问题
选择题
The accident that resulted________the death of two passengers resulted________careless driving. [ ]
A. in; on
B. in; from
C. on; in
D. from; in
答案
答案：B
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The accident that resulted________the death of two passengers resulted________careless driving. [ ]
A. in; on
B. in; from
C. on; in
D. from; in
答案：B
线框完全离开磁场的瞬间位置3速度一定比t0时刻线框的速度大