英语周报2022年高考英语仿真试题（四）答案

23.(1)2400(2分)(2)丙(1分)(乙电路电流很小,电流表无法读数)(3)如图所示(2分)SaSt(4)先闭合S1、S2,读得电压表的示数为U1;再断开S2,读得电压表的示数为U2(2分)(5)C2U1-U2R(2分)(开关S2闭合前后所设字母不同给2分)

第一节Dear Mr GeorgeI am Li Hua, a volunteer of the activity"Englishi Communication to the Mountains". Now, I'm writing toexpress my sincere apology to you for not being present atthe activity to be held next Monday.The reason for my absence is that I suddenly fell illMy parents sent me to hospital, and I have to stay therefor a week. As for my volunteer work, I have asked myclassmate Tom to do it.Sincerely hoping that you can accept my apologiesYours.Li Hua

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