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【单选题】
在一个含有独立电源的线性电阻性网络中,当其中一个独立电压源的电压由10V增加为12V时,某一支路电流由4A变为3A。当该电压源电压由18V时,这一支路的电流为( )。A.
7.2A 。
B.
4A。
C.
8A。
D.
0A。
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【简答题】小题1:He taught in this school last year.(把last year改为 since last year) He _________ _________ in this school _________ last year. 小题2:They didn’t clean the classroom yesterday.（改为被动语态） The classroom __...
【单选题】Great changes have taken place ___. [ ]
A.
in the last few year
B.
in the last few years
C.
last year
D.
on the last year
【简答题】对羟基苯甲酸酯类
【单选题】The number of players in this year's sports meet was half ______. [ ]
A.
last year's
B.
that of last year's
C.
of last year's
D.
those of last year's
【单选题】ear/year
A.
There is something wrong with this ear.
B.
There is something wrong with this year.
【单选题】The sentence 'the wheat could not be full in the ear' in the last paragraph probably means that______.
A.
the waving of the wheat could not be heard fully through the ear
B.
the wheat could not bear good fruit
C.
Wang Lung' s ear was full of the sound of wheat
D.
the wheat could not fill the ear of people
【简答题】对羟基苯甲酸酯
【单选题】The Blacks are visiting China in May ______ [ ]
A.
this year
B.
last year
C.
the last year
D.
that year
【简答题】Last year my friends and I went camping. Last year I went camping______.
【简答题】对羟基苯甲酸：
相关题目：
【单选题】ear/year
A.
There is something wrong with this ear.
B.
There is something wrong with this year.
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