通过学习，你认为原子结构与下列事物结构最接近的是： [ ]
A．西红柿
B．西瓜
C．面包
D．太阳系
答案：D
---How about the trip to Shanghai, Kitty?
---Everything was fantastic if our car did not _______ for some times on the way.
A．slow down
B．break down
C．put down
D．turn down
面团调制的六个阶段
