炎德英才大联考长郡中学2022届高三月考(一)答案

炎德英才大联考长郡中学2022届高三月考(一)答案，目前答案易对网已经整理了炎德英才大联考长郡中学2022届高三月考(一)答案的各科答案和试卷，更多联考试卷请关注本网站。

第二节书面表达Dear peterGood news for you. Our school is going to hold a Chinese Speech Contestwith the theme of my life in China. It will be held in our school lecture hallfrom 3 p. m. to 5 p. m. next Friday afternoon. You can talk about your studyexperiences in China or something interesting that happened to you in ChinaSince vou have lived in Ching Chinese for three years, why don,'t yougrasp this golden chance toHere is some advice for you. First, get well-prepared for the contest bywriting your outlines. Second, don' t get nervous in front of the audience. Itsn't matter whether you win or lose. What matters is that you practice yourChineseYours sincerelyLi hua

4.C【解析】无线充电时手机接收线圈部分的工作原理是电磁感应,A项错误;当给充电设备通以恒定直流电时,充电设备不会产生交变磁场,即不能正常充电,B项错误;接收线圈中交变电流的频率与发射线圈中交变电流的频率相同,C项正确;被充电手机内部应该有一类似金属线圈的部件与手机电池相连,当有交变磁场时,则产生感应电动势,普通手机由于没有金属线圈,所以不能够利用无线充电设备进行充电,D项错误。