英语周报 2018-2022 高三 外研综合 13答案

书面表达One possible versionDear Mr. Smith.First of all, I would like to congratulate you on your school s sixtieth anniversary. The long history of theschool brings up its outstanding campus culture and educational concept. I take great pride in studying at thisexcellent school. At your invitation, I will perform a Chinese folk dance at the celebration ceremony to expressmy congratulations. Please prepare the audio equipment to play the accompanying music. I will prepare thedance music and costumes myself. I am delighted to be able to make a modest contribution to the promotion ofChinese culture and cultural exchanges between China and the UKBest wishes.Yours truly,Li Hua

146-20=1【解析】由题可设G:4-5=1(X>0),根据题意得4λ+5λ=36,解得入=4,所以C2的标准方程为1620

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