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【单选题】
某交换机端口原属于 VLAN 5 ,现在用 undo vlan 5 命令删除 VLAN 5 后,这个端口属于哪一个 VLAN
A.
0
B.
1
C.
1023
D.
1024
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举一反三
【单选题】下列不参与咽壁构成的是:( )
A.
粘膜层
B.
粘膜下层
C.
肌肉层
D.
纤维层
E.
外膜层
【判断题】加工中心工艺编写需考虑切削三要素。
A.
正确
B.
错误
【单选题】These things are the same in appearance but different in _____.
A.
impression
B.
essence
C.
exposure
D.
honor
【简答题】阅读短文,按要求做下列题。 Dear Tommy, Can you take some things to Helen? These things are: her alarm clock, math book, bag, ID card, notebook and hat. The alarm clock is on the desk. The math book is on the desk,...
【单选题】A: These things are not useful to anyone, are they? B: ______. We can throw them away.
A.
Yes, they are
B.
Yes, they aren’t
C.
No, they aren’t
D.
No, they are
【简答题】These things are ______ to happen when you are careless.
【单选题】带止回阀的喷油器的阀的动作次序是______。
A.
针阀先开,止回阀后开
B.
针阀先关,止回阀后关 D. 止回阀先关,针阀后关 D.针阀和止回阀同时关闭
【单选题】—These things are not useful to anyone, are they? —______. We can throw them away.
A.
Yes, they are
B.
Yes, they aren’t
C.
No, they aren’t
D.
No, they are
【单选题】These things are _________ to happen when you're always careless.
A.
bind
B.
bund
C.
bound
D.
bounding
【单选题】店铺装修的好坏取决于( )。
A.
图片
B.
文字
C.
颜色
D.
美工设计
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