英语;一、1-5ACCBA6-10BCBAC11-15AACBB16-20CBEDA

　　二、21-25ABABB26-30DCBCB31-35ABABC

　　三、36-40ABDCB41-45ADCAC

　　四、46-50BAABC51-55BADBA56-60DAADC61-65ECBAD

　　五、66.When67.cost68.from69.and70.dogs71.Slowly72.smaller73.never74.his75.understands

　　六、76.Whereareyougoingonholiday/Whataboutyou/What’syourplanfortheholiday…

　　77.haveyoueverbeenabroad/toJapan

　　78.Whatdoyouthinkof/aboutthepeoplethere

　　79.CanyouspeakJapanese

　　80.Hereadnewspapersandmagazines/…

　　七、Onepossibleversion:

　　DearSteven,

　　I’msorrytohearthatyou’vegotadiseasecalledIAD.TheInternetdoesmakeourlifeconvenient,butifyouspendtoomuchtimeonit,itwillbebadforyourhealthandstudy.Herearesomeideasforyoutostayawayfromit.First,askyourself“WhyamIonlinealot?”Thentrytogetonlinenotveryoften.Forexample,usethecomputerorplaygamestwiceaweek.Besides,whynotdosomesports,readbooksorgoshopping?Inthisway,youcanhaveagoodsociallifewithotherfriendsandyouwon’tspendallyourtimeoncomputers.

　　Hopeyou’llbefinesoon.

　　Yours

　　Tom