Petramaybethetreasureoftheworldhiddenamongmountains.Itsmostbeautifulscenerymakesitthegreatestancientsitestill­standingnowadays.Commonsensesays“Perhapsthere'snothingontheplanetthatresemblesit.”Withoutdoubtthere'snothingintheworldthatresemblesit.Therock­carved(雕刻的)rose­redtownofPetraisfilledwithmysterious_charm;_ithadbeen“designedtostrikewonderintoallwhoenteredit”．

Petraisthemostwell­knownandbeautifulsiteinJordanthatisabout262kmsouthofAmmanand133kmnorthofAqaba.TheDeadSeais80kmnorthofit.ItwasthelegacyfromtheNabataeanswhosettledinthesouthwestofJordanalotmorethan2000yearsback.BecauseofitsexcellentculturebuildingsandmanywaterchannelsPetrahasbecomeaUNESCOworldheritagesiteandoneoftheNewSevenWondersoftheWorldthatattractsvisitorsallovertheworld.

Togetthereyoumustpassthroughakilometerlongcooldarkandnarrowgorge(峡谷)whosetwohighsideskeepthesunlightout.SuddenlythegorgeopensrightintoanaturalsquarecoveredwithPetra'smostwell­knownmonuments(遗址)whichglowinthebrightsun.Theoldtownshowsthevisitorsitsbeautifullook.ItleadspeopletothinkaboutthecreativityoftheNabataeanswhomadePetraastheircapital.

Petraflourishedformorethan400yearsataboutthetimeofRomeuntilithadbeenoccupiedbytheRomanlegionsin106AD.Petrahas800monumentsincludingbuildingstombsbathshallstemplesandstreetswhichweremostlycarvedintheprettysandstone.

Petrasightsareintheirfinestatthebeginningofmorningandlateafternoon.Oncethesunwarmsthecolorfulstones，youwillseethegreatnessofPetrasinceitwasseenfirstwhendiscoveredin1812afterbeinglostthroughthe16thcenturyfornearly300years!

4．Fromthetextwecanlearnthat________.

A.Petraisonthetopofahighmountain

B.Petraisapalaceofthekingintheolddays

C.noplaceintheworldcanbesimilartoPetra

D.theNabataeansbuiltPetrain106AD

5．Whatdoestheunderlinedphrase“mysteriouscharm”inParagraph1mean?

A.Theunbelievablepowertoattractpeople.

B.Allkindsofvisitorsfromtheworld.

C.Anumberofusualpl