题干
下列实验操作中，不正确的是（ ）
A： 熄灭酒精灯
B： 取用固体粉末
C： 读取液体体积
D： 滴加液体
答案(点此获取答案解析）
A
It is noon now. The sun is high in the sky. It is very hot. Look at the tree. The shadow is short. 
It is evening now. The sun goes down in the west(西方). Look at the tree, the shadow is long again. 
It is night now. The moon is high in the sky. There are some stars in the sky too. 
和哪个是同一类（ ）