A:Happy Teacher's.
B:Teacher's Day.
C:Happy Teachers' Day
D:Happy Day.
裸____ 侨____ 掏____ 缕____ 瞎____ 槐____
课____ 轿____ 淘____ 搂____ 割____ 魄____
砌____ 峡____
沏____ 挟____
判断对错
把50克农药放入1500克水中,农药和药水的比是 131
如漫画让我们在笑意中感悟到( )
下列事件为必然事件的是( )