甘肃省皋兰一中2023届高三第二次月考(8067C)文科数学答案

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16~20 GABCF

l2.C【解析】细节理解题。根据第二段But theresearchers,for the first time,went a step further toinvestigate what kind of websites the teenagersfrequented.They found that,in both sexes,veryfrequent visits to social media with negative(负面的)contents were associated with greater mental depressionand anxiety..可知，这一研究第一次调查了青少年经常浏览的社交媒体及其内容。故选C。l3.B【解析】细节理解题。根据第三段Our resultssuggest social media itself doesn't cause harm,but thatfrequent use may disrupt(中断)activities thatpositively influence mental health such as sleeping andexercising,while increasing exposure of young people toharmful contents可知，过度使用社交媒体会中断积极影响心理健康的活动，比如睡觉和锻炼，即会打乱正常的生活节奏。故选B。l4.A【解析】词义猜测题。根据第六段Finding waysto improve the online contents and promote better sleepand exercise is needed to reduce physical andpsychological harms可知，教授说，需要找到一些能够提升网络内容和促进良好睡眠和锻炼的方法，以便能减少身体和心理的伤害。根据remedies focusingonly on reducing social media use to improve mentalhealth might not help可推知，remedies与ways是同义词，意为“方法，措施”。故选A。15.D【解析】推理判断题。根据第一段及下文内容可知，本文主要介绍了一项有关社交媒体对青少年身心健康造成危害的最新研究成果。故选D。