题型:名词解释 -What do you want to do next? We have half an hour until the basketball game.-________. Whatever you want to do is fine with me.[ ]A.It just depends. B.It is up to you.C.All right. D.Glad to hear that.
题型:名词解释 汽车尾气中NO和CO的催化转化反应2NO(g)+2CO(g)=N2(g)+2CO2(g)是一个放热反应,下述( )方法可以提高转化反应速率。A.( 降温B.( 向反应系统中充氩气增加系统总压C.( 降压D.( 以上三种办法都不行 查看答案
题型:名词解释 为发展“低碳”经济,很多地区采用风力发电.风能属于___________能源(选填“可再生”或“不可再雄”);若风力发电机一天发电7.2×109J,这相当于完全燃烧_____________kg的煤放出的热量.(煤的热值为3×107J/kg) 查看答案