Stage 4 solve language puzzles

Since students have read the passage for 2 times and got the main idea of the passage, there are few language puzzles for them now.

But accumulation every day is very important.

Here, several words are explained. They are:

consist of and be made up of

purchase

be aware of

regardless of

And some exercise are offered to consolidate students' memory.

Stage 5 vocabulary accumulation and exercise

Homework: all the exercises on page 56 and page 57 can be used as exercise resources.