Therearemanyunusualhotelsaroundtheworld．TheSaltPalaceHotelinBolivia（玻利维亚）isoneofthem．Thousandsofyearsago，theareaaroundtheSaltPalaceHotelwasalargelake．Butovertime，allthewaterdisappeared．Today

　　Therearemanyunusualhotelsaroundtheworld．TheSaltPalaceHotelinBolivia（玻利维亚） isoneofthem．

　　Thousandsofyearsago，theareaaroundtheSaltPalaceHotelwasalargelake．Butovertime，allthewaterdisappeared．Today，theareahasonlytwosmalllakesandtwosaltdeserts．

　　Thelargerofthetwodeserts，theUyunisaltdesert，is12，000squarekilometers．Duringtheday，thedesertisbright whitebecauseofthesalt．TherearenoroadsacrosstheUyunidesert，solocalpeoplemustshowgueststhewaytothe hotel．

　　Intheearly1990s，amannamedJuanQuesadabuiltthehotel．Hecutbigblocksofsaltfromthedesertandusedthe blockstobuildit．Everythinginthehotelismadeoutofsalt：thewalls，theroof，thetables，thechairs，thebeds，andthehotel'sbar．

　　Thesunheatsthewallsandroofduringtheday．Atnightthedesertisverycold，buttheroomsstaywarm．Thehotel hastwelveroomsandadoubleroomcosts $60anight．

　　Asignonthehotel'swalltellsguests，"Pleasedon'tlick（舔） thewalls"

　　根据短文内容，判断下列句子是否正确，对的填（A），错的填（B）．（10分）

　　51．TheSaltPalaceHotelisunusualbecauseofthematerialwhichitismadeof．___

　　52．NowtheSaltPalaceHotelissurroundedbyalargelake．___

　　53．TheUyunidesertissobrightthatitiseasyforthegueststofindthewaytotheSaltPalaceHotel．___

　　54．ThesaltusedfortheSaltPalacehotelallcamefromtheground．___

　　55．ThewallsandroofoftheSaltPalacehotelgetheatfromthesunandmaketheroomswarmatnight．___．