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小题满分10分)选[文]修44:坐标系与参[章]数方程解:(1)r[来]=1时,曲线1的参[自]数方程为(a为参数[知]),化为直角坐标方[嘛]程为x+y=1由x[答]+y2=P得曲线C[案]的极坐标方程为P=[网]12PP* 0=2曲线2的极坐[文]标方程为cos 26由x=ps,y[章]=psn代入得曲线[来]C2的直角坐标方程[自]为x2分2)设A([知]xyXx>0[嘛],y>0),[答]由曲线的对称性可知[案]矩形ABCD的面积[网]S=4xyS=4 ry=4(pcos[文]. psin0=2ps[章]in 20将p代入得:S[来]=4tan20=4[自]√3→0COs26[知]10分
第二节书面表达【写[嘛]作思路】根据试题要[答]求,考生需要写一篇[案]记叙文,记述身边一[网]位值得尊敬和爱戴的[文]人。首先考生需要介[章]绍自己最尊敬和爱戴[来]的人是谁,简单地介[自]绍一下他(她)。然[知]后,陈述为什么他([嘛]她)值得尊敬和爱戴[答]。最后,可以对前文[案]进行一个总结,使文[网]章结构严谨。本文的[文]写作重点在"尊敬和爱戴的原因",考生可围绕这个要[章]点适当拓展,从性格[来]特点、处事风格等方[自]面展开写作。【范文[知]赏读】The most beloved and respected[嘛] person around me is my teacher, Ms LiThough she has been teaching English for twenty years, she is still passionat[答]eabout teaching.[案] She is kind and considera[网]te towards us just like our dear motherWe all respect her because she always tries new ways to make her classes livelyand[文] interesti[章]ng. Hardworki[来]ng and knowledge[自]able, she is one of the best teachersi[知]n our school. When we have a problem, we will turn to her for help. She alwaystal[嘛]ks to us patiently[答] and helps us to find a solution.[案] In our eyes, she is not onlyour teacher, but also our best friend. Those are why she deserves our respect【亮[网]点词句】亮点词汇:[文] beloved, respected[章], be passionat[来]e about, be considera[自]tetowards[知], turn to sb. for help, in one's eyes亮点句式:[嘛]Why引导的表语从[答]句( why she deserves our respect)
