2022届长郡、雅礼、一中、附中联合编审名校卷高三月考试卷七7(全国卷)理科综合答案

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One possible versionThen I wondered whether the man would still be at the same spot. I walked out the doorand back to the street where I had met him. There the man was, at the same spot, knees curledup against his chest, with the same cardboard sign shading his head. I walked down the street,and before I could think twice, I stood before him. He cautiously glanced in my direction.Ismiled and held up the lunch bag. "I brought you some lunch, "I saidI handed him the bag, and he looked closely at it. " Thank you for this. I was praying thismorning, asking for someone,s heart to open. We talked for a little while. As he shared hisstory, there was an, open, honest tone in his voice. There was something about giving thatmade me feel like I was talking with a brother. "I hope you have a nice day, "I told him<"Thank you! It's already gotten a lot better, " he said. As I walked by, his thank fulness hadbecome mind. My day, too, had already gotten a lot better. Anything helps, indeed

9.A【解析】一个物种的形成或绝灭会影响到若干其他物种的进化,A正确;物种之间的共同进化都是通过物种之间以及生物与无机环境的生存斗争实现的,B错误;生态系统由生产者、消费者、分解者、非生物的物质和能量组成,C错误;生物多样性包括基因多样性、物种多样性、生态系统多样性,D错误。