关于十二指肠溃疡,哪项是错误的
A.上腹痛多在饭后3~4小时发作B.比胃溃疡易发生癌变C.上腹压痛多偏右D.上腹痛进食后缓解E.发病年龄比胃溃疡为年轻
参考答案:B
用5,7,0,4组成的最大的四位数是( ),最小的不读出“0”的四位数是( )。
— Was the bungee jumper killed since the line broke after he jumped off the bridge?
— Well, it's totally unbelievable that he ______ have survived the jump.[ ]
A. would
B. must
C. could
D. should