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        1. }ĿijУƼ(sh)`F(tun)(sh)`O(sh)СIJ^(gu)

          СȡώṩĈAμ(x)Fh(hun)ҵAOҳAOһlֱ(bio)ӛABD1y(c)AB8

          ڌAh(hun)M(jn)зʹc(din)BڈAOλ۲ֵĈAh(hun)δ۵ĈAh(hun)a(chn)c(din)քe(bio)ӛCDD2

          һ(x)zBCDc(din)D3

          Ӌ(j)zCDL(zhng)ȣ

          СӋ(j)zCDL(zhng)Ȟ飨

          A. 4B. 2C. 2D. 3

          𰸡A

          OECDEOFCOCFǵ߅μɽQ(wn)}

          OECDEOF

          CDֱƽOF

          COCF

          COCFOF

          OCFǵ߅

          OC4

          CEOCcos302

          OECD

          CEED

          CD2CE4

          xA

          (x)(c)ϵд
          P(gun)(x)}

          ĿД(sh)W(xu) (li)Դ

          }Ŀ±ӛһTPͶ@ĽY(ji)@ôTͶ@һͶеĸʼs( )

          Ͷ@Δ(sh)

          10

          50

          100

          150

          200

          250

          300

          500

          ͶдΔ(sh)

          4

          35

          60

          78

          104

          123

          152

          251

          Ͷl

          0.40

          0.70

          0.60

          0.52

          0.52

          0.49

          0.51

          0.50

          A. 0.7B. 0.6C. 0.5D. 0.4

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿijЌ(sh)ʩa(chn)I(y)(zhn)ؚؚ(h)аɽNֲijƷN֣֪ԓֵijɱr(ji)6Ԫ/ǧի@(ji)ͶЈ(chng)N(xio)ەr(sh){(dio)Ј(chng)l(f)F(xin)ԓֲ(hu)̝ÿN(xio)yǧˣcN(xio)ۆ΃r(ji)xԪ֮gĺ(sh)P(gun)ϵDʾ

          1ycxĺ(sh)P(gun)ϵʽ(xi)xȡֵ

          2(dng)ԓƷNֶr(ji)ٕr(sh)ÿN(xio)۫@õ(rn)(rn)Ƕ

          3ijr(nng)(h)깲ժ12000ǧˣԓƷNֵı|(zh)ڞ50գ2N(xio)۷ʽܷڱ|(zh)ڃ(ni)ȫN(xio)@Ո(qng)f(shu)ܣ(yng)N(xio)ۃr(ji)Ԫr(sh)N(xio)ܫ@(rn)

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }Ŀڔ(sh)W(xu)dȤСM(dng)УСM(jn)Д(sh)W(xu)̽(dng)߅L(zhng)2ABCDc߅L(zhng)2AEFGD1λ÷ADcAEͬһֱABcAGͬһֱϣ

          1Сl(f)F(xin)DGBEՈ(qng)f(shu)ɣ

          2D2СABCD@c(din)Ar(sh)D(zhun)(dng)c(din)BǡھDGϕr(sh)Ո(qng)˕r(sh)BEL(zhng)

          3D3СABCD@c(din)A^m(x)r(sh)D(zhun)DGcBEཻc(din)H(xi)GHEcBHDe֮͵ֵ(jin)Ҫf(shu)ɣ

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿСƽQ110I(xin)YV(du)нO(sh)M(jn)D֪бABL(zhng)60½(BAC)45BCACF(xin)Ӌ(j)бc(din)D̎ȥб£޽һ(g)ƽˮƽCAeƽ_(ti)DEһlµбBE(ɂ(g)С}Y(ji)̖(ho))

          (1)޽бBE±Ȟ1eƽ_(ti)DEL(zhng)Ƕ

          (2)һGHxAc(din)33h(yun)(AG33)СDc(din)y(c)ý픲H(HDM)30㣮c(din)BCAGHͬһ(g)ƽ(ni)c(din)CAGͬһlֱϣHGCG(wn)GHߞף

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }Ŀ҅^(q)ijЌW(xu)_(ki)չ(hu)xăr(ji)ֵ^vِ(dng)ţ1ţ2(j)ِɿ(j)x5xօӏ(f)ِɂ(g)x5xֵď(f)ِɿ(j)M(mn)֞100֣Dʾ(j)DД(sh)(j)QІ(wn)}

          1ţ1(f)ِɿ(j)λ(sh) ֣ţ2(f)ِɿ(j)ı(sh) 

          2СͬW(xu)ѽ(jng)˾ţ1(f)ِƽɿ(j) =85֣S2= [85852+75852+80852+85852+100852]=702Ո(qng)ţ2(f)ِƽɿ(j)x2ͷS22

          3(j)2Ӌ(j)Y(ji)Ă(g)༉(j)ď(f)ِɿ(j)^

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }Ŀһֻﹲ3(g)2(g)1(g)tɫͬ

          1һ(g)ǰĸǶ

          2һ(g)Żӣһ(g)ɴĶǰĸ(hu)(sh)D

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿDL(zhng)ɳ}(cng)(gu)HBC_(d)452mĿǰʡһߘ̎ͬһˮƽϵĵڶߘDE340m˜y(c)ߘBCϰl(f)ABĸ߶ژDE׶Dc(din)y(c)AǞ픶Ec(din)y(c)AǡAEF=45

          1O(sh)ABxףՈ(qng)úxĴ(sh)ʽʾAFL(zhng)

          2l(f)ABĸ߶ȣcossintan

          鿴𰸺ͽ>>

          ĿД(sh)W(xu) (li)Դ

          }ĿD֪タ(jng)^(gu)c(din)

          タĺ(sh)_(d)ʽ

          タc(din)(bio)

          D1c(din)Dǒタһ(dng)c(din)^(gu)DySƽоDEֱABc(din)E(dng)r(sh)Ո(qng)ֱӌ(xi)Dc(din)ęM(bio)

          D2(dng)DֱABϷタһ(dng)c(din)r(sh)FO(sh)ACc(din)MBBDBMǷc(din)Dʹһ(g)cՈ(qng)ֱӌ(xi)c(din)DęM(bio)Ո(qng)f(shu)ɣ

          鿴𰸺ͽ>>

          ͬ(x)(c)