4、entChina .A. inthe5thcenturyBC B. twothousandyearsagoC. onethousandyearsago D. inthe4thcenturyBC(2)Between770and221BC, .A. kiteshadawideinfluence B. kiteswereusedasarescuesig
5、nalC. kiteswereusedtosendfamilyletters D. kiteswereinventedformilitarypurposes(3)Whatdoesthelastparagraphmainlytalkabout?A. Kite-flyingisverypopularinChinatoday. B. Kite-flyingisagoodwaytoshowoffskills.C. Kite-flyinghasaverylonghistory. D. Kite-flyingcanhelppeople