英语周报2018-2022初二3答案

书面表达One possible versionDear PeterI'm writing to invite you to see the Chinese Painting Exhibition to be held in our city.The exhibition will start at 8: 30 am on Saturday and last till 5: 00 pm on Sunday in the city museum It'ssaid that a large number of Chinese paintings, some of which are original works by famous painters like ZhangDaqian and Qi Baishi, will be on display. Besides, there will be various souvenirs to be sold. I know you re veryinterested in traditional Chinese culture, so I can t wait to tell you the news and hope we can go together.Looking forward to your reply.You

17,解:(1)因为ADA所以AD12=14(1AB(c2 b2 2bcos∠BAC即4x2=c2 b2 2bcs∠BAcb-2bcCO∠BAC-2b”分所以cOs∠BAC又因为∠BAC∈(0,x),所以6分(2)在△ABC中,一sinA所以b=2sinB,c=2sinC则a b c=√3 2sinB 2sC√3 2sinB 2sin(3-B=3 2sinB /3 cosB-sinB3 2sin(B 3),““…3分又因为0

以上就是英语周报2018-2022初二3答案，更多英语周报答案请关注本网站。