouse gas? Global Envir Change, Dec:301–310.Fajer E D and Bazzaz F A.Is carbon dioxide a good greenhouse gas. Global Environmental Change . 1992Fajer ED, Bazzaz FA (1992) Is carbon dioxide a ‘good’ greenhouse gas?
Carbon dioxide (CO2) in the atmosphere, a greenhouse gas, may also provide benefits for mankind: many plants grow better under increasing CO2 concentrations. Individuals have speculated that agricultural yields will increase up to 30% under future CO2 concentrations, and natural ecosystems will become...
Carbon dioxide is good for fire extinguishers because fire needs oxygen in order to burn - what we see as fire is actually the result of a chemical... Learn more about this topic: Workplace Safety: Definition and Precautionary Measures ...
百度试题 结果1 题目Carbon dioxide ___ from burning fuels is the most common of the “greenhouse gases”. A. having been produced B. producing C. to be produced D. produced 相关知识点: 试题来源: 解析 D 反馈 收藏
百度试题 结果1 题目Carbon dioxide ___ from burning fuels is the most common of the greenhouse gases.A. producing B. having been produced C. produced D. to be produced 相关知识点: 试题来源: 解析 C 反馈 收藏
carbon emission 碳排放 sustainable 可持续的,不破坏环境的 plastic components 塑料零件 textile 纺织物 sequester 封存 harm 危害 练习 选择意思恰当的单词或词组来完成下列句子。 1.___ are dangerous chemicals. Textiles Toxins Landfills Atmo...
13.Carbon dioxide.which makes a between us and the sun.prevents heat from getting out of the atmosphere easily.so the earth is becoming warmer.( )A.differenceB.comparisonC.connectionD.barrier
【题目】Carbondioxide,whichmakesa___betweenusandthesun,preventsheatfromgettingoutoftheatmosphereeasily,sotheearthisbecomingwarmer. A.differenceB.comparison C.connectionD.barrier 试题答案 在线课程 【答案】D 【解析】 试题分析:考查名词的含义。difference差别,不同;comparison比较,对比;connection联系,关联;barrie...