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【多选题】
动物传染病流行过程的基本环节为A.
传染源
B.
传播途径
C.
易感动物
D.
飞沫传播
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皮皮学刷刷变学霸
举一反三
【单选题】● 交换机配置命令2950A (vlan)#vlan 3 name vlan3的作用是 （69） 。 （69）
A.
创建编号为3的VLAN，并命名为vlan3
B.
把名称为vlan3的主机划归编号为3的VLAN
C.
把名称为vlan3的端口划归编号为3的VLAN
D.
进入vlan 3配置子模式
【单选题】I took my seat beside her. = I _____beside her.
A.
sat
B.
seated
C.
was sitted
D.
was seating
【单选题】. —May I see your ticket, please? I think you ________ in my seat. —Oh, you’re right. My seat is upstairs. I’m terribly sorry.
A.
are sitting
B.
sit
C.
sat
D.
have sat
【单选题】-- Seat belts save lives.--().
A.
I won’t put on my seat belts.
B.
I will put on my seat belt.
C.
It’s sure.I agree.
【单选题】— May I see your ticket, please? I think you ____ in my seat. — Oh, sorry. My seat is upstairs. [ ]
A.
are sitting
B.
sit
C.
sat
D.
have sat
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