皮内注入结核菌素后经多长时间观察结果
A．12～24小时
B．24～48小时
C．48～72小时
D．3～4天
E．4～5天
参考答案：C
—Excuse me, could you please tell me if the sports meeting ________ on time?
—Hard to say. If it ________ tomorrow, we’ll have to put it off.
A．will hold; rains
B．will be held; rains
C．will be held; will rain
D．holds; will rain
正常人侧卧位时腰穿脑脊液压为（）。
A.70～180mmH20
B.70～200mmH20
C.80～180mmH20
D.80～200mmH20
E.110～200mmH20
