第五课时SectionB(2a3b)T.根据首字母及汉语提示,完成下列单词的拼写。1.Ninetyp(百分之火.)ofthestudentsalyaysusetheInternet.2.Canyoutelmether(结果)ofthestudentactivitysurveyinourschool?3.MoYanisafamousw(作家)inChina,4.Exerciseishealthyforthem(头脑)andthebody.5.Theteachercamein(宏过)thefrontdoor,