ClimbtothetopoftheamazingSydneyHarboyurBridgeandlookdown134metersatthewaterbelow!This4-hourclimbingtourisfantastic!Bookyourtournow!Tourincludes：Acertificatetoproveyouclimbedthebridge．Aphotoofyouandyourfriend

　　Climb to the top of the amazing Sydney Harboyur Bridge and look down 134meters at the water below!This 4-hour climbing tour is fantastic!Book your tour now!

　　Tour includes：

　　A certificate to prove you climbed the bridge．

　　A photo of you and your friends on top of the bridge．

　　We also offer you：

　　★Special clothes to protect you from the strong wind．

　　★A radio to communicate with the tour leader．

　　★Snacks （for lunch and dinner tour only）

　　★Price are in Australian dollars

　　★Children must be with an adult．At most 2children per adult．

　　★Fpr more information，email us at tours@touraustralia．com

　　28．This is most probably a（n）___．

　　A．invitation B．timetable C..notice D．advertisement

　　29．What can we learn from the article？___

　　A．Children can join in the tours alone if they are above 10．

　　B．It can be quite windy sometimes on the top of the bridge．

　　C．Free snakes are offered to the climbers during the tours．

　　D．It takes at least 4hours to climb to the top of the bridge．

　　30．Mr．and Mrs．Johnson are going to take their twin daughters（aged 11）to climb the bridge this Sunday morning（June 22），How much do they have to pay for the tour？___

　　A．￥480 B．￥560 C．￥640 D．￥880．