1. 昨天你校"发明节"隆重开幕，在今天的英语口语课上，老师要求同学们围绕"你所知道的发明创造"这一话题进行简短发言。请你根据下表的内容提示为此次发言做准备。

要求：1）发言稿须包括表格内容，可适当发挥；

2）90词左右，发言稿的开头和结尾已给出，不计入总词数。

What	Who	When
The telephone	Alexander Bell	In 1876
The car	Karl Benz	In 1886
The TV	John Baird	In around 1924

    Hello, everyone! There are many inventions that have changed the world. Here's a short introduction of some useful inventions.

                                           

    That's all! Thanks!