2022教育周报英语聊城专版七年级答案

7答案)(每空2分,共8分)(1)胰岛素或胰高血糖素体液调节(2)激素B对下丘脑和垂体的反馈抑制(3)神经递质和淋巴因子命题意图本题考查生命活动调节中血糖凋节和体湿调节的相关知意在考查考生的理解能力、综合运用能力和获取信息的能力解题思路(1)由图分析可知,激素A、B、C分别是促甲状腺激素、甲状腺激素、肾上腺素,激素D是胰岛素或胰高血糖素。葡萄糖分子能够刺激胰岛细胞分泌激素调节血糖含量,这种血糖调节方式属于体液调节。体内需要源源不断地产生激素,以维持激素含量的动态平衡。(2)机体受到寒冷刺激时,下丘脑分泌促甲状腺激素释放激素,作用于垂体,促进垂体分泌促甲状腺激素,作用于甲状腺,促进甲状腺分泌甲状腺激素。随着激素B(甲状腺激素)的分泌量增加,激素B对下丘脑和垂体的反馈抑制作用增强,引起激素B的分泌量减少。(3)在神经—体液—免疫调节网络中,类常见的信息分子是神经递质、激素和淋巴因子

第二节读后续写( One possible version)Finally, the day came. Anxious but excited, I spent the whole day cleaning the house andpreparing the food. With everything ready, all guests arrived one by one. within the next hourand a half, I had six complete strangers laughing, eating, and drinking at my apartment. Musicwas playing, the conversation was flowing, and new friendships were being formed. It wasincredible. One of the people, whom I messaged on Instagram, told me this was one of the mostfun New York City experiences he'd ever had. All enveloped in a curtain of darkness, it was timeto say goodbyeWhen everyone had left, I sat down and processed what had just happened. I couldn,'tbelieve that 48 hours before I didnt know any of these people, and now we were all laughing andtalking like we'd always been friends. It was a really enjoyable and unforgettable experience forme. It also made me realize that doing something kind for strangers isnt awkward butmeaningful. Whether it's paying it forward with a cup of coffee or simply smiling at a stranger,random acts of kindness do make the world a little better (173 words)

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