2022英语周报HZ 高一答案

16.命题意图:本小题主要考查空间线线、线面、面面关系、直线与平面所成角、二面角的平面角等数学(理工类)试题答案第4页(共10页)基础知识,考查学生空间想象、运算求解、推理论证等能力及创新能力;考查数形结合、化归与转化等思想方法答案√⑥6.易知当C位于圆弧AB中点时,三棱锥P一ABC体积的最大,即××ABABab 8即AB=4.PA=2,PB=2√5.由AB是⊙O的直径知∠ACB=90°,即BC⊥AC而PA⊥平面ACB知PA⊥BC,所以BC⊥平面PAC,所以BC⊥PC,则BC2+PC2=PB20.故S△PBC=, BCXPO≤(BC+PC)=5,当且仅当BC=PC=√10时等号成立.此时PC-PA

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)

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