完形填空Inthe13thcentury,MarcoPolotravell

完形填空In the 13th century, Marco Polo travelled a long way to China. He was a famous Italian 1During his stay in China, he saw many wonderful things. One of the things he2 was that the Chinese used paper money. People in3 coun­tries didn't use paper money until the 17th century. However,people in China began to use paper money in the 10th century.4 was invented by a Chinese about 2 000 years ago. His name was Cai Lun. He then5these pieces of paper together and made them into a6 .Now paper mainly es from trees. We use it every day.7 we waste a lot of it. If we keep on doing so, people8 cut down many more trees. Then there will not be any trees left. If there are no9 , there will be no paper.So how can we10 paper? When we mak­ing notes,we can use11 sides of each piece of paper. We can buy drinks in bottles instead of12 in paper packets. We can also use cotton handkerchiefs ( 棉手帕) and not the paper ones.13 we go shopping, we can use fewer paper bags. If the salesman gives us a paper bag, we can keep it and14 it later. We can help to protect trees if we think15 . We should to it now,before it is too late.1.A.travellerB.actorC.doctorD.driver2.A.dislikedB.disagreedC.inventedD.discovered3.A.EasternB.WesternC.SouthernD.Northern4.A.IronB.PaperC.TelevisionD.Silk5.A.collectedB.dividedC.movedD.put6.A.magazineB.newspaperC.bookD.dictionary7.A.SometimeB.Some timeC.SometimesD.Some times8.A.have toB.mustn'tC.used toD.shouldn't9.A.booksB.treesC., leavesD.factories10.A.makeB.useC.saveD.buy11.A.allB.eachC.everyD.both12.A.themB.thoseC.theseD.ones13.A.BeforeB.AfterC.As soon asD.When14.A.repairB.recordC.reuseD.return15.A.carefullyB.badlyC.quicklyD.freely