根据下表内容，写一篇80-l00 字的反映历史上重大发明的短文。开头已给出。

　 There are many inventions that have caused great changes in the world．Here's a short introduction For example digital camera was invented by___________

W：Teddy，what are you doing?

M：Oh，Miss Lee．I'm　 reading an interesting book about animals．

W: 1_______________________

M：Yes，I do．

W：What are you going to be when you grow up?　

M：I want to be an animal doctor．I think it's very interesting and helpful．

W：2_______________________　 ?

M：Oh，my brother wants to be a policeman．He thinks it's a little dangerous， but exciting．

W：And your sister?

M：3________ ．She likes singing．She would like to be popular and famous.

W：I hope she can．

M：4_____________ By　 the way，do you like being a teacher ?　

W：5___________ I like children and teaching．I think my job is very rewarding．

10．Where I am from，we're pretty ______ (宽松的)about time．

9．____(碰撞)into players and falling down would be dangerous．

8．She said it would be possible for me to get a________ (特别地，特殊地) trained dog　　

7．He even handed out____(广告)at a lock supermarket．

6.It has some fantastic sights，_______ (包括)the Eiffel Tower and Notre Dame Cathedral．

5．I woke up late this morning．I had to really r_____ to get to school on time．

4．Excuse me．I w_____ if you can tell me the way to the bank．