新生儿硬肿症患儿的关键护理措施是
A．减轻水肿
B．逐步复温
C．预防感染
D．合理喂养
E．观察病情
参考答案：B
— You didn't lose the train ticket, did you?
— _____. I know it's not easy to get another one now. [ ]
A. I am afraid not
B. I think no
C. I don't hope so
D. I hope not
试述泰山-25拖拉机传动系的动力传递路线？
