如图所示，在距地面一定高度的地方以初速度v0向右水平抛出一个质_爱下问搜题

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问题计算题

如图所示，在距地面一定高度的地方以初速度v₀向右水平抛出一个质量为m，带负电，电量为Q的小球，小球的落地点与抛出点之间有一段相应的水平距离。求：若在空间加上一竖直方向的匀强电场，使小球的水平距离增加为原来的2倍，求此电场场强的大小和方向

答案

完形填空

It is interesting to observe the way in which children so often react against their parents’ ideas, while at the same time 36 their parent’s characteristics. This is to say, the children grow up to have different 37 from their parents, yet to have 38 personalities. There is a 39 going on in the toy world at present over 40 children should be encouraged to have war toys. I do not see any 41 in forbidding them when I think of the 42 of my friend Henry.
Henry is the son of strict parents who were against war. He was never 43 toy soldiers or guns as a 44.
Henry 45 and went into the army, becoming a first-class soldier and 46 all sorts of honors in the army. In that way he became the 47 of what his parents might have 48 of their son. And yet there is a gentleness about Henry which shows a 49 personality. His sympathies(同情) which I can see must have come from his 50. 51 doing things differently from our parents, a lot of the 52 gets passed on.
Parents have to 53 their children what they believe to be right; but it is not much your ideas that the children 54 your example. Perhaps the best way to teach one’s child gentleness is not to forbid toy guns, but to be 55 in one’s own everyday life.

A．In spite of

D．sympathetic

单项选择题

行政许可有效期届满未延续的，行政机关应当依法办理有关行政许可的（）手续。

A.注销

B.撤销

C.吊销

D.终止