下面是某中学高中生20世纪90年代和2005年购买英语资料的对比表,请描述表格内容.

tapesReferencebooksCD/DVDInternet年人均投入

20世纪90年代初33%67%0%0%￥60
2005年15%47%28%10%￥210

1.要求:解释发生的原因(可涉及学生对英语重视程度的加强,科技发展使新的学习产品不断涌现).
2.字数:100左右
参考词汇:对比comparison;购买purchase;支出expenditure
Possibleversion:
ThediagramshowsusthecomparisonofEnglishmaterialspurchasemadebytheseniorstudentsinourschoolintheearly1990sandin2005.In2005thereweremorenewchoicesforstudents,likeInternet(10%)andCD/DVD(28%).Whileintheearly1990stherewereonlytapes(33%)andreferencebooks(67%).Atthesametime,theaverageexpenditureonEnglishmaterialshasincreasedfrom60yuanintheearly1990sto210yuanin2005.Fromthese,welearnthattherearemorechoicesofmaterialsonEnglishlearningandthatstudentsspendmoremoneyonthem.
Somereasonscanexplainthis(phenomenon).First,manystudentsrealizetheimportanceoflearningEnglish.Englishiswidelyusedallovertheworld.Second,sinceChinaenteredWTO,learningEnglishhasbecomemorepopular.Third,asscienceandtechnologyhavebeendevelopingsofast/withthedevelopmentofscienceandtechnology,theselatestEnglishlearningfacilitieshavealreadybeenprovedfarmoreusefulandeffectivethantraditionalbooks.