在新砜胺法中,其他条件不变,增加溶液水含量,则()。
A、脱硫能力上升
B、酸气负荷提高
C、选择性提高
D、溶液再生容易
参考答案:D
— When did you see Jane?
— Last Saturday. She ______ with her sister, Lily. [ ]
A. was doing window shopping
B. did some window shopping
C. is doing window shopping
D. had done window shopping
"针对不同专业用户的需要所编制的大量的应用程序,进而把它们逐步实现标准化模块化所形成的解决各种典型问题的应用程序的组合"描述的是
A.软件包
B.软件集
C.系列软件
D.以上都不是