引起肠道缺血的原因一般不包括（）。
A.动脉梗死
B.低血流状态
C.肠道炎症病变
D.静脉阻塞
E.肠腔内压力增高
参考答案：C
--- My mother’s birthday is coming; I don’t know what to buy for her.
--- Why not _________her _________ French handbag?
A．buy; an
B．buying; a
C．buy; a
D．buys; /
You have a good voice.（）
A.Thank you
B.Not at all
C.Just so so
D.My voice isn't good
