Nobody _____ his name, he is a new singer.[ ]
A. have
B. knows
C. know
D. is
答案:B
小强爸爸每月的工资是四位数ABCD,其中A既不是质数也不是合数,B既是奇数又是合数,C是5的最小倍数,D既是偶数又是质数,小强爸爸的工资是______元.
喉阻塞紧急情况下行哪种穿刺
A.气管软骨B.会厌软骨C.甲状软骨D.环状软骨E.环甲膜