九师联盟·2021~2022学年高三核心模拟卷(上)五5语文答案

九师联盟·2021~2022学年高三核心模拟卷(上)五5语文答案，目前我们趣对答案已经整理了九师联盟·2021~2022学年高三核心模拟卷(上)五5语文答案的各科答案和试卷，更多试卷答案请关注本趣对答案。

第四部分写作第一节短文改错My father likes play chess and was alayingchampion when young. But he had no one to playwith after living with me A this new city."Finds newInFindplayers around to play with! "I suggested. He refusethem for different reasonsHe seemed to beto doso/itlonely, what made me worried.It occurred to me that how he could play chessonline. So I bought him the smartphone and taughtahim how to use the software. My father played sogood that he was soon acceptinga club. I feltacceptedpride of myself when his loneliness was gone.prouc

解析:由图象可知,电压的周期为0.02s,所以输出电压的频率为50Hz,A项正确;根据电压与匝数比,原线圈电压的最大值为310V,可知副线圈电压的最大值为31V所以电压的有效值U=3122vV,B项错误;滑动变阻器的滑片P下移,接入电路的阻值变小,而电压不变,原、副线圈的电流都变大项正确;滑动变阻器的滑片P下移,接入电路的阻值变小,而电压不变,原、副线圈的电流都变大,输入功与输出功率都增大,D项错误。场强度在x方问上的答案:AC