so crAo DVC vA DAo r4o LAO CAT EE T}II cuiNn TIITIC xt rur cHeN r{ec srNH cr0r cAr riFru Lop e rHCS xAna 2013 Mdn: Llch sfr Thdi gian: 150 phirt (Khdng k€ thdi gian giao di) \ Nga_y thi: 2810312013 (DA thi gdm cd 01 trarug, 06 cdu) L LICH SrI VIST NAM (14,0 DrruM) Cf,u 1: (2,0 tli6m) Lpp bAng thdng kd c6c cuQc khane chii5n vA cuQc kh6i lghia chdng xAm luo'c ti6u bi6u cira df,n t$c ViQt Nam i*ong giai dopn ttI th6 [i X een ttrti t<i XVru. theo v6u cA Cfiu 2: (2,0 tli6m) So sdnh phong trdo Ddng Du vd cuQc vpn dQng Duy TAn 0 Trung Ki. Tir do rut ra ndt mdi cta phong trio y6u nu6c dAu th5 ki xx 0 viQt Narn? C6u 3: (4,0 di6m) Nguy6n Ai quoc d5 truc ti6p chuAn bi vA tu ffong, chinh tri vi td chiic cho sp ra dli ctra chinh DAng v0 s6n e viCt Nam nhu thti nio? Cfiu 4; (6,0 rlitim) Chrmg minh T6ng khoi nghia thang Tdm n6m 1945 thenh c6ng dA k*iing dinh sp 16nh dpo kfp thdi, s6ng t+o cria Ding C0ng san DOng Duorg vi liinh tp HO Chi Minh. Vi sao n6i cdch m+ng thang T6m thanh cdng li mqt sp kign vi dai trong lich sri ddn tQc ta vd ld sg kiQn c6 y nghla thli dpi s6u s8c? il. LICH SrI rnt GItrI (6,0 DrEM) CSu 5: (2,0 di6m) Vi sao Cach *.arg thang Muoi Nga nflm lglT dugc d6n]r gi6 ld rnQt str kiQn lfch su vi dai nh6t trong lich su nh6n lopi o th€ ki XX? Cffu 6:.(4,0 di6m) J nghia vd tdc dOng ctra cugc cdch mpng khoa hpc - i<? thu0t ttr n6m 1945 d6n nay dOi vdi cuQc sOng ctra con nguoi? Ghi chir: - Thi sinh khdng str dpng tii liCIu. - Cdn bQ coi thi kh6ng gi&i thich gi th6m. theo y6u c6u sau: TOn cu$c khrlng chi6n, cuQc kh6'i nshia Thbi gian l.lgud'i lfinh ilpo Nhflrng chi6n thfing r.^ " e. ueu breu Trang I s6 crAo DVc vA DAo TAo r,Ao cal xt rm cHeF{ Hgc srNH cror cAp TiNH. Lop 9 THCs r\Aru zots rhoi gian: 150 ,^y:t;#li,r* sian siao de) Ngdy thi: 2Bl03 tZ0tJ ( DA thi gim c6 0I trang, 6 cdu ) Ceu I (24iti4g): MQt ngudi di xe dap tr6n dopn dubng thang MN. Nria do4n dulng dAu di vcri v4n t6c v1 = l Skrn/h. Nua doan doorrg ,*r, ngoli d6 di theo hai giai dopn: Trong nria thoi gian dau di vdi vfln tric v2 : iot*lt , irru firoigiun ,r., rli v6i vpnidc v3 : gkmlh. Tinh vfln t5c trung binh cria nguli A:O t C" c6 quflns ducms. csu 2 (2aiem): {sugi.1a tha m0iq;:Ar;* qf;,i, vao.m6t binh chria nu6c thi th6y th6 Ithrflffi,;+u bi ngap sa% w1i a'i,p,g ,h6t;#bi;. ;idffi;i"n*'.,*g cira n*dc rd a) Xric dinh trqng ltro. ng ri0ng cria qui cAu. b) Nguoi ta ilt'p tuc d6 them-oi, ,ao bi3h cho r6i khi qlia ?1'bj lean hoan toan. Xric djnh ti sd gifra phan tho tich cria qua cau.bi nsap.t,.ong nu6c v6i phan trrei,"r, qt,a cdu bi ngflp trong d6u khi qui ciu o 1r^+rq thii cen uare."Bici;ilil,"i,*liun* cria dAu ra 8000N/m,. Qa+,3,(adi6mh MQt th6i nu6c d6 c6 ttroi luqn! *, J?oos o nhiQt dq -100c. 3)J*h-ohiet lup.rg cA: crrng c6p dc th6i ,;;;,ra'uio* thanh hoi hoari todn 0 i000c. cho bi0t nhi-0t dung rieng cria nudc d6 vn ",iu ""J* ia"lrrnila c1 :2100J/kg.K, cz = 4200J/kg.K, nhiot h6a hoi cita nudc & 1000c li L : 2,3.106L1kg, nlrigt n6ng ch6y cira nu6c d6 & 00c ii r: 3,4.10sJ/kg. b) 86 th6i nudc dri tr€n vio m$t xd nhdm chfta rn2 gam nu6c 6 zaLc,sau khi c6n b6ng nhi9t Lg?9j ta thdy cdn s6t lpi 50g nu6c Ja. rinn tuqrig"nuoc trong xd hic dAu, bi€t x6 nh6m c6 khdi luqng F, : t 00g vd nhiQt du,g rieng cna iioir la c; :;;,r;*.;i. *'" Cip 4 (6tli6rn) Cho mpch dign nhu hinh vE, trong d6 U = 24y, Il : ,iP,R: : ?9r & Ia mQt bitin tro, & : 60, a*p; Ke co drQn tro nho kh6ng d6ng k6. a) Cho $, = 6Q. Tim cucrng CO ,lOne dign qua ciic di6n ho vd s6 chi c[ra ampe k6. - ' e I fnuy ampe ke bang v6n k6 c6 <liQn tro v6 cirng l6n. Tj* & d0 stl chi cria v6n t<6 ta f gV. Neu R3 tdng l6n thi s6 chi cria vdn ktl tang hay gi6m ? EE THI CHiNH THUC ceu 5 (4tli6rE): vpt AB d?t tru6c m$t thdu kinh c6ch thdu kinh 30cm cho 6nh A,B' la anh thal Dli vat d6n vi tri khric, 6nh cria vflt li inh 6o crich th6u kinh 20cnr. ThSu kinh c6 tieu cu 20cm. a) X6c dinh lopi tn::-ol$ Nguli ta dich vpt lpi gAn hay ra xa rh6u kinh mgt khoang bao nhi€u so v6i vitri han d6u ? a "*J b) So srinh chiAu cao hai 6nh. Cf;u 6. (2di6m): vdi mQt lpc k6, m0t ca nudc vi mgt vqrt b6ng kim lo4i hinh ilang b6t ki. Em hfly trinh bdy phucrng dn x6c dini th6 tich vpt d6. '- i-' IJBND TTNH LAo CAI so GrAo puq vA EAo r.lo ri rur cHeN Hgc srNH cr6r cAr rimu Lop 9 THCs, wAwI Hec zotz-zot3 Di thi chfnh thrfrc Khda thi rugay 28 ttuing 03 ndm Z0I3 rhdi gian tdm bdi: Xf,r;ytfr:#,rdi gian gno di) @e thi g6m cd Ot t ong, OZ c,fri) Cf,u 1 (s di6m) Tir xuq 6ng cha ta d6 dvy: Ldi ehdo cao hon mdm c6. vby mi trong x6 hQi nay, vi$c chio hdi lpi it dugc quan t6m. HEy n6u suy nghi cria ern ud ufi Ad ndy. Ciu2(12 di6m) Tr€n dinh Y6n Son cao 2600m, anh thanh ni6n ldm c6ng tric khi tugng, quanh n[m ldm ban yoi cdng viQc, voi cd c6y vi m6y mir lanh 16 nh,mg mri gFp 6ng hqa fl {i} Tfi "6o kheng W: j'c.h6u sSng thAtfrarqphirc,, (Lqnsla so iL Nguy€n Thdnh Long). Ngodi bi6n khcyi, trong ae* t6i, v6n c6 nhimglon nguoi h6rrg say drlnh c6 ctng {6"s hdt (Dodn thrrydn ddnh cd- Huy c,in). x y ? ruii-cyo, bi6nxa hay chdn trdi gdc ba,nao long nhtrng con ngudt $, v,2n gqp ruhau d.ld sdng cao dgp. Brrrg nhttg hi6u bitit.G.* vA c6c ,rra" uat T:"e truyQn ngtn Ling 16 Sa i'a cta Nguy6i Thanh Long vi nhinrg ngucri lao d0ng trong bii tho Doin thuydn d6nh c6 sria Huy Cgn , iay lam sringlO nherr xdt tr6n. Ghi ehri: . Thi sinh khdng srh dyng tdi li€u. t Cdn b8 coi thi khdng gidi thich gi thhm. ttdt so crAo DUc vA DAo TAo at. LAO CAI rt rur cHeN ruec srNH GrCIr cAp riNrr LO? 9 THCS NANA 2013 M6n: SInm HOC Thoi gian: 150 phy {fh6ns ki thdi gian giao di) Ngdy thi: ZBI0J t}Lts (Ei thi gim c6 02 trang ) C6u 1; (I,0 di6m) " Hay md ta thi nghigm chring minh nu6c vi mu6i khoang .hda tan duqc v4n chuyen tu rE l6n than nhd m4ch gdt: 'L!vv CAu 2: (1,0 di6m) q cho c6c dong vflt sau: cii c6.c T? D.*g, c6 voi xanrr, Trurrg roi, R6n nu6c, Mirq, *X#at#ffi ,fl,; $.,ru;r'sp ;6'r,,ri e iao c6c Ga,h;lq, ;;-"rld ;;';-" Cflu 3: (2,S tliiim) ,rru raJ#Hfrft#" cAu tpo ndo cfla ruQt non girip n6 dam nhigm tdt vai trd h6p b' Giei thich vi sao ngudi say rugu thucrng c6 hign tuo. ng ch6n nam dii ch6n chi6u trong lirc di? CAU 4: (0,5 di6rn) ' Em hav dr11ra cin bi$n ph6p girip cho hg ccr vi hQ xucrlg phrit trii5n ph6t trion c6n d6i Vd klfde mpnh? r (r 'r * '-Y Yv vq uv ^Lruuts Prrill Cf,u 5: (3,0 di6m) Lai hai ddn8^.101 siim: tu6i th6n den crinh ng6n v6i ru6i th6n xrim crinh dai. 6 Fr thu duo.'c I00% ru6i th6n den c6nh d;tii6;;ai';6p tinh tr+ns ntor r.e, m6t c{p Nsr, ph^n ly dqc tpp v6i ntrau. Tinh trpng irOi fa trni;;; todn. a' cho ruoi F1 giao phdi "oi *ti tht';;;canhngan. virlt scr cT6, x6c dfnh k6t quA o'F6? b. cho ru6i F, giao phtii v6i ru6i th6n den cirnh ng6n di ha.p mgt c4p gen. vi6t so d6, x6c dinh ktlt quA o f6Z' CSu 6: (3,0 rli6m) a' MQt tti bao sinh dirc dpc vd mQt td bdo sinh dirc c6i cua mQt lodi cung nguy6n phan vdi s6 tan uang nhau. caciii bdo con dusc ru" , Jjr rh#r*lru* ph6n cho t6ng c6ns 180 giao tu dlrc vi cdi. X6c dfnh ,it',h il,,!; ;;;il;'#h? "u.r b' MOt tc ua.o ctra rudi giam ti(in l1nh "drEn ptran fi6n tiiip 2 mn. cric d bdo con tqlo ra ph6t tridn thanh rinh ba; bac I vd_ti6n halligiam phan binh thuong. Xdc ctinh sO tintr trung dugc tpo thanh? Hfly x6c crinh s6 lugng vd trpng th6i Nsr trong cd,c t6 bio khi da4g o kj,gita vi kj, sau cria gi6m phan II lAn fnan Uao".rdii Trang_ I Cflu ?:,(4,5 di6m), . , . :,. :. Mqt gen^'B',c6 ohi6u ddi 510040 vd c6 20Yo ad6ntrr. Mpch 1 cria gen c6 T * X : 42Yo vit T- X : 6Yo. ' a', Tinh.s6' luong tur.rs loai nucl66tit tr6n mdi m4ch do'n cua gen? b' Gen B bi dQt bi6n thanh gen b dudi dqng thay thti m$t c6p nucl66tit. Tiltr s6 1i6n k6thick6 cira gen,b. a - 1 Q 't * ^-*Y- -:'r o, Gen B bi d0tbi6n thanh gel b dudi dpng thay thti m0! c6p nucleotit. Tinh s6 nucl60tit m6i lopi m6i trudng curg "ap khi gen u niran doi uco ti6" iia". d. Eoq.n gen trOn do t6c ct0ng cdra tia tu ngo4i d5 m6t di 3 c6p nucl66tit li6n ti6p t4o thdnh g"o ". Tfnh ,i5 lucr. ng axiiamin c6 tron! i "hr6ffri" tian chinh md gen c tpo thanh C6u 8: (1,0 tli6m) Ei6m g16ng nhau vd kh6c nhau gifl'a bQnh Dao vd b0nh Tocno ld gi? Cf,,u 9: (1,0 di6m) Th6 nio ld hiQn tugng uu th(5 lai? Gi6i thich co s0 di truyAn cta hiQn ruo-ng uu thtS lai? CAu L0: (2,5 tti6m) ,, a, Qudnth6,c6 s6c d6c trung ndo ? Epc tnmg ndo ld os b6n ntr6t t vi sao? b. Gie sri c6 c6c loii sinh v0t-sau: C6, Th6, DC, Chinr,;[n sdu, s6u hpi thpc v6t, H6, Vi,sinh vpt, IVIionurg HEy v6 so ao nroi thri'c 6n cho c6c sinh v0t tr6n? Trang*2 so crAo n L c YA EAO T40 O CAI a,PuAN rcBu rglfc(l3,s urnm) Ciu I (2,5 tli6m) a. Trinh bdy sp vpn dQng t$ quay quanh trpc cua TrSi DAt vd c6c hQ qu6' b.Vi sao harrg ngdy chirng iu ntin thAy hiQn tugng M+t Trbi mgc 6 phia DOng, 14n e phia TAY? c. Cho bi6t c6l ngdy: Hq chi, D6ng chi, XuAn phin,Thu phdn 1& nhfrng ngey niro? Cflu 2 (4,0 tli6m) a. ,oTham gia vio ASEAl.{,Vi't Nam co dugc nhiAu co h$i dA phat tri6n.d6t nudc nhung ,flG gap nhflmg th6ch thirc r6t 16n". Em h6y chimg minh nhfin dinh tr0n. b. vi rri dia li nu6c ta c6 thupn lgi, kh6 kh[n gi cho c6ng cuQc xay dlrng vd bAo vQ Td qu6c hiQn naY'? Cflu 3: (3,5 tli6m,) . . , .: ^ ^i -::: tpi'sao giai quy6t viQc ldm dang ld v5n d6xA hQi gay gflt 6 nudc ta ? D€ giai quytit vAn dd vipc lim cdn c6 nhtng biQn ph6p gi? CAu 4: (3.5 ili6m). a. ph6n tici chcth6 manh kinh t6 ciraTrung du miAn niri bdc b0 nu6c ta ?' b. Dlra vdo ki6n thirc dd rrq;'.h" [iA;, ffi sao c6ng nghiQp ctr;5 ui6n luong thyc, thlrc ph-am ldngaSh cdng nghiQp trgng di6m? B.PHAI{ Kv NANG (6,5 tli6m) cflu 5:(310 tIGP*r*, dia ly viet Nam em hdy so sdnh: Dpc dicm dia hinh cua khu ou, ri, n?r rJpO"g nic Viet'Nam. D[c d6m d6 Anh hucrng gi toi khf h6u ctra khu nuc? l 'prra" dAt t6n cua nudc ta k6o diri theo chi6u Bic - Nam ti 1650km' Tr0n mot b6n ao viet Nam, ktroang c6ch d6 do duge ld 2'l ,5 crn. vpy b6n d6 d6 c6 ti 10 li bao nhi0u? Cho bing gi6 tri s6n xu6t cira nganh tr6ng trqt phdn theo nh6m c6y trdng o nudc ta, (Dcrn viti d6ng) KV rHI crloN lrqc sIl\H GrOI cAP riNu LOP 9 TIICS NAM 2013 MOn: DJA LY ffrOi gian, 150 phfit (khdng rc tnAt gian giao di) Ngny thi:28103/2013 (DA thi cd 02 trang, gdm 06 cdu) U A N[m Tdng sti Trons fi6 Cfly luong thryc Cf,y c6ng nghiQp Cfly In quf, v$r cf,y kh6c 1995 66183,4 42110,4 12149"4 11923,6 2005 1a7897.6 63852,5 25585,7 18459,4 a. VE bieu d0 th6 hign quy mO vi co cdu gi|trf nganh tr6ng trgt cria nu6c ta qua c6c ndm tr6n? . b. Nhfln xdt vi gi6i thich sy thay d6i co cflu ctra nganh tr6ng trgt ttr n6m 1995 d6n 2005. c. Nhtng ili€u kiQn dC ph6t tri6n c6y cOng nghipp 16u ndm & nudc ta? Ghi chri: o Thi sinh duoc srl dgng Atl6t Dla lf Viet Nam vi mriy tinh bO tiri OC nm Uai. r Can bQ coi thi khOng gidi thich gi th6m. 2 so crAo DUC vA DAo rAtr { LAO CAI xY rnr cHeN Hec srNH cror cAB riNu LoP 9 Tr{cs nAm zols Mdn: fOAN Th&i gian: 150 phrit ( Khdng tcd thdt gian giao di) Ngdy thi: 28/03 /2013 ( Ei thi gim cd 01 trarus ) nt, rnr cninu r:ntlc Cffu 1 ft di€m) a) Cho A * z2ooo - r .Chimg minh A chia htlt cho 5 q b) Tim nghi$m nguy6n (x;y) cira phucnrg trinh sau: Zxz -Zxy = 5x * y * 3 N CSq 2 (6 di*rn) 2"1 . cho bi6u thric , =( -l +) .{zr : Ji - r *z*Ji + x:Ji 'l * \l-Jx .,/xi I l-x l+x,lx ) a) Rfit gqn bi0u thri'c P. b) Tim gi6 tri cria P vdi x =tt-6Ji 2.2. Chirng minh phuong trinh: (n+Z)x2 +Zx-n(n+1)(n+3) = 0 lu6n co nghigm hftu ti vdi .A mgi s0 nguy6n n. K [5r'+ 7v2 = -) 2.3. Giai hQ phuong trinh: 1"* ^' -' [4r'+5y'=1 K C0u 3 $ dihm) 3.tr. Cho a, b li c6c sd thlrc ducrng. Chrmg minh r6ng' (a+b)'? .+>zali +zbJi ,' 3.2. Trong mpt ph[ng tqa dQ Oxy cho clirim M(0;2); Parabot fpl, I = * uU duong thing (d): ax+b5-2. Biet (d) di qua di6m M. a, Chimg minh rang khi a thay d6i thi (d) ludn cat 1n1 ei hai di6m pLrF biQt Avd B. x b, X6c dinh a 0e ae c6 dQ ddi nginnh6l n: 0 "? fi9yu : "{V> C6u 4 (s ifiA@ Cho ducrns trdn tdm 0, dulng kfnh BC, A li mqt di6m thu$c du&ng trdn. H la hinh chi6u ctra A tr6n BC. VE ducrng tron t6m I c6 dudng kinh AH, cit AB vi AC theo thf t.u oMviN. a) Chrtng minh OA vudng g6c vdi MN. b) VE ducrng kinh AOK ctra dudng-trdn t0m O. Gqi E la trung diOm cria FIK. Chung minh E ld tdm cira dulng trdn ngopi ti6p tri gi6c BMNC. c) Cho BC cd dl"h Xdc elinh vf tri iua OiOm A dC bdn kinh duo"ng trdn ngo4i ti6p fu gi6c BMNC tdn nh6t. Cffu 5 (1 did@ Cho dulng hqn (O) va di6m f cO Ointr s bOn trong dulng tron ( P khdc O). Hai diy AB vd CD thay tl6i qua P vdr vu6ng g6c v6i nhau. M vi N lan luqt li trung di6m cira AD vd BC ::*':::*:i::"* i::: :i l:Hl:l i1T :1 1*: . '- i-' IJBND TTNH LAo CAI so GrAo puq vA EAo r.lo ri rur cHeN Hgc srNH cr6r cAr rimu Lop 9 THCs, wAwI Hec zotz-zot3 Di thi chfnh thrfrc Khda thi rugay 28 ttuing 03. Viet Nam vi mriy tinh bO tiri OC nm Uai. r Can bQ coi thi khOng gidi thich gi th6m. 2 so crAo DUC vA DAo rAtr { LAO CAI xY rnr cHeN Hec srNH cror cAB riNu LoP 9 Tr{cs nAm. ngucri lao d0ng trong bii tho Doin thuydn d6nh c6 sria Huy Cgn , iay lam sringlO nherr xdt tr6n. Ghi ehri: . Thi sinh khdng srh dyng tdi li€u. t Cdn b8 coi thi khdng