以下哪项操作可以获得抽福利的抽奖资格（）

A.常见的系统操作有福利抽奖、发布公告、订阅小卡等

B.直播间操作只能在pc端中控台互动面板完成

C.公告入口可以设置直播间滚动公告，用于提醒用户注意信息

D.设置关注卡片，可以让直播间弹出关注信息，引导粉丝关注

A.Can I have more holiday？

B.There is one or more specifics I want to talk about if I may.

C.I want to ask a few more questions if I can.

D.Could I have a chat before I start working？

A.There is one or more specifics I want to talk about if I may.

B.Can I have more holiday？

C.I want to ask a few more questions if I can.

D.Could I have a chat before I start working？

A.There is one or more specifics I want to talk about if I may.

B.Can I have more holiday？

C.I want to ask a few more questions if I can.

D.Could I have a chat before I start working？

A.There is one or more specifics I want to talk about if I may.

B.Can I have more holiday？

C.I want to ask a few more questions if I can.

D.Could I have a chat before I start working？

A.井道内作业是否由有特种作业资格者进行

B.轿顶、底坑照明是否良好

C.有无正确使用安全护栏

D.井道内作业临时停梯是否拍急停

以下哪项不是各种注射法操作的共同点

A、注射前应排除空气

B、必须抽见回血

C、注意选择注射部位

D、均需消毒皮肤

E、掌握进针深度