肠套叠患者的粪便是（）
A.米泔水样便
B.暗红血样便
C.白陶土样便
D.柏油样便
E.果酱样便
参考答案：E
----Guess what ! I came across a friend at the party last night.
---- ________. I am sure you had a wonderful time.
A．Sounds good!
B．Very well.
C．How nice !
D．All right.
一次世界大战与二次世界大战都促进了航空业的急速发展。
