为什么手湿不能开启机床?
参考答案:手湿开启电器按钮容易引发触电事故,造成人员伤亡。
肾脏生理性老化包括()
A.肾血流量进行性下降
B.肾小球硬化或玻璃样变
C.肾小球滤过率上升
D.远端小管扩张并且部分形成憩室或囊肿
E.肾小管分泌NH4+的能力增强
Nowhere else, as his mother told us, __________ except the cabin in the backyard.
A.did he go
B.he did go
C.went he
D.he went