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【判断题】
通报必须写附件。( )A.
正确
B.
错误
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皮皮学刷刷变学霸
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【单选题】近年，东营的路边出现了一种风光互补式路灯（如图所示），该路灯装有风力和太阳能发电装置．白天该路灯将获得的电能储存在蓄电池内，夜间蓄电池对灯泡供电．关于该路灯，下面说法不正确的是（ ）
A.
太阳能发电装置是将太阳能转化为电能
B.
风力发电机是将机械能转化为电能
C.
白天，对蓄电池充电是将化学能转化为电能
D.
风力发电机的工作原理是电磁感应
【简答题】How could you introduce into a casual conversation those lengthy lines of argument that inject the adrenalin into a given idea? 2. The engineer bought a big house, but the professor, whose salary is m...
【简答题】在放大电路中,如欲稳定输出电压,应引入( )负反馈,如欲稳定直流静态工作点,应引入( )负反馈,如提高输入电阻,应引入( )负反馈。
【单选题】Another potential waste of money, if only from the perspective of PISA results, may be sending children to private school.
A.
We are aware of the potential problems and have taken every precaution.
B.
The school strives to treat students as individuals and to help each one to achieve their full potential .
C.
The agricultural sector has untapped potential - less than half of arable land is cultivated.
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