Ⅰ.重点单词
1.a wildlife photographer 一个野生动物摄影师
2.press a button 按了一个按钮
3.a key element 一个关键因素
4.encounter a number of difficulties 遇到许多困难
5.the garden path 花园小径
6.freeze with terror 吓呆了
7.stare at him in disbelief 疑惑地盯着他看
8.create an image on the screen 在屏幕上产生了影像
9.secret police files 警方秘密档案
10.He made a quick recovery (recover) from his illness and was soon back at work.