读后续写Possible version lI stared at the paper and then looked around. I was cold. Although I could not see my sistersnor the new house, which was hidden from my sight by a grey wall, I got the feeling that I was notalone. Walking along the shore was a tall familiar figure who looked lost in his thoughts. I lookedgain at the paper in my hand, closed my eyes and wishedAs /opened my eyes, I found my father was standing right beside me. Happy birthday, sonhe said, patting my shoulder gently. I smiled up at him and took his hand. Looking back, life fromthat day on marked the start of a close bond and a strong friendship with my father. What was mybirthday surprise? Wishes do come truePossible version 2I stared at the paper and then looked around. On the backside, there was a map. I noticed thatit was clearly leading me in a direction, but who could have sent this? I stood there in silence andstudied it. I decided to follow the map and it led me down the beach until I reached a staircase. Iooked back and could no longer see my siblings. I continued to follow the point on the map, untilI unexpectedly lost my footing and fell zksq down the stepsAs I opened my eyes, I found my father was standing right beside me. Happy birthday, sonhe said, patting my shoulder gently. Then he asked how I had come upon this place? I explained tohim that I had found the bottle in the ocean and when I opened it had the words on it. Shocked bythe message, my father realized what I had found I threw this bottle into the ocean many years agowhen I was alone. he said. I used to come to this exact place to get away from everyone else. NowI get to share this experience with you. What a birthday surprise

6.B【命题意图】本题考查排列组合在实际生活中的应用,体现了数学运算、逻辑推理等核心素养多法解题方法一由题意可知需有2名志愿者安排到同一个小组参加服务活动,有C3A=240(种)安排方案甲、乙在同一小组的安排方案共有A=24(种),所以甲、乙不在同一小组的安排方案共有240-24=216(种).故选B方法二分两种情况:①甲、乙中有1人与其他3人中的1人一起参加一个小组,有CCA种安排方案;②甲、乙每人参加一个小组,其他3人中有2人参加一个小组,有CA种安排方案根据分类加法计数原理可知,共有C2CA4+C3A4=216(种)安排方案故选B法总结解决计数间题,常用两种方法:直接法与间接法.直接法是根据题目中条件,利用排列组合知识直接求解.间接法是先不考虑限制条件进行计算,然后去掉不满足限制条件的情况,从而得出答案

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