2022英语周报高二课标第三期答案

12ACD【解析】若AM=AB+方AC,则点M是边BC的中点,故A正确;若AM=2AB-AC,即有AM-AB=AB-AC,即BM=CB,则点M在边CB的延长线上,故B错误;若A南=一B南一C应,即A+B+C击=0,则点M是△ABC的重心,故C正确;若AM=xAB+yAC,且x+y=2,可得2AM2xAB+2yAC,设AN=2AM,由图可得M为AN的中点,则△MBC的面积是△ABC面积的方,故D正确.故选ACD.

写作Ladies and gentlemenTo begin with, please allow me to express my warm welcome on behalf of ourschool.【要点一,表达欢迎】 Aiming to enhance our mutual understanding andexperience different cultures, various activities wil! be arranged【高分句型现在分词作状语】. As planned, we will hold a talent show where everyone canshow their outstanding performances【高分句型二, where引导定语从句】Classes on traditional Chinese culture are also scheduled, such as paper-cutting,Chinese opera, calligraphy,etc, followed by a gifts exchangingactivity. Additionally, you're invited to pay a visit to surrounding scenicspots.【要点二,介绍活动安排】Finally, I sincerely hope that you can enjoy yourself and wish you a pleasantjourney.【要点三,表达愿望】

以上就是2022英语周报高二课标第三期答案，更多英语周报答案请关注本网站。