当蒸发进水温度为20℃,真空度最高能达到()。
A、-0.099MPa
B、0.08MPa
C、0.099MPa
D、0.9MPa
参考答案:C
《祝土匪》是下列哪位作家的杂文名篇?()
A.鲁迅
B.瞿秋白
C.林语堂
D.聂绀弩
—It's raining heavily.
—Oh, I forgot __________ the windows of my room. I need to go back now.[ ]
A. close
B. to close
C. closed
D. closing