—So many cases about football violence recently!

—Yes, it is difficult to let the football fans keep _____.

A．as sharp as a spear

B．as sly as a fox

C．as tall as a tree

D．as cool as a cucumber

男，32岁，汽车撞伤左季肋区5小时，无尿，神志模糊送来急诊室。急诊查体：体温37.5℃，血压60/40mmHg，脉搏细弱，全腹压痛，无反跳痛。

首选的治疗措施是（）

A.静脉用强心药物

B.立即手术治疗

C.迅速补充平衡盐溶液

D.利尿剂改善肾功能

E.应用抗生素