日积月累。

1．君子爱财，________。 

2．________，众不劫寡，________，贵不傲贱。 

3．一粥一饭，________；半丝半缕，________。

The weather in Beijing is colder than ______. [ ]

A. in Hebi

B. Hebi

C. at Hebi

D. that in Hebi