2019到2022年初一第六期英语周报答案

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)

33.(1)大于(1分)大于(2分)小于(2分)(2)(i)510K;(i)765K【解析】(1)根据理想气体状态方程一=C,得TCpT,即V-T图象中,斜率反应压强的倒数;V-T线的斜率的倒数与压强成正比,可知气体在状态b时压强大于状态a时的压强;由图象可知,气体在状态a时的温度大于它在状态c时的温度,则气体在状态a时的内能大于它在状态c时的内能;根据V-T线的斜率的倒数与压强成正比,可知a到c过程的压强始终都比b到a过程的压强小,而两段体积变化相同,根据W=p·△V可知,a到c过程中外界对气体做的功应小于在b到a过程中气体对外界做的功(2)(i)设水银全部进入上端玻璃管时,水银柱L的长度为x,有S1+S2=xS1,LS,+LS得=9cm,(1分)初态压强p1=p0+pa1+pA2=88cmHg,末态压强p2=po+p2=85cmHg,(1分)L体积V1=-S2=6cm3,V2=LS2=12cm3,(1p,VI peVa由理想气体状态方程72,(2分)解得T2=510K,(1分)(i)继续升高温度气体经历等压过程,则由盖V, V吕萨克定律知一,(2分)其中V3=LS2+(L-x)S1=18cm3,(1分)解得T3=765K,(1分)

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