My sister always ____ one hour ____《Learn English》every evening.

阅读理解。   

     My name is Xiaoming. I get up at half past six. I have breakfast at seven o'clock. I go to school at eight o'clock. I have lunch at twelve o'clock. I go home at four o'clock. I have dinner at five o'clock. I watch TV at half past six. I do my homework at seven o;clock. I go to bed at nine o'clock.

2013年9月1日是扬州大学迎新第一天,校园里一辆辆贴着“独立宣言”标语的迎新“雷锋车”成为一景。在这里,新生离开家长鞍前马后的安排,独立报到,就能获得学校发给的“自立奖”。为了让新生进入校园后就学会独立,今年扬大亮出新招:所有新生进校后,从办理入学手续到搬运行李,再到整理宿舍,所有过程如果独立完成,将在学期各类评优中予以“加分”。

某校七年级(1)班在读了上述材料后,决定组织一次主题班会,请你参与并完成下列任务: 

给你一个凸透镜和一个凹透镜，用两种方法辨别哪个是凸透镜，哪个是凹透镜．