颅脑损伤病人的护理措施哪项不正确
A．按GOS表评估意识
B．监测瞳孔变化
C．测生命体征
D．有无夏柯征出现
E．正确使用脱水药
参考答案：D
已知一个菱形的两条对角线长分别为3与4，那么这个菱形的周长为______．
After he finished school, he worked _____ a worker.[ ]
A. as
B. on
C. at
D. from
