[烟台三模]2022年全国新高考Ⅰ卷模拟试题历史答案

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8.【答案】D【解析】由(FF2+FA)F2A=0知,△AFF2为等腰三角形, AFEFE22c,由双曲线的定义知,|AF2=2a+2c,设∠AF2=O,tanO=-3√7,cosOSIn=3,做FM⊥AF2M为垂足,则sin0a+c.a+c3cos 6 3222=2,故选D

第三部分写作May I have you attention, please? Now that we have fini shed lunch, we are going to relaxhere by the Rush Lake, enjoy the scenery and taking some pictures, like you wish. At 2: 30p, m, we are going to get back on the bus for the short onehour rides to Cloud Peak ProvinciaPark, the higher park in Ontario. We will be stop there for 2 hours. However, remember at5:30 p. m. we will board the bus again for the more(ax more) faster 30-minute ride back to ourmuchhotel for dinner. So make sure not A be late for the bus. This evening there will be the danceparty, there I am sure we will have an exciting time. Thats all Thank you!where