- 问题详情:Nooneknowswhenthefirstkitewasmade.Thefirstrecordofakitewasmorethan2,000yearsagoinChina.HanXin,theleaderofanarmy,wantedtobringdownaking.Hedecidedtodigatunnel(隊道)intotheking’spalace.Heflewakiteoverthewallofthepalacetomakesurethelength(长度)ofi...
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