下列选项中,不会造成反应床层超温的是()
A、反应注水泵停运
B、循环氢压缩机停运
C、急冷氢中断
D、反应进料泵停运
参考答案:A
—What do you enjoy ______ at home in the next few days?
—Reading, of course. [ ]
A. to pass your time
B. passing your time
C. pass your time
D. being passing your time
超五类线主要用于()bps以太网。