To prepare the dictation read it several times and copy it. After that someone can help you to dictate it. Try it until you  make no mistakes. 

On this tour, we see famous Australian sports teams play cricket and rugby. We go sailing and surfing at the seaside. We also go scuba diving off the famous Great Barrier Reef.  

To prepare the dictation read it several times and copy it. After that someone can help you to dictate it. Try it until you  make no mistakes. 

He goes to Nepal to climb Mount Everest, the highest mountain in the world. 

The last 50 meters are the most dangerous. 

It is one of the most important moments in the history of climbing.