按计划免疫程序，小儿接种麻腮风减毒活疫苗的适宜年龄是（）

急性肾炎的典型表现有哪些?

改写病句：Shakespearewrotecomedies,tragedies,romances,andtheplayswhichwerebasedonhistoricalevents.

写信(40points)

Writealetteraccordingtothefollowingsituation:theWenchuanearthquakehasmadethiswinterextremelydifficultforthevictims.WritetotellyourfriendSmiththatyouareraisingmoneytobuy200piecesofcotton-paddedclothingandsomeothernecessitiesfortheearthquakevictims.Askhimtojointhecharityandshowyourappreciationsforhishelp.Don’tforgettotellhimyourphonenumber555-5555forfurtherdiscussion.PleasesignyournameasLiPing.(150-200words)

Themeeting_____nextweekwillbeofgreatimportance.