One possible versionThen I wondered whether the man would still be at the same spot. I walked out the doorand back to the street where I had met him. There the man was, at the same spot, knees curledup against his chest, with the same cardboard sign shading his head. I walked down the street,and before I could think twice, I stood before him. He cautiously glanced in my direction.Ismiled and held up the lunch bag. "I brought you some lunch, "I saidI handed him the bag, and he looked closely at it. " Thank you for this. I was praying thismorning, asking for someone,s heart to open. We talked for a little while. As he shared hisstory, there was an, open, honest tone in his voice. There was something about giving thatmade me feel like I was talking with a brother. "I hope you have a nice day, "I told him<"Thank you! It's already gotten a lot better, " he said. As I walked by, his thank fulness hadbecome mind. My day, too, had already gotten a lot better. Anything helps, indeed

22解:(1)4的普通方程为x+y-1=0.…………2分由=3+2,得3+=1,则3(2+y)+2一1,即C的直角坐标方程为号+2=1(2)由题意,的参数方程为(t为参数),6分代入号+2=1,得7=8=1=07分设MN对应的参数分别为,A,则A+一2,8分|+a=1A=a则,pM+PNaAt tr9分t1 Le2410分[备注]1第(1)间中,得到C的直角坐标方程为42+3y=12,不2】第(2)问得到7-8E-16=0后,可以直接求出,其步骤如下设MN对应的参数分别为a1,n2(<4),则t=52-1242+128分Is则=+1-12-4+712+427×243………10分112

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