一篇英语完形填空答案Inthe13thcentury,MarcoPolotraveledalongwaytoChina.HewasafamousItaliantraveler.DuringhisstayinChina,hesawmanywonderfulthings.OneofthethingshediscoveredwasthattheChineseusedpapermoney.Peo

　　一篇英语完形填空答案

　　Inthe13thcentury,MarcoPolotraveledalongwaytoChina.HewasafamousItaliantraveler.DuringhisstayinChina,hesawmanywonderfulthings.OneofthethingshediscoveredwasthattheChineseusedpapermoney.Peopleinwesterncountriesdidnotusepapermoneyuntilthe17thcentury.However,peopleinChinabegantousepapermoneyinthe10thcentury.

　　PaperwasinventedbyaChineseabout2,000yearsago.HisnamewasCaiLun.Hethenputthesepiecesofpapertogetherandmadethemintoabook.

　　Nowpapermainlycomesfromtrees.Weuseiteveryday.sometimeswewastealotofit.Ifwekeepondoingso,peoplehavetocutdownmanymoretrees.Thentherewillnotbeanytreesleft.Iftherearenotrees,therewillbenopaper.

　　Sohowcanwesavepaper?Whenwearemakingnotes,wecanusebothsidesofeverypieceofpaper.Wecanbuydrinksinbottlesinsteadofthoseinpaperpackets.Wecanalsousecottonhandkerchiefsandnotthepaperones.Whenwegoshopping,wecanusefewerpaperbags.Ifthesalesmangivesusapaperbag,wecankeepitandreuseitlater.

　　Wecanhelptoprotecttreesifwethingkcarefully.Weshoulddoitnow,beforeitistoolate.

　　把我分析分析题目,时间紧迫,我就不打选项了,各位都知道什么完形填空了吧.