我国科学家研制出世界上最轻的一种材料 —— “全碳气凝胶”，这种材料密度仅为0.16mg/cm³，“0.16mg/cm³”所表示的物理含义是____。一块100cm³的“全碳气凝胶”，该“全碳气凝胶”的质量为____ mg。研究表明，“全碳气凝胶”还是吸油能力最强的材料之一，它最多能吸收自身质量900倍的有机溶剂，则100cm³的“全碳气凝胶”最多能吸收的有机溶剂重力为____ N。（g取10N/kg）

阅读理解。根据短文内容，判断正误。

    I have a good family. There are four people in my family. They are my father, my mother, my sister and I. My father is 40. He is a Chinese teacher. My mother is 38. She is an English teacher. They work in different schools. My sister's name is Li Fang. She is ten. We are in the same school, but in different grades. We have a nice picture of our family. It's on the wall. Look! Our father and mother are on the chair, and we two stand behind them.

若直线l同时平分一个三角形的周长和面积，则称直线l为该三角形的“Share直线”，已知△ABC的三边长分别为3、4、5，则这样的“Share直线” （      ）

What was Jim's first teacher like?