题目

Do you know what Fear and Faith have in common? Fear believes in a negative future. Faith believes in a positive future. Both believe in something that has not yet happened. So I ask you, if neither the positive nor negative future has happened yet then why not choose to believe in the positive future?I believe during these challenging times we have a choice between two roads: the positive road and the negative road. And our bus can’t be on two roads at the same time. So we have to make a choice and this choice determines our belief about the future and the attitude and actions we bring to t16.如图,两个相同容器都盛满水,甲中有一个体积为50厘米,密度为0.5×103千克/米3的木块漂浮在水面.下列有关说法正确的是(  )A.木块漂浮时没有受到压强B.木块缓慢下压至浸没的过程中受到的压强不变C.木块全部压入水中两容器底部受水的压力和压强都相等D.取出木块后两容器对水平桌面的压力和压强都相等
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