浙江强基联盟2024学年高三10月联考英语试题及答案

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第四部分第二节Iwo davs before my birthday last vear. Dad came home earlv. As usual. Ihelped him carry his bags into his study: When I turned to leave. he said: "Hey. wouldyou like to help me clean my comb? It's been a while since I last cleaned"It hit methen why. as a child. helping my dad clean his comb was such a joy. That routinemeant that my dad was home early to spend the evening with Mum and I. It meantwould watch TV with us or play a few video games with me. It meant a happyloving familyI pass the clean comb back to Dad. I noticed the wrinkles next to his eyes.They are more noticeable when he smiles. but his smile is still as heartw arming asbefore. The smile of a father who just wants a good life for his family. Dad carefullyplaces his comb on top of his wallet. After so many years. he still organises hispersonal items in the same careful way. I guess some things never change. And forthat. I'm glad

16.√2-1【解析】抛物线C1的焦点坐标为F1(0,1),准线方程为y=-1,过P向抛物线的准线作垂线PM,则PM|=|PF1,所以PFL_PM=IPFPF2sin∠PF2M,显然当直线PF2与抛物线相切时,PF∠PF2M最小,即PF2取得最小值,设直线PF2的方程为y=kx-1,代人y=4x2可得x2-4kx+4=0,令△=16k2-16=0,可得k=±1,不妨设P在第一象限(0,4),则y1-0==1,所以x0,即P(2,1),因为P在椭圆上,且F1为椭圆的焦点,所以1+4=1,解得a2=3+22或a2=3a2-b2=c2,2√2(舍去),所以a=1+2,所以离心率为e=x2-1√2+1,