哪些不属于切换控制方式?()
A.网络控制切换,
B.终端控制切换,
C.功率控制切换,
D.网络辅助切换.
参考答案:C
Peru was a new world to me and I was ______ find out more about it for myself.
A.adapting to
B.dying to
C.adjusting to
D.devoting to
抢救青霉素过敏性休克应首选
A.肾上腺皮质激素
B.去甲肾上腺素
C.肾上腺素
D.多巴胺
E.抗组胺药