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        1. Ӣҽ̾W(wng) > > }ĿԔ

          }ĿЪҮ͵ϵϰƝ?yn)l(f)F(xin)˵һw̫ϵǩwR51b@2019ZؐW(xu)wR51bcL(gu)pϵy(tng)Dʾ@ͬĈAOوA\(yn)O(sh)|(zh)քem1m2ңm1m2֪fGtf_ǣ

          A.wR51bc\(yn)Ӿͬľٶ

          B.wR51bc\(yn)֮ܵȞm1m2

          C.wR51bc\(yn)܉İ돽֮Ȟm2m1

          D.wR51bc\(yn)֮Ȟm1m2

          𰸡C

          BDpϵy(tng)ͬSD(zhun)ӵģͬĽٶȺڣ֮gfṩʃͬBDe`

          C(j)t돽֮ȵ|(zh)ȣwR51bc\(yn)܉İ돽֮r1r2m2m1C_

          Aٶ֮ȵڰ돽֮ȣv1v2m1m2Ae`

          xC.

          (x)ϵд
          P(gun)(x)}

          Ŀ Դ

          }ĿĿǰܕrеIJ坍ԭîԴŘOÿʹһƬһƬ\(yn)fʽʹÕrƄӕ(do)ǰͬԴŘOg^СͬԴŘO໥úÓ(ni)NSŘOֲDʾ(jng)^M(jn)ʽ(ni)NSŘOֲDʾʹÕrƬÓP(gun)ڃɷNÓҪԭf_ǣ

          A. ׈DǰͬԴŘOg^СͬԴŘO໥Ó

          B. ׈DǰĮԴŘOg^СԴŘO໥Ó

          C. ҈DǰͬԴŘOg^ͬԴŘO໥СÓ

          D. ҈DǰĮԴŘOg^ԴŘO໥СÓ

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿJ0411늱ʾDABC{(dio)(ji)IJijͬW(xu)ڌ(sh)(yn)yһֵs13k裮yIJE£

          1{(dio)(ji){(dio)Aʹ늱ָָ߅̶̎

          2{(dio)(ji){(dio)Bʹļָıʓ___________λã(x101001k)

          3tڱPքeؓ(f)ɹP໥|{(dio)(ji)ɄӲCʹ늱ָָWķ̶λã

          4ֻPքecyɶM(jn)Мyx(sh)

          5Qyһֵ2025kr(yng){(dio)(ji)Bʹļָ1kλ˕r߀؏(f)E____________M(jn)Мy늱x(sh)Dʾtԓyֵ____________

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ늉yһ(ji)늳ص늄ӄݺ̓(ni)裮ҪMpС(sh)(yn)`

          (1)(yng)ԓxČ(sh)(yn)·LjDе________(x)

          (2)F(xin)(00.6 A)_P(gun)͌(do)ɣԼģ

          A(015 V)

          B(03 V)

          C׃(050 )

          D׃(0500 )

          (sh)(yn)늉푪(yng)x________׃(yng)x________(x(yng)ǰĸ)

          (3)ijλͬW(xu)ӛ䛵6M(sh)(j)±ʾ5M(sh)(j)Č(yng)c(din)ѽ(jng)(bio)D(bio)ϣՈ(bio)һM(sh)(j)Č(yng)c(din)UID_________.

          (4)(j)(3)Dɵó늳ص늄ӄE________ V(ni)r________ .

          (5)(sh)(yn)S׃ƬƄӣ늉ʾ(sh)U늳صݔPl(f)׃иʾD_ӳPUP(gun)ϵ________

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿDaʾKˮƽõĎƽнٱABCһСABgx8cmBCgx4cmACɰքecBB늄ݞ20VF(xin)һ|(zh)ؓ(f)͵PCСןoጷ

          1͵P\(yn)λλÕr늄Լ(jng)vĕrg

          2ijr_ʼAϷxС0.8cm̎ጷһͬ͵Q|(zh)͵ǡBС̎ጷŕrg

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿˮƽϷh=0.8m̎abv0=3m/saƽbQֱ’|(zh)Ⱦ1kgͬһˮƽڴ^f_( )

          A.ؕrĴС

          B.Ēě_

          C.bؕropʧ͵໥Õrg0.1st挦bƽС110N

          D.bؕropʧ͵໥Õrg0.1st挦bƽС100N

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿDʾɂ|(zh)ȵĎСͬڎƽнٰ߅Pc(din)شֱ늈늈A°c(din)Bǡ°߅w늈Ӌt_ʼ뵽°壨Bw늈^

          A.\(yn)ӵĕrg֮tAtB=1:2

          B.\(yn)ӵļٶ֮aAaB=2:1

          C.Ą֮EkAEkB = 41

          D.Ą֮PAPB = 1:2

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿDʾ܇b܇^늵Сl(f)늙C(j)Сl(f)늙C(j)϶һĦС݆^(dng)ҪСl(f)늙C(j)܇^늕rĦС݆o܇݆Dʾ˕rĦС݆܇܇݆ĦD(zhun)l(f)늙C(j)l(f)֪˕rĦС݆c܇܇݆֮gt( )

          A. ܇݆D(zhun)ӽٶȴڴX݆D(zhun)ӽٶ

          B. ܇݆߅ľٶȵСX݆߅ľٶ

          C. ĦС݆D(zhun)ӽٶССX݆D(zhun)ӽٶ

          D. ĦС݆߅ľٶСڴX݆߅ľٶ

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀabcd ĸc洹ֱLֱ(do)MλڈA໥ֱăɗlֱĂc(din)(do)ͨдСͬҊDһؓ(f)늵ӏĈA O شֱڼķ\(yn) 傐Ɲķ

          A. O ָ a

          B. O ָ b

          C. O ָ c

          D. O ָ d

          鿴𰸺ͽ>>

          ͬ(x)Դ