东汉初年，光武帝曾借故搜捕王侯宾客，“坐死者数千人”；明帝借口楚王信奉黄老，与方士往来，疑其谋反，收捕者达数千人。这些做法（    ）

4∶6和12∶18可以组成比例。

Hi Jerry,

    Thank you1your invitation to2your school next week. I am sorry I3come. I'm not going to be4next week. On Monday, I have a piano lesson58:00 to 10:00 in the morning, and I have to study for the English test in the afternoon. On Tuesday, I am6a friend from my hometown at the airport. On Wednesday, I am7tennis with my friends. I have to look after my 8grandpa on Thursday. On Friday, I'm helping one of my classmates 9 his English. I am busy10week.