geography什么时候应该大写

geography在句首时应该大写。n. 地理；地形

Geography is myfavourite subjects.

地理是我最喜欢的科目。I have taught geography in this school for 40 years.

我已经在这所学校教了四十年的地理了。

The citizens are very familiar with the geography of the area where they live.

市民们非常熟悉自己所居住地区的地形。

Detectives have figured out the geography of that palace.

侦探们已经搞清楚了那座宫殿的布局。

My favourite subjects at school were history and geography.

我在学校最喜欢的科目是历史和地理