青霉素过敏性休克抢救时,首选药物是()
A.盐酸肾上腺素
B.盐酸异丙嗪
C.去甲肾上腺素
D.异丙肾上腺素
E.盐酸麻黄碱
参考答案:A
Not far from the school there was a garden, owner seated in it playing chess with his little grandson every afternoon.
A.its
B.whose
C.which
D.that
算法的空间复杂度是指( )。
A.算法程序的长度
B.算法程序中的指令条数
C.算法程序所占的存储空间
D.执行过程中所需要的存储空间