A. Useful expressions:
1. in the beginning, at the beginning, from the beginning
In the beginning they used to carve Chinese characters on stones.
The accident happened at the beginning of the sports meet.
I've read the book from the (very) beginning to the end.
2. development
Susan is asking Mrs Zhu about the development of printing in China.
3. come out
How did the printing come out?
4. sound like sth
That doesn't sound like modern printing.
5. throw away
After you printed the book, you had to throw away the carved pieces of wood.
B. Sentence patterns:
1. It is believed that
It is believed that before writing was developed, people in China used to keep
records by putting a number of stones together.