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【单选题】
腰椎间盘突出症患者小腿前侧、足内侧皮肤感觉消失,受压的神经根最可能是
A.
骶1
B.
腰5
C.
腰4
D.
腰3
E.
腰2
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【单选题】电路中任意两点之间的电位差叫().
A.
电压
B.
电位差
C.
电动势
D.
电流
【简答题】电场内两点间的电位差叫( ),用符号( )表示。
【简答题】什么叫电位差?
【简答题】什么叫电位?什么叫电位差?什么叫电压?电位与电压是什么关系?电压的方向是怎样的规定的?
【简答题】生物药物按来源以及制造工艺不同,可分为三类:( ),( ),( )
【单选题】All cultures have some system of measuring duration, or keeping time, but in Western industrialized societies, we keep track of time in what seems to other peoples almost an obsessive fashion. We view...
A.
their way of living depends greatly on perseverance and repetition
B.
they think it necessary to invent their own perception of time
C.
their language does not contain words referring to motion
D.
they think everything should proceed in a linear way
【单选题】当金属插入其盐溶液时,金属表面和溶液界面间形成了双电层,所以产生了电位差,这个电位差叫______。
A.
电动势    
B.
电极电位    
C.
膜电位    
D.
液接电位
【简答题】什么叫电位差?
【单选题】电路中之所以有电流流动是由于电源两端的电位差造成的,这个电位差叫( )。
A.
电压
B.
电压源
C.
电流源
D.
电流
【单选题】The non-Western cultures were undermined in history by_____.
A.
fooling people with mass advertisement
B.
colonizing the land with military invasion
C.
tempting people with economic support
D.
imposing Western religion and cultural practices
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