2023英语周报高考总复习四答案

2023英语周报高考总复习四答案已经整理完毕，供同学们学习参考，更多英语周报答案，请关注本网站。

第二节书面表达【写作指导】类型:通知审题时态:一般将来时和一般现在时为主人称:第三人称为主丰富校生活Para.1h陈述举办竞赛的目的增强学生食品安全意识国作思时间:竞賽时间和报名截止时间Pa2赛的时间地点和方式地点学校大礼堂报告厅芋方式:问答Para.3呼吁同学们积极参加【佳作展台】Noticecontest concerning the subject is to be held in our scho. a knowledgeAimed at raising students' awareness of food safetyThe contest is scheduled in the school hall from 2: 00 pm to 4: 00 pmon November 27th. It mainly consists of two rounds. First, all competitorsare required to answer five questions about food safety. The top 20competitors will have the opportunity to compete in the second roundwhere they will be asked another five more challenging questions. If youare interested, please sign up at the Student Union office before November20thLooking forward to your active participation【亮点梳理】亮点词汇: aimed at, awareness, schedule,berequired to do, sign up亮点结构:分词短语作状语( Aimed at raising studIents'awareness ofod safety), where引导的非限制性定语从句( where they will be askedanother five more challenging

6.B解析:本题以T2噬菌体为背景,考查转录、翻译及分子杂交等有关知识。T2噬菌体是一种专门寄生在大肠杆菌体内的病毒,只能在大肠杆菌中复制和增殖,A项错误;据题目分析,立即合成的RNA可以与T:噬菌体的DNA形成杂种链,说明其是以T2噬菌体的DNA为模板合成的,B项正确;题目中提到提取出来的RNA只能和T2噬菌体的DNA形成杂种链,说明大肠杆菌没有合成自身的RNA,C项错误;该RNA是以T噬菌体的DNA为模板合成的,也是合成T2噬菌体蛋白质的模板,D项错误。

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