题目

As we know, everyone can make mistakes, but don’t worry about it. The following is  what we should do when we make mistakes. • Just admit (承认）it. Don’t think that our mistakes are caused by others.  36 Don’t blame other people, and don’t cheat ourselves, either. •  37  .In order to stop the problem from getting worse, we should act quickly to solve it. If we don’t act and deal with the problem quickly, it’ll only make us feel more stressed. Also it is necessary to make a plan of action and correct the mistake according to it.  38  . •   39  .Those who 底面积200cm2，高为0.5m，重为10N的薄壁柱形容器，内装有0.3m深的酒精，置于水平桌面上。细线吊着质量为3kg，边长为0.1m的实心正方体A，使其一半体积浸入酒精中，如图，已知ρ酒精＝800kg/m3，则此时A. 细线的拉力为56NB. A浸入一半体积时，容器内酒精对底部的压强为2400PaC. 若剪断细线，待稳定后，液体对容器底部的压强将增加200PaD. 若剪断细线，待稳定后，烧杯对桌面的压强将增加4400Pa