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        1. Ӣҽ̾W(wng) > > }ĿԔ

          }ĿijƼdȤСM^조϶̖İl(f)^̺Ì(sh)(yn)ģMl(wi)ǵİl(f)c(din)ȼĵQֱr̵һȼȼMÓ䣬r̵ڶȼȼMÓ˺ȼȼ(sh)(yn)МyûDDʾO(sh)\(yn)вӋ՚ȫ^ȼȼra(chn)С㶨Д_

          A. r̻_(d)c(din)r̻ص

          B. rg(ni)ļٶȴСٶ

          C. rg(ni)ļٶȴrg(ni)ļٶ

          D. rg(ni)̎ڳؠB(ti)rg(ni)̎ʧؠB(ti)

          𰸡D

          1v-tDAбֱʾ׃ֱ\(yn)ӣбʱʾٶAбԽʾٶԽ󣬈Dc(bio)Sɵeʾλ
          2Д೬ʧصķǣٶȷw̎ڳؠB(ti)ٶȷw̎ʧؠB(ti)

          ߶ȼ\(yn)^еλɈD֪(dng)ٶȵrλ̎c(din)t3r̵_(d)c(din)Ae`t2t3rg(ni)]ȼȼֲӋ՚ʻֻԼٶȵٶBe`v-tDбʱʾٶAбԽʾٶԽɈD֪0t1rg(ni)ļٶСt1t2rg(ni)ļٶȣCe`ٶȷw̎ڳؠB(ti)ٶȷw̎ʧؠB(ti)ɈD֪t1t2rg(ni)ٶȞԻ̎ڳؠB(ti)t2t3rg(ni)ٶȞؓ(f)Ի̎ʧؠB(ti)D_xD

          (x)ϵд
          P(gun)(x)}

          Ŀ Դ

          }ĿDʾijwֱ\(yn)ӵvtDP(gun)wǰ4 s\(yn)rf_()

          A. wʼKͬһ\(yn) B. wļٶȴС׃׃

          C. 2 s(ni)p\(yn) D. t2 srٶٶȶ

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ|(zh)m܇ƽֱ·φ^̵ٶ-rgDDʾOAΞֱABΞBc(din)ƽڙMSֱ֪t1r_ʼ܇Ĺʱֲ׃\(yn)^܇ĴСFff_ǣ

          A. 0t1rg(ni)܇Ĕ(sh)ֵm+Ff

          B. t1t2rg(ni)܇ĹʵڣmFfv2

          C. t1t2rg(ni)܇ƽС

          D. ܇\(yn)ӵv2 1v1

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿDʾwضӋĽY(ji)(gu)ʾDһ|(zh)wĜyPͨ^(x)cˮy(qing)ӋB(qing)ӋҹBcͨ(dng)≺(qing)76cmHgryPڱˮƄҹB̶ȳʹ(qing)ӋABɹܵˮyǡöλڿ̶ȳߵ̶̎θ׃ˮأƄҹBʹAˮyص̶̎˕rCˮyĸ߶ȼɷӳ݃(ni)wض(bio)ڿ̶ȳʹԓضӋyض

          1ijʹԓضӋyҜyֵ21.84˕rACɹˮyĸ߶Ȳ________cm

          2x}Ӱ@ضӋ`ȵ________

          A.yݴС

          B.C܃(ni)ּ(x)

          C.(dng)?sh)صٶ?/span>

          D.(qing)ӋҺwܶ

          3ԓضӋͣĵܷœУœ(ni)(sh)H؞13.65tԓضӋĜyֵœ(ni)(sh)Hƫ______x________֪œ(ni)≺ஔ(dng)ڵ75.24cmߵĹa(chn)ĉ(qing)ٶȞٶȵ

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ׺҃ɂwֱͬͬ\(yn)λsSrgt׃P(gun)ϵDDʾt0~t1rg(ni)

          A׵ٶʼKҵٶȴ

          B׵ƽٶȵҵƽٶ

          CʼKҵǰ棬ֱt1r

          D0~t0rg(ni)ҵǰt0~t1rg(ni)ڼ׵ǰ

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿԭӵܼDʾ֪ҊĹ1.62eV3.11eV֮gf_

          A. ԭӏĸܼn=1ܼSwrl(f)ĹlʱȿҊĸ

          B. ԭӏĸܼn=2ܼSwrl(f)ĹһǿҊ

          C. ԭӏĸܼn=3ܼSwrl(f)ĹlʱȿҊĸ

          D. ̎n=4ܼĚԭB(ti)Swr԰l(f)ɷNҊ⡣

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀy12 V , 5 WСڲͬ늉µĹoģ

          Դ12 V(ni)費Ӌ

          00.6 A03 A(ni)s0.2

          03 V015 V(ni)s15 k

          ׃05

          _P(gun)һ(do)(sh)(yn)ҪСϵ늉ɏ0_ʼ{(dio)(ji).

          (1)Ă·DJ(rn)m______

          (2)ڱ(sh)(yn)̿x_________

          (3)ijλͬW(xu)yСķDʾijΜyrx(sh)0.40 A˕rСČ(sh)Hʞ_____W

          鿴𰸺ͽ>>

          Ŀ Դ

          }Ŀ֪򚤃(ni)늈(qing)̎̎늄̎̎ȡDʾ늺ɾֲڰOxͨ^c(din)cOSABSϵc(din)OA=OBtД_ǣ

          A. Ac(din)늈(qing)cBc(din)늈(qing)ͬ

          B. Ac(din)늄ݵBc(din)늄

          C. Ac(din)oֹ_ʼጷӋĎԓӌֱ\(yn)

          D. Oc(din)늄ܞ

          鿴𰸺ͽ>>

          Ŀ Դ

          }ĿDױʾһкCMt= 17srIJΈDDԓве|(zh)c(din)PӈDɼס҃ɈDṩϢ֪f_____

          AԓIJL1.5m

          Bԓ0.lcm

          CԓĂٶȞ0. 5m/sٶxS

          DP|(zh)c(din)t =4.25srySؓ(f)\(yn)

          EP|(zh)c(din)1s(ni)·̶0.2cm

          鿴𰸺ͽ>>

          ͬ(x)Դ