英语周报高考53期2022年高考英语模拟试题答案

22.解:(1)曲线C2的普通方程为x2+(y+2)2=4,即x2+y2+4y=0,…分所以曲线C2的极坐标方程为p+4sin=0.……………………………3分(2)据题设知,曲线C2为圆,且圆心的直角坐标是(0,-2),半径为2.……4分曲线C1的普通方程为x+y-1=0.….7分圆心(0,-2)到曲线Cx+y-1=0的距离10-2=1-32m…分2所以曲线C2上的点到曲线C距离的最大值为2+2,最小值为20)2,,,,,,9分所以曲线C2上的点到曲线C1距离的取值范围为|32_,322.………………………10分2

第三节One possaParagraph 1After Jach had been gone from the bank for a while, thearms began to ring. The police arrived at the bank vcrquickly, only to find no one there. The next day was areally special day for the town, which was filled with newspaper and TV reporters covering the strange theft. Theclerks at the bank were busy discussing the case, ofcourse, including Jack. The police could only promise tocatch the thieves as soon as possible, even though no clueshad been found vetParagraph 2But the most unlucky man was the manager of thebank. an old man. heblame and was removed from his position. At last, withJack’ s wife was savedack felt guilty about theHe could not forget what he had done to the old man. Hisguilt deepened as time went by. Finally, he turned himselfin to the police and accepted his punishment

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