A:Look
B:Play
C:See
碱
酸
盐
碱性氧化物
酸性氧化物
A
烧碱
H2SO4
BaCO3
Na2O2
CO2
B
Ba(OH)2
HCl
NaCl
Na2O
CO
C
纯碱
CH3COOH
CaCl2
Al2O3
SO2
D
KOH
HClO
CaCO3
CaO
SiO2
照样子,填上合适的词
例:高兴—高高兴兴
快乐____ 明白____ 漂亮____
—Have you decided ______ with her?
—______.
—What did Alice say? —She said she me at eight o'clock tomorrow morning.