一矩形线圈在匀强磁场中匀速转动产生感应电动势,下面说法正确的是( ).
A. 当穿过线圈的磁通量最小时,感应电动势最小
B. 当穿过线圈的磁通量最大时,感应电动势最大
C. 当穿过线圈的磁通量为零时,感应电动势最小
D. 当穿过线圈的磁通量为零时,感应电动势最大
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If you tell these naughty children to do something, they will often just do the exact ______________.
A. reverse
B. response
C. rebuff
D. reaction
People in many cultures believe witch doctors have the power to bless or ___________ their lives.
A. pose
B. curse
C. press
D. cue
The figures clearly ___________ the differences in living standards between the two areas.
A. highlight
B. compliment
C. concern
D. integrate
Our memory is limited, but our imagination is unlimited, and it ___________ on optimism and hope.
A. defines
B. feeds
C. elects
D. employs