2022英语周报 0 高二 课标 3答案

第三节书面表达wersionDear Sir or MadamMy name is Li Hua. As an exchange student fromChina, I am studying in a local school. I am reallydelighted to learn that a volunteer for your Chinese culturallic exhibition is required and I'm confident that I amtruly fit for thestart with, my advantage first lies in the fact that IChina and used to beand quite familiar with Chinese relics. Further-more, being an outgoing and optimistic boy, I am good atcommunicating with others and introducing Chinese cultureto the world is always my honor and my pleasure. Finallythere is no problem with my spoken English, as I havelived here for almost a year and I have no difficulty commu-dicating with others in EnglishI would really appreciate it if you can offer me thechance to be a volunteer in your museum. I am looking forward to your early reply.Li Hua

4.D【解析】本题主要考查细胞器功能、基因表达及血糖调节,考查学生的理解能力。第一时相中,胰岛B细胞中暂不进行胰岛素基因的表达,A项正确。第一时相中,高尔基体、细胞膜表面积可能均有变化,B项正确。第二时相中,细胞中与胰岛素基因表达有关的细胞器均处于活跃状态,C项正确。长时间剧烈运动过程中,人体血糖浓度会降低,胰岛素合成酶系会被抑制,D项错误。

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