2022届卷临天下 全国100所名校最新高考冲刺卷文综三免费答案

2022届卷临天下 全国100所名校最新高考冲刺卷文综三免费答案，目前答案易对网已经整理了2022届卷临天下 全国100所名校最新高考冲刺卷文综三免费答案的各科答案和试卷，更多联考试卷请关注本网站。

书面表达Last summer I joined an international summer camp organized by our school, Teenagers from beijing, HongKong, Macao and Taiwan spent two weeks together happily. We played games and traveled around Nanjing-eThough we came from different places, we started breaking the ice the moment we met. We participated in a lot51(5790WThen not doing outdoor activities, I also invited some teammates, to my home one day. We made dumplingsteam-burilding activities.0and watchedvideos, talking and laughing as if we were a warm family. Actually, in my mind, we have becomeMoly. Though distance separates us, our friendship will always remain.

15.C【解析】由题意可知P=R=()3R1,解得5,所以理想变压器原、副线圈的匝数比n=1:5;由能量守恒定律可知UL=3P,又1=√R,所以U=3√PR,C项正确。