韦氏记忆量表最小适用年龄为()。
A.3岁
B.4岁
C.5岁
D.6岁
E.7岁
参考答案:E
George said that he would come to school to see me the next day, but he ______.
A.wouldn’t
B.didn’t
C.hasn’t
D.hadn’t
消化性溃疡最常见的并发症为().
A.穿孔
B.出血
C.幽门梗阻
D.癌变
E.瘘管形成