1.选择题- (共7题)
4.
_______ a dark night, they took the sick boy to the hospital. And after an hour’s curing, the boy was out of danger very soon.
_______ a dark night, they took the sick boy to the hospital. And after an hour’s curing, the boy was out of danger very soon.
5.
_______ a dark night, they took the sick boy to the hospital. And after an hour’s curing, the boy was out of danger very soon.
_______ a dark night, they took the sick boy to the hospital. And after an hour’s curing, the boy was out of danger very soon.
6.如下图所示,在第二象限内有水平向右的匀强电场,在第一、第四象限内分别存在如图所示的匀强磁场,磁感应强度大小相等,方向相反。有一个带电粒子(不计重力)以初速度v0垂直x轴,从x轴上的P点进入匀强电场,恰好在Q点与y轴成45°角射出电场,再经过一段时间又恰好垂直于x轴进入下面的磁场.已知OP之间的距离为d,则带电粒子

2.填空题- (共6题)
3.解答题- (共1题)
试卷分析
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【1】题量占比
选择题:(7道)
填空题:(6道)
解答题:(1道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:0
7星难题:0
8星难题:0
9星难题:7