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2018̎YCСW(xu)C|(zh)ԇ}5_7

ԴԇW(wng)  [ 20181004 ]   С

12.BF(xin)еġСW(xu)̎šI(y)Ҏ(gu)l

13.AB(yng)˵Ļӣ̎ǽӵ(do)̎eֹW(xu)Сʾԡˡˎ̎ОҎ(gu)ʾԛQġ

14.D}錦O(sh)ЇɫxĻĸĴ_JO(sh)ЇɫxĻĸǡȫγɹͬ;֧

15.BW(xu)oW(xu)` 1718 oW(xu)ֻڲ|̕rֲΑB(ti)ԼЩwоl7 oӢƌW(xu)ҹSѪҺѭh(hun)W(xu)fwĹԭ_Ļ˽.ǬF(xin)W(xu)cl8 orʿW(xu)ƶˌֲķ

16.BR}Ŀ@D(zhun)@̫D(zhun)̫̎λڕr׃ڵϿ̫IJҲ׃(do)³F(xin)ġAȱF(xin)

17.D}ּڿ鿼֪RJ٬F(xin)A 헑(yng)ǖ|hhB 헑(yng)γлӡˢC 헡ͻ𘌡γֻ D 헷}

18.DՓZfӺͶͬСͬ͡Ͷͬ˼fҊԲͬҪ̎.Ҫͬ殐ĻP(gun)ϵxϿ@̎ͬĻP(gun)ϵ߾ͶͬӳĻаԵcABC 헶}ʴ𰸞 D

19.CfǰĿˡͯ¹u߽Ĺ

ܕrg֮·߅ǎrx C

20.B{LȆλ1nm 10-9mڱʾIJLԼ{׼g(sh)

21.C8,12,16,30,18,10 㔵(sh)ƽ(sh)(8+12+16+30+18+10)M6 15.67]б(sh)Д(sh)(12+16)/2=14׺ƽ(sh) Դx C.

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