“夏收期间遇上了少有的好天气。南苑乡顺利完成了小麦收割任务”，说明的是（ ）
如图，玻璃管下端开口插入水银槽中，上端封有一定质量的气体，当玻璃管绕顶端转过一个角度时，水银面的高度h和空气柱的长度l的变化情况是（ ）
--- You look unhappy. What happened?
--- I just had a fight with my mom and I felt __________ it. I shouldn’t have done that.
