【单选题】对一个术后禁食的成年患者(无其他体液平衡失调),每日静脉输液总量至少为;
【单选题】In________of speed,safety and price, the hi-railway system is perhaps the world ’smodel railway.
【单选题】现代教育的()是指现代教育不局限于学龄阶段,而是贯穿人的一生,现代教育的改革应该着眼于创造一个适合于终身学习的社会,满足不同年龄受教育者的教育需求,“活到老,学到老”正是体现了这一思想。
【判断题】在非稳定井流中,沿流向断面流量逐渐增大,因为沿途不断得到弹性释放量的补给,或者是由于沿流向水力坡度不断增大的缘故。
【单选题】The following statements about urban rail signal system and national railway signal system are correct,exept( )
A.
Nan Jing line 1 is urban rail.
B.
Urbal rail sevice objiect only passengers.
C.
Nation railway control distance is tens of kilometers.
D.
Urban railway depot has shunting function.
【单选题】The railway system was ______ on the successful plan used in other countries.
【单选题】China's railway system has carried out a real-name ticket purchasing system, _____ requires passengers to provide their ID numbers when buying tickets. [ ]