正常情况下，能被肾小管完全重吸收的物质是（）。
A.尿素
B.尿酸
C.肌酐
D.葡萄糖
E.K+
参考答案：D
_________ last as his coach suggested, he wouldn’t have narrowly escaped being killed.
A．Hadn’t the skydiver exited
B．If the skydiver hadn’t exited
C．Should the skydiver not exit
D．If the skydiver wouldn’t exit
为什么要设置除氧器水位保护？
