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【简答题】
Ohm is the basic unit to measure electrical __________________. ( resist)
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【简答题】A．The top of the hill. B．The gentle slope of the hill. C．The foot of the hill. D．The side of the hill.
【简答题】Many of the people who appear most often and most gloriously in history books are great conquerors and generals and soldiers, whereas the people who really helped civilization forward are often never ...
【简答题】A．The change of lifestyle. B．The change of the nature of occupations. C．The increase of social wealth. D．The increase of job opportunities.
【简答题】（4分）某学校化学科研小组从文献资料上获得如下信息：NaHCO 3 在潮湿的空气中会缓慢分解成Na 2 CO 3 、H 2 O和CO 2 。为了验证这一信息，该科研小组将一瓶在潮湿空气中久置的NaHCO 3 样品混合均匀后，进行如下实验： （1）在一个质量为ag的蒸发皿中加入一些样品，称得总质量为bg。用酒精灯对其充分加热，冷却后称得其总质量为cg。残留在蒸发皿中的固体是（填化学式）_______...
【单选题】Most of the people who appear most often in glorious history books are great conquerors and generals and soldiers, whereas the people who really helped civilization forward are often never mentioned a...
A.
most history books are comprised of acts by conquerors, generals and soldiers
B.
hardly anyone who contributed a lot to civilization is mentioned in history books
C.
history books attract more attention by listing conquerors or generals or soldiers
D.
conquerors, generals and soldiers in history were more courageous than civilized people
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