What type of introduction is the following:

Bang! The crash came from upstairs, just as we had opened the door to come inside. We were all startled because we just got home and nobody was inside the house.

What type of introduction is the following:

I jumped out of bed and threw the blankets aside. I threw on my favorite shirt and shorts and ran downstairs excited for Christmas morning.

What type of introduction is the following:

The rain was pouring down and the Adams family was shivering in the cold, trying to huddle together under their one umbrella. The rain felt like small needles hitting my skin.

What type of introduction is the following:

Have you ever wondered what it would feel like running through the jungle, dodging and weaving branches, running from giant jungle cats? Well, let me tell you about this one adventure.

What type of introduction is the following:

The sun was beating down on me and I was ready to jump into the cold water waiting for me at the pool. Thinking about it, I really couldn't wait for this coming summer!

What type of introduction is the following:

"How are we going to do it?!" he screamed to me, as the water kept flooding from the toilet.

What type of introduction is the following:

Bang! We all glanced up at the kitchen where we heard the noise coming from.

What type of introduction is the following:

The sun was beaming in my eyes, as I stepped onto the hot sand running in between my toes. I dragged my feet through the sand, feeling the sweat drip down my neck as the waves crashed at my feet.

What type of introduction is the following:

I sprinted past second base into third, hearing the crowd scream my name as I sprinted into home! My lungs were on fire as I slid, scraping the rocks on my knees scoring the run!