2022英语周报book4unit3答案

11.ABD【解析】根据v2-=2ax得v2=v+2ax图象的斜率为质点加速度的2倍,质点的加速度不变,代入数据解得a=2m/s2,v=2m/s,AB项正确,C项错误:由位移时间公式x=+河知=2s,D项正确。

写作Dear OliverKnowing that you are returning to your homeland, I am reluctant to saygoodbye to you.【高分句型一】(表达对Over的不舍之情)As for the gift, after careful consideration I recommend you the Chineseknot. Made of red threads, it always represents happiness, luck andunity, though in different shapes. It is a tradition for Chinese to hang it inhouses as a decoration,【高分句型二】 It is usually given as a precious gift toclose friends. I think it can convey your best wishes to your friend.(BF-种礼物并说明原因)Hope my advice can be of some help.(希里)Yours, Li Hua

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