For this part, you ate allowed 30 minutes to write a short essay entitled The Greatest Invention Your Eyes following the outline given below．You should write at least 120 words but no more than 180 words． 1．人类社会的发展史上出现过很多伟大发明 2．在你眼中，最伟大的一项发明是…… 3．该项发明对你的影响是……
【参考答案】
正确答案： It is no exaggeration to say human society is propelle......