2022英语周报新课标31期高一答案

FG审题指导理解用户的用电器是并联关系是关键,抓住电网的电压不变,运用变压器及闭合电路的基本知识解答。解题思路用户的用电器是并联关系,当用户的用电器增加时,R接入电路的阻值减小,选项A错误;电网电压不变,则V与V示数都不变,R接入电路的阻值减小,A2示数变大,由知A的示数也变大,选项B错误;由闭合电路的欧姆定律有U2=U1+l2R0,V2示数不变,则/44八~R,选项C正确;变压器上的能量损失可以忽略,则C=U即,=元,选项D错误。

24.A推理判断题。由文章内容可知,本文是说吃播节目引起的食物浪费,所以在文章的开头提到Liulingyang是为了通过介绍吃播节目,引出食物浪费的话题。故选A项。C词义猜测题。根据画线单词所在句子的前半句food- wasting food shows are misleading可知thriftiness的意思应与 food-wasting相反 eating smartly意为“聪明地吃”: living healthily意为“健康地生活”;being economical意为“节俭的”: valuing food意为“重视食物”。放选C项26.C细节理解题。根据文章第五段中的 But as the market became more profitable, some people who can 'treally eat a huge amount of food, but still wanted to grab the money from audiences and advertisers,began to tum to fake eating可知,博主做吃播节目是为了赚钱。故选C项。27.D推理判断题。根据文章最后一段最后一句several live-streaming platforms have announced that theywill strengthen inspection of food shows, while some live-streamers voiced opposition to food waste andadvocated thriftiness可知些直播平台已经宣布,他们将加强对食品节自的检查,而些直播者则表示反对食品浪费,并主张节俭。由此可推断,吃播节目以后将会被仔细监管。故选D项m

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