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sparked a $ ltn tech-stock（科技股） selloff，and people expressed extremely negative andPessimisti57（view),even with a sense of crisis as if the end of the world wereapproaching.aniysxinloawoldbniwliargR1, built on a tight budget yet equal in ability to top US models, demonstrates Chinesetechnological power.ForIfans,58(itarrivalwasnt a total shockDeepSeek,oundedvarious tasks6ldcopywriting to coding.il gnitR1’s impact is greater for a few reasons. Firstly,it’s 62“chain-of-thought” model,improving response quality and boosting its ability 63 (answer)valued queries. It's moreaccessible and free for users and developers,mi64onmakes the performance easier toappreciate for the first time. Secondly,R1 challenges Silicon Valley's AI approach.Us firmsenlarge modelswith more data and power,increasing energy dmands.Rl,however,is 95%cheaper than OpenAI's ol and uses one tenth of Llama 3.1’s computing power, achievingsimilar performance s65(efficient) at an extremely low cost.第四部分写作（共两节，满分40分）inancial第一节（满分15分）H假定你是李华，上周五你们班在学校附近的茶叶基地进行了采茶和制作茶叶的实践活动。请你给英国朋友Bede写一封邮件分享这次经历，内容包括：Sroano1.实践活动的过程[如采摘、萎凋（withering）、揉搓、烘干等]；modmgniz2.你的感想。注意：1.写作词数应为80左右；2.请按如下格式在答题卡的相应位置作答。Dear Bede,I hope this email finds you wellLooking forward to your replyBest regards,Li Hua英语试题第11页（共12页）