英语周报2022-2022学年高三牛津HNX第二十期答案

33(1)答案:ADE活寒可无摩擦滑动,外界大气压强不变,故气体为等压变化;活塞缓慢向右移动过程中气体体积增大,故温度一定升高,气体内能增加,故A正确,D正确电阻丝向气体放热气体温度升高,而理想气体内能只取决于分子动能,气体温度升高,分子平均动能增大,故B错误气体内能增大,由热力学第一定律可知,电阻丝向气体放出的热量一定大于对外做功,故C错误气体体积变大,故气体单位体积内的分子数减小时,故单位时间内气体分子对活塞的碰撞次数减小,故E正确。(2)(1)根据液体压强公式p=Pgh得0.38g×A。=pgh(2分)代入数据解得h≈5.2m(2分)(1)封闭气体在地表p一Pg(A,-h)=3pg,V1=1。S,T1=300K在火星表面P=P×0.38X[h,一hm+2(x-1m)],V2=1S,T2=280K(2分)根据理想气体状态方程PIV P,vT TI(2分)联立解得h0.57c即火星表面的大气压强PA-O. 57cmHR(1分)

读后续写Possible version lI stared at the paper and then looked around. I was cold. Although I could not see my sistersnor the new house, which was hidden from my sight by a grey wall, I got the feeling that I was notalone. Walking along the shore was a tall familiar figure who looked lost in his thoughts. I lookedgain at the paper in my hand, closed my eyes and wishedAs /opened my eyes, I found my father was standing right beside me. Happy birthday, sonhe said, patting my shoulder gently. I smiled up at him and took his hand. Looking back, life fromthat day on marked the start of a close bond and a strong friendship with my father. What was mybirthday surprise? Wishes do come truePossible version 2I stared at the paper and then looked around. On the backside, there was a map. I noticed thatit was clearly leading me in a direction, but who could have sent this? I stood there in silence andstudied it. I decided to follow the map and it led me down the beach until I reached a staircase. Iooked back and could no longer see my siblings. I continued to follow the point on the map, untilI unexpectedly lost my footing and fell zksq down the stepsAs I opened my eyes, I found my father was standing right beside me. Happy birthday, sonhe said, patting my shoulder gently. Then he asked how I had come upon this place? I explained tohim that I had found the bottle in the ocean and when I opened it had the words on it. Shocked bythe message, my father realized what I had found I threw this bottle into the ocean many years agowhen I was alone. he said. I used to come to this exact place to get away from everyone else. NowI get to share this experience with you. What a birthday surprise

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