2022 英语周报 高三 课标 18答案

第二节Dear peterHere comes a piece of good news. Chinese Suramp, which is intended for intermational students, isgoing to be held in our school this summer vacation. Sinceyou are interested in Chinese culture, I' d like to invite youto join it.The Camp is scheduled to last 11 days, from July 18thto 28th. It covers a wide variety of cultural activities, ran-ging from studying Chinese daily expressions to attendingsome lectures on Chinese history and traditional culture. Awe all know, language is closely related to culture, so Imconvinced that you can dig out Chinese cultural featuresfrom language study. In addition, the Camp provides ahance for you to visit some famous museums, which is thebest way to learn about the country, By admiring the histor-ical relics, you will definitely gain a better understanding ofthe country. If you want to be part of it, please sign up forit before July 2nd at our school websiteLooking forward to your early reply.Li Hua第三节

12.D【解析】该曲线表示CO2对植物净光合速率的影响,植物B在CO2浓度大于100×10-6后,才开始积累有机物,A项错误;两种植物差异的根本原因是遗传物质(DNA)不同,B项错误;分析图像可知,与B植物相比,A植物能有效利用低浓度的CO2,因此在适宜温度、水分和一定的光照强度下,将植物A和植物B放在密闭的玻璃罩中,植物A正常生活时间长,C项错误;两条曲线交叉点表示两种植物的净光合速率相等,即积累的有机物量相同,D项正确

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