下列叙述中正确的是（　　）

给下列句子排出正确的顺序。

A. I see. My father is a postman, too.

B. Is your brother a postman? 

C. Really? Where does your father work? 

D. Yes, he is. He works in the post office near our school.

E. He works in the same post office with your brother.

____  ____  ____  ____  ____  

Fire gives us （热）____ and light.

油漂浮在静止的水面上，说明油的密度____（填“大于”“等于”或“小于”）水的密度；一实心物体刚好能悬浮在水中，将此物体放入足够多的油中时，物体将____（填“漂浮”、“上浮”、“悬浮”或“下沉”）．