石灰石/石灰湿法烟气脱硫工艺主要由以下哪些部分组成?
A. 石灰石或石灰浆液制备系统
B. 石膏脱水系统
C. 吸收系统
D. 氧化系统
E. 烟气系统
F. 废水处理系统
喷雾干燥法属于哪种脱硫工艺?
A. 干法
B. 湿法
C. 半干法
Immigrantshavetoadaptthemselvesculturallyandphysicallytothenewsurroundings____theyhavemove.
A. onwhich
B. bywhich
C. intowhich
D. fromwhich
________ in the company for three years, Mark has become experienced in business negotiations.
A. Worked
B. Have been working
C) Have worked
D. Having worked