急性脊髓炎和脊髓压迫症的鉴别诊断最有价值的是（）
A.起病急缓
B.症状的轻重
C.有无脊髓休克
D.脑脊液的改变
E.腰穿时压颈试验通畅
参考答案：E
I often think of the years ____ I worked with the foreigners, ____ has had a great effect on my later life.
A．that; which
B．when; which
C．which; that
D．when; who
当地陪发现接待计划与领队手中的接待计划有部分出入时，首先应该做的事情是（ ）。
A．马上报告给旅行社
B．马上向领队赔礼道歉
C．马上向旅游者赔礼道歉
D．马上想办法分清责任
