由( )可以看出有多少数据类为不同的系统共享。
A) 系统/数据类矩阵 B) 组织/过程矩阵C) 过程/数据类矩阵 D) 系统/业务矩阵
参考答案:A
—Did you catch the early bus this morning?
—No.It had left the stop _____ I arrived there.[ ]
A. as soon as
B. as the time
C. by the time
D. during the time
NSAID急性胃炎主要发病机制
A.胃黏膜微循环障碍
B.抑制前列腺素合成
C.亲脂性,破坏黏膜屏障
D.黏液屏障分泌减少
E.胆盐、磷脂酶A和其他胰酶破坏