Part `2` :

`1.A` the Chinese

`->`Dẫn chứng : Paper is named for papyrus, a reed like plant used by ancient Egyptians as writing material more than 5,000 years ago. The Chinese invented the paper that we use 2,000 years ago. ( Đoạn văn số 1 của bài )

`2.C` plant fiber

`->`Dẫn chứng : The fibers used in paper, however, are plant fibers, and there are millions of them in one sheet. ( Câu 2 đoạn 2 )

`3.B` trees

`->`Dẫn chứng : The majority of paper is made from the plant fiber that comes from trees. ( Câu 2 đoạn 3 )

`4.C` good for the environment

`->`Dẫn chứng : This recycling process saves forests and energy and reduces air and water pollution. ( Câu cuối của bài )

`5.A` reduce the need for ink

`->`Dẫn chứng : This recycling process saves forests and energy and reduces air and water pollution. ( Câu cuối của bài )