管电压为100kVp,则高压电缆对地电压为()
A.50kVp
B.60kVp
C.70kVp
D.100kVp
E.200kVp
参考答案:A
Our teachers always tell us ________ across the street when the traffic light is red.
A. to go B. don’t go C to not go D. not to go
察鼻时,肺气郁闭的特点是()
A.鼻塞流涕
B.鼻孔出血
C.鼻孔干燥
D.鼻涕浊臭
E.鼻翼煽动