题目

阅读理解Recently, one of my bestfriends, whom I've shared just about everything with since the first day of kindergarten,spent the weekend with me. Since I moved to a new town several years ago, we'veboth always looked forward to the few times a year when we can see each other.Over the weekend, we spenthours and hours, staying up late into the night, talking about the people she washanging around with. She started telling me stories about her new boyfriend, abouthow he experimented with drugs and was into self-destructive behavior. I was blownaway! She told me how she had been lying to her李强走一段30米的路程，第一次走了48步，第二次走了49步，他走一步的平均跨度是0.620.62米，走100米的路程约需要161161步．