22解:(1)直线l极坐标方程:6=80(0∈R)…2分x=1+cos a曲线C的参数方程为(a为参数,消去a,得(x-1+ sin a即x2+y2-2x-2√3y+3=0,将x=pcos日,y=psin日,代入上式得曲线C的极坐标方程:02-2pcos-23sine+3=0……5分(2)将=代入曲线C的极坐标方程,得p2-2cos6-23 psin g+3=0设M(p,B),N(p2,),则1+P2=2c0s8+23sin日,……7分JOM +ON=p,+p2=2 cos 0+2 3 sin 6=4sin[8+66sin 8o6(32e(2√34)60+N的取值范围为(23410分

第三节One possible versionParagraph 1Finally, afler struggling for a minute or tuo, I still gotpulled underwater. I told myself I should never give upThen I pulled the weed again with great efforts. The weedfinally broke. I swam back to the surface to take a debreath. I saw two young men in canoes, racing each other.I was exhausted and shouted for help. The two men saw meand raced towards me. By the time they reached me, I hadbeen already unconsciousParagraph 2When woke up, I was in an empty room lying on abed. It was not until a doctor came into the room that I realized that I was in a hospital. Jimmy and Bobby told me thetwo young men brought me to the shore and sent me to thehospital. After a few minutes, my parents with half angryand half worried faces walked in. My parents scolded me ifor running out of the house secretly but were also glad thatI was not seriously injured. I will never forget that terrifyingexperience. Neither will I ever want to show off again

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