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【单选题】
According to the passage, the purpose of being weightless was to______.A.
see what conditions are like in space
B.
prepare the young scientists for future work in space
C.
show the judges of the competition what they could do
D.
make the teams try out their ideas
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反馈参考答案：
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
【简答题】拧开盖帽，将细管部分插入 [填空(1)] ，计入药液，按压肛门5分钟A. 肛门
【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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