在接触网导线距轨面高度小于()的线路上,禁止登上敞车手闸台。
A.6200mm
B.6300mm
C.6400mm
D.6500mm
参考答案:A
女,36岁,右中指指腹针刺伤,3天后指尖有严重跳痛和压痛,指尖肿胀,体温37.8℃
最可能的诊断是()。
A.甲下脓肿
B.甲沟炎
C.腱鞘炎
D.脓性指头炎
E.丹毒
People around the world may feel that the climate _小题1:__ (get) steadily warmer and warmer in recent years. Places _小题2:_ used to be abundant in snowfall have frequently experienced snow-free (无雪的) winters. Droughts last _小题3:_(long) in some dry areas. People find that _小题4:_ air conditioners they could hardly work or fall asleep in hot summer days.
The side effects of global warming are alarming. __小题5:_ warming global climate melts the ice caps,_小题6:_ (raise) sea levels. What is more,_小题7:_ disturbs weather patterns, causing droughts, severe storms and hurricanes. People suffer a lot from disasters relevant to global warming. __小题8:_ (stop) global warming we should make immediate and __小题9:__(continue) efforts. We hope the situation will soon change. Global warming catches and holds our concern,_小题10:__ it affects us and will affect our later generations. We cannot wait any longer. Do it right. Do it right now.