A:①④都要用到锥形瓶
B:②③都要用到温度计
C:③④都要用到酒精灯
D:①②都要用到指示剂
下列关于新文化运动的说法,错误的一项是( )
My uncle ________ come here tonight, but he isn't ________ home.
——Do you know ____________ the population of China is?——Yes, it has the __________ population in the world, about 1.3 billion.