2022英语周报44期答案

书面表达One possible versionDear PeterI'm writing to invite you to see the Chinese Painting Exhibition to be held in our city.The exhibition will start at 8: 30 am on Saturday and last till 5: 00 pm on Sunday in the city museum It'ssaid that a large number of Chinese paintings, some of which are original works by famous painters like ZhangDaqian and Qi Baishi, will be on display. Besides, there will be various souvenirs to be sold. I know you re veryinterested in traditional Chinese culture, so I can t wait to tell you the news and hope we can go together.Looking forward to your reply.You

入<2,即2解析1)意知-2=经,则0气0)!比】又航圆C经过点H(=21),所以中方=1联立解得a=6?”“一R01所以捕圆C的方程为三y=1.…4分(2)证明:设直线AB的方程为x=my-3,A(x1n),B(a,y),号=,联立( 2)所以=30-1(m 2=2m-1>0 ,9=m ,由题意知,y,y均不为1.设M(xM,0),N(x,0),由H,M,A三点共线知与庐共线,》一由H,N,B三点共线,同理可得xy如马 2;…,………,…8分所以,化简得xM1当y1M=xF,得(xM 3x(1,0),由应=P,同理可得十9参考答案(一中所以 x 3 m 3- 2 3 3所以1 工为定值212分

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