Unit7
3、456321
4、theydon'tthinkit'sserious,he'llbefine,tellmeallaboutit,whatelsedidhesay，sohe'llbeOK,there'snorealconcern,there'snoneedtoworry.
5、ABBABA
Outsideview
4、DCBDA
Listeningin
6、togiveakidney\moreandmore,aged38,justlikemother,thesamefriends,likeTeresasays,fiveyearsago,mostofthetime.
Unit8
6、gobackpacking,visitthemuseums,workascounselloronasummercamp,what'sabaseballgame,staywithsomefriends,lookafterteenagersfromNewYorkcity,goswimming,raftingandcanoeing,relaxinahotel,dosomesightseeing/
7、Iamtravelingaround,iamflying,areyoustaying,i'llbelookingafter,wearegoing,gobackto,flyhomefromChicago,forsixdays
8、BABABABB
Outsideview
5、CADBBBACCC
Listeningin
2）1、4、5、7、3、6、8、13、10，2，11,12，9
5）ABCA
Pronunciation
4）man,bike,road,border,Mexico,unitedstates,comesup,border,guardstops,points,twosacks,man,shoulders,bags,guard,Sand,man,bike.
