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【判断题】
The buildings in Oxford and Cambridge are very modern and beautiful.
A.
正确
B.
错误
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如何制作自己的在线小题库
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刷刷题刷刷变学霸
举一反三
【单选题】Tafel公式η=a+blgj中,j的物理意义是:()。
A.
交换电流密度
B.
极限电流密度
C.
电极表面在还原方向的电流密度
D.
电极与溶液界面上的净电流密度
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【单选题】取样频率的选择必须满足纳斯特取样定理,即对一个模拟信号进行取样时,要求取样频率至少是该模拟信号上限频率的()倍。
A.
1
B.
2
C.
3
D.
0.5
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【单选题】It was in the university ten years ago, _________ they met in September for the first time, _________ they fell in love with each other.
A.
that; when
B.
when; that
C.
that; where
D.
where; that
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【单选题】塔菲尔(Tafel)公式η=a+blgj的适用范围是( )
A.
仅限于氢超电势
B.
仅限于j≈0,电极电势稍有偏差的情况
C.
仅限于阴极超电势,可以是析出氢,也可以是其他
D.
可以是阴极超电势,也可以是阳极超电势
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【单选题】'______' is the term used for the first ten amendments to the Constitution.
A.
The Articles of Confederation
B.
The Bill of Rights
C.
Checks and Balances
D.
The Human Rights Bill
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【单选题】取样频率的选择必须满足纳斯特取样定理,即对一个模拟信号进行取样时,要求取样()至少是该模拟信号上限频率的2倍。
A.
信号
B.
时间
C.
频率
D.
幅度
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【单选题】The theory was attacked ten years ago when it was first______, but gradually it was accepted.
A.
promoted
B.
enhanced
C.
advanced
D.
conceived
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【单选题】听力原文:W: We have made ten copies. M: At first it's planned to need ten copies, and now we don't need so many. Four would be enough. Q: How many unnecessary copies they have made? (4)
A.
Five.
B.
Three.
C.
Four.
D.
Six.
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【单选题】When is the intermission?
A.
It will be in ten minutes.
B.
It will follow the first piece.
C.
It will be before the first piece of the evening.
D.
It will be at the final performance of the season.
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【单选题】The first modern Olympics attracted athletes from ten countries.
A.
Y
B.
N
C.
NG
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