【多选题】关税按征税的一般方法或征税标准可分为( )。
【单选题】{ 国内储蓄包括 }
D.
国家强制性储蓄、国家税收、企业储蓄和家庭储蓄
【简答题】能源、环境与人类的生活和社会发展关系密切相关. (1)目前,人类以化石燃料为主要能源,常见的化石燃料包括煤、石油和 . (2)为减少温室气体排放,人们积极寻找不含碳元素的燃料.经研究发现NH 3 燃烧的产物没有污染,且释放大量能量,有一定应用前景. ①NH 3 中氮元素和氢元素的质量比为 . ②将NH 3 燃烧反应的化学方程式补充完整:4NH 3 +3O 2 6H 2 O+ .
【简答题】What is the main idea of this text?( )
【简答题】听力原文:Q: What is the main idea of this passage? What is the main idea of this passage? A mother and her daughter ______.
【简答题】What are the main features of traditional linguistics?
【简答题】What are the main functions of the British Parliament?
【简答题】What is the main purpose of marketing?
【简答题】What is the main idea of this passage?The main idea is that early rising is ______ in more than one way.`