“煤”变“油”这一技术目前世界上只有少数几个国家掌握。煤炭变成的汽油和柴油不合硫、氮等污染物，是高质量的洁净油品。；据悉，我国也已启动“煤”变“油”项目。
硫、氮污染物进入大气后，产生的环境问题主要是（）。
A. 放射性污染
B. 臭氧层空洞
C. 酸雨、酸雾
D. 重金属污染
查看答案
Other drivers thought they were______．
A. carrying a cupboard to the church
B. sending flowers to the church
C. carrying nothing but a piece of furniture
D. going to attend a funeral(葬礼)at the church
为解决我国当前面临的能源问题（）。
A. 应该限制生产规模以适应能源短缺的限制
B. 主要加快石油勘探和开采的同时限制进口
C. 应该压缩不稳定性能源的开发利用比例
D. 应加强技术改造，提高能源利用率
The expression "wait on table" in the second paragraph means"______"．
A. work in a furniture shop
B. keep accounts for a bar
C. wait to lay the table
D. serve customers in a restaurant
The Canfield newspaper gave a report just the opposite to the Beldon Post by saying that______．
A. the bedroom lamps were very old at the Seabreeze Hotel
B. the bedroom lights made funny noise when the fire took place
C. the firemen failed to save clothing, bedclothes and other things
D. such accidents never happened in Canfield for the past 5 years
微信支付 
支付宝支付