下列实验基本操作正确的是（ ）
A：取用锌粒
B：量取液体
C：检查装置气密性
D：点燃酒精灯
读一读，选一选
____ Is your father here today? A. No, I don't.
____ What does your mother do? B. He's a businessman.
____ Do you want to be a head teacher? C. No. He's in Australia.
____ What does he do? D. She's a head teacher.
依次填入下面文中横线处的词语，最恰当的—项是（ ）
人生难免会寂寞．但寂寞的滋味却不尽相同。陶渊明“采菊东篱下”的寂寞是________的，苏轼“人有悲欢离合”的寂寞是________的，柳宗元“独钓寒江雪”的寂寞是________的，李白“我歌月徘徊”的寂寞________的……；唯有直面寂寞．才能品出别样人生
