完形填空(共10分，每小题1分)Nowadaysonlinelearninghasbecomeverypopularamongpeople.Onlinelearningisalsocalleddistanceeducation(远程教育).Thosewhowanttolearnsomethingwhethertheyare16oroldallcanhaveth

　　完形填空(共10分，每小题1分) 

　　  Nowadaysonlinelearninghasbecomeverypopularamongpeople.Onlinelearningisalsocalleddistanceeducation(远程教育).Thosewhowanttolearnsomethingwhethertheyare16oroldallcanhavetheirlessonsondifferent17.Somecanevengetalicenseorcertificate(证书)after18thecourses.Thereforethenumberofpeoplereceivingthiskindofeducationisonthe19.Whyisitsopopularatpresent?

　　  The20areasfollows.Foronethingthequickdevelopment(发展)ofthe21hasprovidedmanypeopleachancetotakepartinclassesgivenbyfamousschoolsand22.Foranothercomparedwith(与…比较)havingclasses23.onlineeducationsavesourtimeenergyandmoneyespeciallytothosewhoaretoo24tostudyfulltime.Themostimportantreasonisthatthescheduleortimetableis25flexible(灵活的)thatwecanhavemorechoices.

　　()16.A.tall   B.short   C.old   D.young

　　()17.A.classes   B.grades   C.schools   D.subjects

　　()18.A.finish   B.finishing   C.start   D.starting

　　()19.A.rise   B.fall   C.jump   D.way

　　()20.A.results   B.messages   C.reasons   D.websites

　　()21.A.Internet   B.unit   C.screen   D.mouse

　　()22.A.students   B.rulers   C.teachers   D.guides

　　()23.A.athome   B.atschool   C.ontheInternet   D.ontheroad

　　()24.A.poor   B.energetic   C.busy   D.strong

　　()25.A.very   B.too   C.such   D.so