netstat哪个参数可以显示所有与主机建立连接的端口信息()
A.a
B.e
C.n
D.s
参考答案:A
— I'd like to invite you to dinner this Saturday.
— ______. [ ]
A. Come on
B. I'd rather stay at home.
C. Oh, no. That will be too much trouble.
D. I'm very sorry, but I have other plans.
对高血压患者进行择期手术时,以下哪项说法错误()
A.术前1周停用利血平类降压药,可改用卡托普利等
B.尽量避免硬膜外及蛛网膜下隙麻醉,以免引起血压急剧下降
C.不选用氯胺酮麻醉,以免血压升高
D.术前服用β受体阻滞剂者均需停用
E.术中出现血压下降可先用麻黄碱