Traditionally, college students hold a graduation party to encourage themselves before they _____ on their life journey.

A．give up

B．settle down

C．get through

D．set off

小儿重型腹泻最易发生的酸碱平衡紊乱是

A．呼吸性酸中毒

B．代谢性酸中毒

C．代谢性碱中毒

D．呼吸性碱中毒

E．代谢性酸中毒合并呼吸性酸中毒