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【多选题】
(多选)如图所示电路中,电源内阻忽略不计。闭合电键,电压表示数为U,电流表示数为I;在滑动变阻器R 1 的滑片P由a端滑到b端的过程中()
A.
U先变大后变小
B.
I先变小后变大
C.
U与I比值先变大后变小
D.
U变化量与I变化量比值等于R 3
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举一反三
【单选题】球 - 管平衡是指,重吸收量始终占滤过量的( )。
A.
50% ~ 60%
B.
60% ~ 70%
C.
65% ~ 70%
D.
70% ~ 80%
【简答题】No book or magazine can be taken out of the reading room without p______.
【单选题】以下()在俄国的保守主义中比较浓厚并且对其具有巨大影响。
A.
色彩
B.
宗教色彩
C.
保守主义意识
D.
以上答案均正确
【单选题】Nowadays,children often prefer__________ TV to readin9. A.watchingB.to watch###SX
A.
Nowadays,children often prefer__________ TV to readin9. A.watching
B.
to watch
C.
being watched
D.
watch
【单选题】_______ hard and you _________ enjoy it .
A.
Working; enjoy
B.
Work; enjoy
C.
Work ; will enjoy
D.
Woking; will enjooy
【单选题】球-管平衡是指
A.
近端小管的重吸收量始终占肾小球滤过率的65%~70%
B.
肾小球滤过率等于肾小管重吸收率
C.
肾小球滤过率随肾小管吸收率而变化
D.
肾小管吸收率为65%~70%
E.
以上都不是
【单选题】球-管平衡是指,重吸收量始终占滤过量的
A.
50℅~60℅
B.
60℅~70℅
C.
65℅~70℅
D.
70℅~80℅
E.
60℅~65℅
【简答题】Where can the visitors enjoy the beautiful pool? They can enjoy it on the sunny ______.
【单选题】Newtown is a good place ________ yourself. [     ]
A.
enjoy
B.
enjoyed
C.
to enjoy
【简答题】It can be conclude from the passage that newspaper readers ________. A) apply reading techniques skillfully B) jump from one newspaper to another C) appreciate the variety of a newspaper D) usually re...
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