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【单选题】
线性结构中数据元素的位置之间存在( )的关系A.
每个元素有唯一前驱
B.
每个元素有唯一后继
C.
元素之间1对1关系
D.
元素是否有前驱、后继不能确定
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】OptiX OSN 6800 CWDM 系统可配置成哪种设备类型：( )
A.
动态光分插复用设备ROADM
B.
静态光分插复用设备FOADM
C.
光线路放大设备OLA
D.
光终端复用设备OTM
【简答题】denote
【简答题】液体A在某毛细管中上升的高度为h(图)，当把毛细管折断，使其高度h'＜h，此时液体能否从毛细管的顶端冒出?将一根上端向下弯曲的毛细管插入液体A，若毛细管的最高处距液面的高度h"＜h，液体能否从毛细管口滴下?为什么?
【单选题】—Can we please get a new air conditioner for our bedroom? —Can't you see that it' a not working right?
A.
Do you have to repair it?
B.
It is not very hot in this season
C.
I also think we should buy a new one.
D.
What’s wrong with the one we have now?
【单选题】— Would you like a cup of tea? — ______. [ ]
A.
Yes, please
B.
Yes, I would.
C.
No, please.
D.
No, I wouldn't
【单选题】—This physics problem is too difficult. Can you show me ____, please Wang Lin? —Sure. [ ]
A.
what to work it out
B.
what to w ork out it
C.
how to work it out
D.
how to work out it
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