― Would you like to play football with us this afternoon, Lucy?
― ________. I will go shopping with Linda.
A:I'd love to
B:I'm afraid not
C:Sounds good
D:You're welcome
工业上,煅烧石灰石可制得生石灰,生石灰与水反应制得熟石灰.在生活中,人们用石灰浆粉刷墙壁,粉刷后的墙壁在空气中生成碳酸钙而变得坚硬,起到保护墙壁的作用.请写出上述三个变化中的化学反应方程式:
(1)____ (2)____ (3)____ .