A.ON B.TO C.OF D.FORREAD THE TEXT AND THEN CHOOSE THE CORRECT ANSWER...

Câu 40: A.on B.to C.of D.forRead the text and then choose the correct answer for each question below.Paper is named for papyrus, a reed like plant used by ancient Egyptians as writing material morethan 5000 years ago. The Chinese invented the paper that we use 2000 years ago.A piece of paper is really made up of tiny fibers, unlike a piece of material. The fibers used inpaper, however, are plant fibers, and there are millions of them in one sheet. In addition to the plantfiber, dyes and additives such as resin may be used. Dyes can make the paper different colors; resinmay add weight and texture.Where do these fibers come from? The majority of paper is made from the plant fiber thatcomes from trees. Millions are cut down, but new trees are planted in their place. Paper may be alsomade from things like old rags or pieces of cloth. Wastepaper, paper that has been made and used,can be turned into recycled paper. This recycling process saves forest, energy and reduces air andwater pollution.