Rename the default "Office Theme" slide master to "China Dream Master 1" and use the picture "Master Background Picture 1.jpg" as the background. Apply the blank format of "Chinese Dream Master 1" to the slide 1.
Insert the clip art audio "Applause Welcome" into the slide on page 1, only keep the clip audio for the first 0.5 seconds, set the automatic loop playback until it stops, and hide the audio icon when playing.
Insert a new slide master, rename it "Chinese Dream Master 2", and its background picture is the material file "Master Background Picture 2.jpg", and tile the picture into texture. Apply the appropriate layout in this master to the slides starting from page 2.