题目内容：

根据短文内容和首字母提示，在下文空格处填入适当的词使短文完整，写出空缺处各单词的正确形式。（每空一词）

I had never been on a real roller coaster（过山车）, f1. of speed and heights. The closest I had ever got was a kiddie-coaster when I was six. I had it stopped even b2. we got up to the first slope.

So today I just waited for my friends while they took the 53 mph roller-coaster-riding. As they stepped off the ride, they all tried to talk me into taking the n3. one.

"It's not that scary," added Jackie, "I'll sit next to you."

"Look! This is the s4. ride in the park!" Christina pointed out.

Finally, I gave in and agreed to get on the roller coaster. Of course everyone had come out alive so far, but you n5. know what will happen.

As we stood in line, I got more scared. "It looks really big from down here," I worried out loud. Finally, we r6.  the front of the line. I sat in a seat with Jackie and said that I would not let go of her hand until we were s7. off the ride.

As soon as we started moving, I began to scream and held Jackie's hand tightly. We started to climb the slope toward the highest point of the r8..

It felt as if something had broken. We started falling fast. The wind blew hard and it seemed like my face would blow off. I screamed so loud that I couldn't hear m9. anymore. Oh my gosh, we weren't going to stop! I closed my eyes, never stopping my scream.

CLUNK!

The ride came suddenly to a stop. I o10. my eyes, tired and dizzy（晕的）. My friends looked at me, searching for my reaction.

"Can we do that again?" I asked in a low voice.