2022新高考英语周报三答案

7.【答案】D命题意图】本题考查圆与双曲线的几何性质:考査数学运算及逻辑推理核心素养b16解析】因为双曲线C的渐近线y=±x被圆x2+y2-4x=0截得的线段长为,则圆心(2,0)到渐近线b22b6的距离a1c=所以3=5b,9c2=25(2-a2),整理得e=25b16C=4,故选D

LIH第二节One possible versionWhen asked by Kevin how he actually survived, Alan gave outImIe thought for a while andked about his unforgettable experience. He told Kevin he didn t know where he was and didt have any supplies at that moment. However, with wind freezing him almost to death, the boy stayed calm. He recalled all theurvival shows he had watched on TV. He built the igloo-like snow cave with branches to stay warm and sleptnight. He ate snow and drank in a nearby river. He made it and was saved.Alan was brought to a nearby hospital for examination Doctors were trying to bring his temperature up andAlan told Kevin that without the skills he learned on TV, he would not have been luckyenough to be rescued. Now he has a great big smile on his face, feeling really grateful for how life has treatedm. what an unforgettable experience

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