I want to be a headmaster when I grow up. I think that's a good job. My school is in the forest、It’s very beautiful。I go to work at eight o'clock in the morning. The teachers in my school are kind and patient. The
在划横线处填写正确的读音。
kuā____
liàn____
____xiě
quān____
夸奖
练熟
描写
圈圈
以下情境中没有受到浮力的物体是( )
【猜想】水泥块能作过氧化氢分解的催化剂.
可以用分液漏斗分离的一组混合物是