I was close to being killed the day before yesterday. A truck passed me at ______ I thought was a crazy speed.

A．as

B．which

C．what

D．that

对于粪便的描述，下列哪项不正确()。

A．排便量受食物摄入量、种类、液体摄入量、排便次数和消化器官的功能状态的影响

B．正常成人的粪便呈黄褐色、成形、软便

C．柏油便说明下消化道有大量出血

D．粪便呈扁条形或带状说明肠道部分梗阻或直肠狭窄

E．直肠癌溃烂继发感染时有恶臭