Language points
Consist of 由…组成，由….构成（不用进行时）
The team consists of one hundred men and women athletes.
=The team is made up of one hundred men and women athletes.
There is a big family, consisting of ten people.
Consist in 在于，决定于 (不用被动态)= be based on/ depend on/ upon
What does happiness consist in? 什么才算是幸福？
The beauty of the town consists in the style of its ancien t buildings.
Pre-reading
divide “把…..分成；分开”指将一个整体分成若干部分，常与介词 between ,among, by ,into 等搭配
He divided the cake into three= The cake was divided into three.
Divide this line into 20 equal parts. Divide this line in half.
We’ll have to divide the work between (among) us.
