完形填空。
Dear friend,
     I am 1 American school girl. My name is Alice Green. I am twelve. I 2 two brothers. My brothers and I 3 all at school. We go to school 4 Monday 5 Friday. We 6 have classes on 7and Sunday. We don't go to school on weekends. My father and my mother are teachers. They say China is great. I like 8, and I can sing a lot of songs. My brother and I like baseball and basketball. 9do you like? Let's10friends. Please write soon.
Yours,
Alice Green

某通缉犯在水平潮湿的泥地上站立时留下一对清晰的脚印。经测量，这对脚印的总面积为0.05m²，深度为1.8cm。为了大致知道该逃犯的质量，公安刑侦人员对该潮湿泥地进行抗压实验，发现使潮湿泥地达到相同深度的压强为1.5×10⁴Pa。请你根据以上数据推算：

①该逃犯对地面的压力。

②该逃犯的质量。(取g＝10N/kg)