【Internetiseducational.ManypeoplethinkchildrenshouldbeallowedtosurftheInternetastheywish.Inthiswaytheycanlookthroughdifferentsubjectsondifferentkindsofwebsitesaccordingtotheirowninterest.Butinmyopinionch】

　　Internetiseducational. ManypeoplethinkchildrenshouldbeallowedtosurftheInternetastheywish. Inthiswaytheycanlookthroughdifferentsubjectsondifferentkindsofwebsitesaccordingtotheirowninterest. ButinmyopinionchildrenshouldalwaysbewatchedwhilesurfingtheInternet.

　　Manywebsiteshaveinformationandpicturesthatchildrenshouldnotsee. Therearemanythingsthatchildrendon’tunderstand. Allofthesemayhavesomebad①___onchildren’sdevelopment. Alsoit’sdangerousforchildrentochatwithstrangersalone.④Manyparentstelltheirchildrenthattheyshouldn’ttalktostrangersonthestreetso③theyshouldbecarefulofwhomtheirchildrentalktoontheInternettoo.What’smore sittinginfrontofacomputerforalongtimeisn’tgood②___children’seyessoparentsshouldmonitor（监视）thetimethatchildrenspendontheInternet.

　　Inawordchildrenshouldbekeptawayfromanythingthatcouldbebadforthem.IstronglybelievethatitisnecessaryforparentstowatchtheirchildrenwhentheyusetheInternet.

　　1.在文中①、②处填写一个单词，使得句意完整、上下文通顺。____ _______

　　2.文中划线部分③的(they)指代的是___________

　　3.从文中找出一个描述Internet的形容词。_____

　　4.写出文中④句的同义句，每空限填一词。

　　Manyparentstelltheirchildren______ _______talktostrangersonthestreets.

　　5.IstheInterneteducationalallthetime?____________________.