术后急性胃扩张的病理生理改变是()
A.水、电解质紊乱
B.胃壁肌层张力下降
C.粘膜水肿、幽门梗阻
D.胃静脉回流障碍
E.胃内大量液体潴留
参考答案:A, B, C, D, E
给句子排队,标号。
( ) Yeah. I am tall. You're short.
( ) Wow! It's so tall.
( ) OK! Let's go!
( ) Yes. The giraffe is tall. The deer is short.
( ) Yes, it's tall. Look at the deer! It's so short.
( ) Come on, Amy. Look at the giraffe!
( 1 ) Amy! Let's go to the zoo!
寄生于人体静脉血管的寄生虫有:()
A.血吸虫
B.丝虫
C.钩虫
D.蛔虫
E.绦虫