【peopleallovertheworldeatricePeopleallovertheworldeatrice.MillionsofpeopleinAsia,AfricaandSouthAmericaeatiteverydayoftheirlives.Somepeopleeatalmostnothingbutrice.Riceisakindofgrass.Therearemorethan7000kindsof】

　　peopleallovertheworldeatrice

　　Peopleallovertheworldeatrice.MillionsofpeopleinAsia,AfricaandSouthAmericaeatiteverydayoftheirlives.Somepeopleeatalmostnothingbutrice.

　　Riceisakindofgrass.Therearemorethan7000kindsoftheUnitedstatesandineasternAustralia.

　　Nooneknowswherericecamefrom.Somescientiststhinkitstartedtogrowintwoplaces.TheythinkthatonekindofricegrewinSouthernAsiathousandsofyearsago.SomeoneinChinawroteaboutitalmostfivethousandyearsago.AnotherkindprobablygrewinwestAfrica.OtherscientiststhinkricecamefromIndia,andIndiantravelerstookittootherpartsoftheworld.Therearetwomainwaystogrowrice.Uplandricegrowsindrysoil.Mostricegrowsinwetsoil.Peopleinmanycountriesdoalloftheworkbyhard.Thisisthesamewayfarmersworkedhundredsofyearsago.Somecountriesnowusemachinesontheirricefarms.Thefarmersallusefertilizer.Someinsectsareenemiesofrice.Farmerspoisomthem.

　　Peopleuseeverypartofthericeplant.Theymakeanimalfeedandriceoilfromit.Theyalsomakebaskets,rugsandroofsfortheirhouses.Theyburndryriceplantsforcooking

　　任务：根据短文完成句子,每空一词

　　Farmersgrewrice_____hundredsofyearsage