肠内营养时，导致腹膜炎的原因是
A．空肠造瘘管滑入游离腹腔B．腹胀C．便秘D．腹痛E．胃排空迟缓
参考答案：A
Mr. Smith is very strict ______ everything ______ his students.[ ]
A. with; in
B. with; of
C. in; with
D. in; of
多子、少子
