写出下列词语的近义词。

故意—____    经常—____     温和—____

读黑龙江地图，回答下列问题：

A是黑龙江省邻国____ ．

B是黑龙江省行政中心____ 市．

C是我们垦区所在的____ 平原．

D是中俄界河____ 江．

根据句意和首字母提示，完成句中所缺单词。
(1)We can go to the countryside to enjoy the f____  air.
(2)Many students want to go a____  for further study.
(3)Mary is now watching a film in a nearby____  (电影院).
(4)Mount Fuji is the____  (象征) of Japan.
(5)The c____  (会议) has been over for an hour.

据此回答下列问题．