急性肠系膜上动脉出口处栓塞,坏死的肠段包括()
A.全部小肠
B.远端小肠及右半结肠
C.屈氏韧带以下的小肠
D.右半结肠
E.屈氏韧带以下的小肠及右半结肠
参考答案:E
The family is a cooperative enterprise for which it is difficult to _____ rules, because each family needs to work out its own ways to deal with its own problems.
A.set up
B.put down
C.keep up
D.lay down
diamater基础协议提供的功能包括什么?