ThereareseveraldifferencesbetweenhighschoolintheUSAandhighschoolsinChina.Foronething,studentswhostudyintheUSAareinChina.Foronethinghoursperweek.therestofthetimewhichtheyspendatschoolisusedforindependentstudy.Withsomuchtime,studentwhomdonotmakegooduseoftheirtimemaynotpasstheirexams.Studentswhotheteachersfailmayhavetotaketheclassesagain.Foranotherthing,manycoursesareclasseswhichthestudentscanstudyjustforfun,butwhichtheydonothavetotake.Finally,studentscanoftenchoosetheirclassesandclasstimes.Somecoursesarerequired,butthestudentscanstilldecidetheteacherwhoseclasstheywishtotake.Theycanchoosetotaketheclassofateacherwhotheylikeorrespect.这篇短文的中文翻译.