煅烧后的石油焦水份分析指标不大于（）
A、0.2%
B、0.3%
C、0.4%
D、0.5%
参考答案：B
I want to retire ______. [ ]
A. somewhere beautiful
B. beautiful somewhere
C. anywhere beautiful
D. beautiful anywhere.
水煤气与发生炉煤气掺混可作为城市煤气的调峰气源。
