2022广州市英语周报七年级阅读上海牛津版答案

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4.B【解析】本题主要考查血糖的调节,考查学生的获取信息的能力和综合运用能力。GULT2蛋白能顺浓度梯度将外界葡萄糖转入细胞内,该运输方式为协助扩散,不会伴随着ATP的水解,A项错误;血糖浓度升高会增大细胞内的Ca2浓度,Ca2浓度升高会促进胰岛B细胞释放胰岛素从而维持血糖平衡,B项正确;敲除小鼠的K通道蛋白基因,会抑制K·外流,从而增大细胞内的K浓度,促进胰岛素的释放,可能会导致血糖浓度下降,C项错误;血糖浓度升高通过抑制K外流、促进Ca2+内流从而促进胰岛素的释放,运输K+和Ca2+的通道受阻也会影响胰岛素的分泌,神经递质也能影响胰岛素的分泌,D项错误。

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第二节书面表达【写作思路】根据试题要求,考生需要写一篇记叙文,记述身边一位值得尊敬和爱戴的人。首先考生需要介绍自己最尊敬和爱戴的人是谁,简单地介绍一下他(她)。然后,陈述为什么他(她)值得尊敬和爱戴。最后,可以对前文进行一个总结,使文章结构严谨。本文的写作重点在"尊敬和爱戴的原因",考生可围绕这个要点适当拓展,从性格特点、处事风格等方面展开写作。【范文赏读】The most beloved and respected person around me is my teacher, Ms LiThough she has been teaching English for twenty years, she is still passionateabout teaching. She is kind and considerate towards us just like our dear motherWe all respect her because she always tries new ways to make her classes livelyand interesting. Hardworking and knowledgeable, she is one of the best teachersin our school. When we have a problem, we will turn to her for help. She alwaystalks to us patiently and helps us to find a solution. In our eyes, she is not onlyour teacher, but also our best friend. Those are why she deserves our respect【亮点词句】亮点词汇: beloved, respected, be passionate about, be consideratetowards, turn to sb. for help, in one's eyes亮点句式:Why引导的表语从句( why she deserves our respect)

2022广州市英语周报七年级阅读上海牛津版答案

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