Is it cool? [ ]
A. Yes, it's warm.
B. It is hot today.
C. No, it isn't.
答案：C
肠扭转
A．绞窄性肠梗阻B．单纯性肠梗阻C．麻痹性肠梗阻D．痉挛性肠梗阻E．慢性肠梗阻
花岗岩
