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【简答题】
(1)一个球形雨滴半径为0.40mm,带有电量1.6pC,它表面的电势多大?(2)两个这样的雨滴碰后合成一个较大的球形雨滴,这个雨滴表面的电势又是多大?
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举一反三
【简答题】She never enjoyed the fame that was thrust on her.
【简答题】She never enjoyed the fame that was ______ on her.
【单选题】Sally,a shy girl ,never speakers in public she is asked to,never!
A.
until
B.
unless
C.
even though
D.
as though
【单选题】—She joined a football team last fall and was recently made captain. —Never _____ she'd ever have that much energy.
A.
I had thought
B.
I would have thought
C.
could I have thought
D.
will I have thought
【判断题】差异市场策略就是推出一种产品，实施一种市场营销组合手段，包括单一型号，包装、价格、品牌长期不变，进行规模和内容相似的宣传，采取广泛的分销渠道。()
A.
正确
B.
错误
【简答题】A．She was compensated financially and began doing what she enjoyed. B．She realized her dream that she never quite made into reality. C．She enjoyed her career and was prepared for changes in life. D．Sh...
【单选题】She never enjoyed the fame that was ( ) on her.
A.
thrust
B.
put
C.
tuned
D.
exclaimed
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