Curling溃疡发生机制为()
A.胃粘膜血流量减少
B.胃粘膜屏障受损
C.胃酸分泌增加
D.胃粘膜前列腺素改变
E.胃粘膜炎症
参考答案:A, B, C, D
阅读短文,判断正(T)误(F)。
Hello, I am Amy. I am a girl. I am ten. I have a new classroom There is (有) a teacher's desk. The wall is
white. The fan is yellow. I like the classroom very much.
( ) 1. Amy is a boy.
( ) 2. Amy has a new classroom.
( ) 3. Amy is nine.
( ) 4. The wall is blue.
( ) 5. Amy likes the new classroom.
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