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【单选题】
关于热传递的下列说法中，正确的是（ ）A.
热传递是高温物体的温度传给低温物体
B.
并不接触的物体之间不会发生热传递
C.
比热相同的物体之间不会发生热传递
D.
温度相同的物体之间不会发生热传递
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举一反三
【简答题】完形填空。 Hearing the front door open, I ran down to the kitchen and waited. I saw my dad come in, with the white envelope in his hand. I had waited all day for this, so I reached over him for it as soon ...
【单选题】----- ______ to the sun, the flower will become dry soon. ----- What you said does make _______. [ ]
A.
Exposed; sense
B.
Exposing; sense
C.
Exposed; senses
D.
Exposing; a sense
【简答题】Hearing the front door open, I ran down to the kitchen and waited. I saw my dad come in, with the white envelope in his hand. I had waited all day for this, so I reached over him for it as soon as he ...
【简答题】They did not observe her _____ in and go
upstairs.A. to come B. coming C. come D. has come
【单选题】蛔虫对人体的危害很大,最严重的危害是( )
A.
成早寄生导致的并发症
B.
幼虫移行对肠壁的损伤
C.
幼虫移行对肺部的损伤
D.
长期夺取营养导致的营养不良
E.
代谢产物的毒性作用和免疫损伤
【单选题】What does the author say is especially important about the Sun at the present time?
A.
It appears yellow.
B.
It always remains the same.
C.
It had a short history.
D.
It is too cold.
【判断题】变电站的微机综合自动化系统中的事故追忆功能主要作用是将变电站在事故前后一段时间内的一些主要模拟量(如220~500kV线路、主变压器各侧电流、有功功率，主要母线电压等)及设备状态等事件信息记录于微机中，通过从综合自动化系统中调取事故前后的记录，了解系统某一回路在事故前后所处的工作状态。这对于分析和处理事故有一定的辅助作用。( )
A.
正确
B.
错误
【单选题】预装式变(配)电站(简称预装式电站)又称箱式变电站。主要用于电压为( )的系统，作接受分配输入的电能和向用户提供低压电能之用。
A.
3～35kV
B.
2～35kV
C.
1～10kV
D.
1～35kV
【单选题】They didn’t observe her _______ in and go upstairs. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
come
B.
came
C.
to come
D.
coming
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