砺剑·2023相约高考 新高三培优卷(三)3英语答案

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During the Spring Festival,I watch a sci-fi movie The Wandering Earth with my friends.The moviewatcheddirect by Guo Fan is very popular in China.It is set in 2075,where the earth is no longer safe to live A.Unlikedirectedwhenonmost western movies,the heroes do not give up the earth.Instead,they choose to save the earth by send it tosendinganother solar-like system.I was deepimpressed by the three generation of a Chinese family.They devotedeeplygenerationsthem to the mission.I think the movie is quite worth seeing it,but it made a great impression on me.themselvesand

17.(1)HC1O(1分)；AD(2分)(2)CIO2;c(各2分)(3)①5.0②C(各2分)解析：(3)①配制500mL0.04mol·L1ClO2溶液需要n(CO2)=cV=0.04mol·L1×0.5L=0.02mol,根据反应4CO2~5NaC1O,m(NaC1O2)=0.02molX号×90.5g·mol1=2.2625g,泡腾片的质量为m0002_226253=5.0g45.25%45.25%