如图所示，一端封闭、粗细均匀的薄壁玻璃管开口向下竖直插在装有水银的水银槽内，管内封闭有一定质量的空气，水银槽的截面积上下相同，是玻璃管截面积的10倍．玻璃管截面积S=1.0cm²开始时管内空气柱长度为6cm，管内外水银面高度差为50cm．将玻璃管沿竖直方向缓慢上移（管口未离开槽中水银），使管内外水银面高度差变成60cm．（大气压强相当于75cmHg=1.0×10⁵Pa），求：

根据短文内容判断下列句子的正误。

A

    Baseball isone of the most popular sports in the USA. Each team has nine players. The baseball season goes from April to September. The members of the important baseball teams become heroes (英雄). At the end of the season, the two top teams play together. Lots of baseball fans go to watch the games. There are also thousands of baseball fans listening to the radio or watching TV. People always talk about the games. They still talk about the results (结果) and the players, even if (即使) the games are over. American football is more popular than baseball in the USA. When the baseball season ends, the football season begins. When there is an important American football game, millions of people sit in front of the TV set to watchit. Many people even sit beside the radio to hear the result when they are working.

大家特别服气班长晓阳，对待同学，学习无论好孬，家庭不论贫富，说话做事都能一视同仁，万一有谁犯了错误，他也不会让他特别难堪，总给机会弥补。这表明晓阳（）
①懂得尊重同学 ②能够平等待人 ③待人豁达 ④善于与人合作