上消化道大出血病人应用冰盐水洗胃目的是()
A、引起内脏血管收缩
B、降低纤溶酶的活性
C、延迒胃的排空
D、减少胃夜的分泌
参考答案:A, B, C
—Did you see Tom at the party ?
—No, he _____ by the time I got there . [ ]
A. left
B. was leaving
C. had left
D. has left
身份证:身份( )
A.执业证:资格
B.结婚证:配偶
C.房产证:房屋
D.毕业证:学位