geography/geology/photograph/photographer/telegraph
记忆：
1. 词根gram [ ^rAm ] graph 含义是“书写，记录”，geo表示“地”，geography n.地理学, 地理 There lies a strong link between geography and politics.在地理和政治间有很强的联系。
2. geology [ dVi5ClEdVi] -ology, 学；geology, 地质学 Li Siguang, a great geologist, contributed a lot to the oil industry of China.伟大的地质学家李四光为中国的石油业作出了巨大的贡献。
3. graph [ ^rB:f ] n. 图表, 曲线图 I will make some graphs to show it more plainly.我将制作一些图表来把它展示得更清楚些。
3. photograph [ 5fEutE^rB:f, -^rAf] photo含义为“光”， 拍照与光有关；photograph, n.照片 Scientists believe that a photograph speaks more than a ten hours’ talk to the outer space life if they do exist.科学家们相信，如果外层太空有生命的话，一幅图片带去的信息比十个小时的讲话还要多。
4. photographer [ fE5tC^rEfE] n. 摄影师 A good photographer can make a great scene. For example, some photographs of abusing brought great trouble to the White House in May, 2004.一个好的摄影师能掀起很大的波澜。比如，2004年五月一些虐囚照片就使白宫遇到了很大的麻烦。
5. telegraph [ 5teli^rB:f ] 前缀tele-表示“远”，telegraph,电报（发到很远的地方） Telegraphs are still in use where internet is not available.在不能用因特网的地方，人们仍在使用电报。
另类阅读：
I am interested in geography. I have taken a lot of photographs of the local geology and photographed some for a geological magazine at its invitation by telegraph.