Đề hsg lớp 8 hay nhất, soạn theo chuẩn kiến thức kỹ năng, soạn theo chương trình giảm tải của Bộ GD. Được cập nhật mới nhất, đã chỉnh sửa mới nhất vào cuối năm học này. Rất kỹ, rất hay. Đề hsg lớp 8 được soạn theo hướng tốt nhất cho hs
rV rnr cHeN Hec srNH cror Lop a cAp rrU xA NAnn Hoc: zots-zotl DC thi m6n: Vat lli Thdi gian: 150 phirt (kh6ng tC ttrOi gian ph6t dO) CAu 1: (5di6m) a MQt t6 chuy6n dQng trdn nira dopn duong dAu v6i v6n t6c 60km/h Phan lai ,i chuy6n dQng v6i vfln t6c lskmih nua thdi gian dAu vd 45km/h nua thdi gian sau Tim vfln t6c trung binh cira t6 tr€n c6 do4n dudng b Lirc 6h mQt ngudi di xe dap xu6t ph6t tu A di vC B v6i vfln t6c v1 12kmlh Sau d6 2h, m6t ngudi di bO tu B vO A v6i v6n t6c v2: km/h Bi6t AB : 4Skm - Hqi ngudi g{p luc mdy gid? Ncri g{p c6ch A bao nhi6u km? - Ntiu ngudi di xe dpp sau di dugc 2h r6i nghi th thi hai ngudi gflp hic mAy gid? Noi gip cfrch A bao nhi6u km? C6u 2: (adi6m) MQt xe dd khdi hanh tir phO e di thenh ph6 n c6ch l60km vdo lirc glir s6ng v6i vQn t6c 60km/h Sau d6 gio 30 phirt, -9t * t6 khdi hdnh tir B vC A vdi vpn t6c S0kmlh Hoi: a D6n m6y gio hai xe gpp nhau? Vf tri g{p c6ch thdnh ph.o A bao nhi6u km? b Xe ndo t6i noi tru6c? D6 hai xe tdi cirng m6t hic thi xe d6n sau ph6i khoi hdnh hic r ^ may glo'/ C6u 3: (3di6m) MQt qu6 cAu c6 trgng lugng ri6ng 8200 N/m3, the tich 100m3 n6i t.Crt mdt m6t binh nu6c Ngudi tar6tdAu vdo phu kfn hodn todn qui cAu a Tinh th6 tich phAn qui cAu ngap dAu b N6u ti5p.tuc r6t th6m dAu thi th6 tich phAn ngQp nu6c cria qu cAu c6 thay d6i kh6ng? (ni0t trgng lugng ri6ng: ctra dAu 7000 N/m3, cria nu6c 10000 N Cdu 4: (adi6m) Cho m4ch diQn c6 so d6 nhu hinh v6: a Bi6t ampe tC e chi 5,A., culng clQ ddng di6n chpy qua ddn I vd ddn 2bingnhau vd bing 1,5A X6c dinh cudng dQ ddng diQn chpy qua E3 vd cudng dQ ddng diQn chay qua Da b Mpch di6n tr6n dugc m6c vdo ngr6n diQn c6 hiQu diQn th} l2Y niet hiQu diQn th6 gifia hai dAu b6ng ddn Dz bing 4,5Y Tim hi6u dipn th6 gita hai d6u cdc b6ng ddn cdn 14i Cdu 5: (adi6m) Hai gucrng phing G, vd" G, D,c dugc bO tri hqp v6i mQt g6c a nhu hinh vE Hai di6m s6ng A vd B dugc dpt vdo gifia hai gucrng a Trinh bdy c6ch vC tia s6ng su6t phSt tu A ph6n xa lAn luort l6n gucrng G, d€nguorrg rOi cl6n B b NCu 6nh cta A qua G, circhA ld l2cm vd anh cria A : q qua G, cSch A ld 16cm Kho6ng c6ch anh lA 20cm Tinh goc a ? gita hai &z rY r'r ":n*ffi; iH5,;JiJi% s cAp rrq xA DC thi m6n: Ngt Vin Thdi gian: 150 phrit (kh6ng tC tnOi gianph6t d6) CAu 1: (8di€m) NgA., ngt Hi laO "Hgc vdn c5 nhtng chirm rE ctang cay nhrmg f,roq W1 lpi ngqt "9c6u: ngho" Em hi6u y ki6n tr6n nhu th6 ndo? Hdy n5i 16 quan niQm ctra em v6 ,r6n cl6 ndy Cdu2: (l2di6m) TrCn co s0 c6c truyQn nghndS hgc: TOi ali hgc, Lflo H?c, Chi6c Thuytit minh dflc di6m chinh cua thti lopi truyQn ngin HET H cuiii cirng, rY rnr cHeN Hec srNH cr6r Lop s cAp rrq xA xAtvt Hec: zors-20r6 OC tl,i M6N: GIAI TOAN BANG MAY Ti]\Ig CAU TAY Thdi Bian: 150 phut (kh6ng t roy * *yo vbi r,a * 0;r +Y > "t 0,5d 0,75d 0,25d 0,25d (5 tli6m) Ta c6: roo - tr' +2r' - r +l = (, +f)(r' - z +1) l, Md: l'" -r+r=[r-!l z r2 [ 2) t, +l>O;Vr Lr a) *1ro;vr > (r' +l,)(r'-n+t) >o;vr 0,25d YQy A luu6n x6c dinh v6i mgi gi6 tri cua x 0,25d r' + r*t (,',* + t)' (*' - r = (r+t)' (r, -r+1) +t)_ (r + r)' =,4=f(,'r' + 1) (r' -r + 1) , YQy A = co:l(' 12 +r 0,5d 0,25d 12 +1 t)' > o;v' 0,5d [.r'*l>0;Vz _' (, * l)' ,tw.vI., r'+l Vfly: A2liYr 0,25d r V0y: Mi,nA- e r+1 = e r = -l Ta c6: A 0,75d \2 (r+t) =+ c) 0,25d, 'j Ta lpi co:): ro + b) 0,75d >- 0;Y Hinh vE dring 0,25d 0,25d 0,75d 0,25d (5 tli6m) x6t a) r(*, eoo) = \/ ^HEB(frE ^HD frE = 6D (2 g6caoi ainn; ) LHEB a LHDC (1 goc nhgn) * = ro') co: ld HE HD HB HC HD.HB = HE.HC Xet ^BHF(BFH = eoo) vir 0,25d 0,25d rcCo(BDC = e00) o, DBC chung + LBHF cn LBCD (1 e6c nhqn) BH BF < BC BD > BH.BD = BF.BC (r) b) 0,5d Chimg minh tuong tU: ) ACHF a ACBE (1 g6c nhqn) CH CF CB CE = CH.CE = cr.ca(z) 0,25d Tri (1) vd (2) ta duoc: BH,BD + CH ,CE = BF,BC + CF.CB = BC (ar + cF) = sg' 0,5d VOy: BH.BD + CH.CE = BC' xdt ^ADr(^* 6ic chung c) = AADB AD AB = eoo)vit n+nr(u, 0,25d - eo ) "0, a A,AEC (1 e6c nhon) AE AC x6t LADE vit LABC co: 0,,25d BAC chuns AD "" (chimg '-:1- AE minh tr6n) AB AC cn = AADE LABC (c-e_c) (r\ -AE DE=AC BC\ / 0,5d Chime minh tucrng tg: LBEF ' LBCA (c-g-c) (o\ -uE BF=nc BA\ / Vir: A 0,25d CDF cn LCBA (c-g-c) DF BAr-t 0,25d = cp: cA\t) Tir (3), (4), (5) suy ra: AE BE DF AC BC BA = =l DE BF CF BC BA CA DF t Hav:AE BE._ 'CFDEBF - - HET - 0,25d 0,25d thi sinh: H.9 vd t6n Chir ki gi6m thi danh: Ngdy sinh: Chtr SO Uao l: Md phrich: ki gi6mthi2: Trudng: Y RAI CHINH THTIC DE -6;0t trang) PHONG GD.DT GIA KV THI CHqN HSG L6P CAP TUI NAM HQC 2ots -.2016 * M6n: TIENG ANH * Thli gian: 150 phfit (Khing ke thdi gian giao di) PHAN DANH CHO CHAM T,AN OAU: Di6m thdne Bins s6 nhit Bine chir Chfr ki GKl Mfl phfch chfr ki GK2 DIEM TtlNG CAU: Part LISTENING I P*t2 LANGUAGE Part READING Part WRITING I il L II III ilI FOCUS I TOTAL PHAN DANH CHO CHAM PHUC XTTAO: Ei6m th6ne BIne s6 nhit Bine chfr Mfl phich Chfr ki GK2 Chir ki GKI DIEM TUNG CAU: Part T LISTENING Part2 LANGUAGE FOCUS Part READING I I II m TOTAL I III Part WRITING I Ho vd t6n thi sinh: SO Uao Chir ki girim thf 1: danh: Md phrich: Cht ki gi6m thi 2: PHONG GD.DT GIA RAi Ti ON CTTiNH THUC (G6m 07 trang) THT CHON HSG LOP S CAP THI NAvr Hec 2afi-zot6 M6n: TIING ANH Thoi gian: 150 phft (Kh6ng kA thdi gian giao d€) Part 1: LISTENING Listen to the recording twice Choose the best option (A, B, C or D) to complete each sentence (2.0 pts) Nearly four hundred years ago, people from .went to live in North American A England B China C Japan D France C famous D poor Alot of Pilgrims became very A rich They didn't A B ill know how to grow .there maize B rice Squanto and Samoset gave them lots A money B gifts C trees of C D food to make their lives easier advice D gold By autumn, things were going a lot for the Pilgrim A worse B faster C better D slower The harvest was good, so they had food for the winter They also had w4rm homes 7.They invited A four A B clothes C hats D rooms of them and their families to a special meal B five C seven D three They ate , fish, green beans and soup A noodles B turkey C pumpkin D duck THi srNH xn0Nc vrnr vAo uAv Part 2: LANGUAGE FOCUS I Choose the best option (A, B, C or D) to complete each sentence (3.0 pts) His handwriting is terrible It's not easy what he writes A read B to read C reading C niece D reads Helen is my aunt's daughter so she is my B cousin sister The window A break A 4.My parents make A to last night has been repaired B to break C me study B I would rather you A D friend study B D breaking for my exam tell broken C studying D studied .me the story told C to tell D telling Tom can wait for somebody for a long time without complaining He is very A polite B patient C impatient D impolite Tamalways works hard He studies ten hours every day He's a A.lazry B hard-working C careful student D unusual Some people learn a foreign language easily Others have,trouble learning a new language Trouble means: D causes C difficulty B matter A reasons Would you mind if I on the radio tuming 10.Trung swims very well and : B even A also A turn B C turned .does his brother C so 11 A new library in my school next year A built B will 12.Tamhas a big A collector build D to turn C was built D neither, D will be built .of foreign coins B collection C collecting Your answers ., - 10 11 12 D collective Ho vd tOn thi sinh: SO bao Cht ki girlm thi danh: II Rewrite Chtr 1: Md phdch: ki gi6mthi2: each sentence using the given words, so that the meaning remains the same (3.0 pts) The students spent two hours cleaning the school yard )It 2.1started living in this city years ago ) r 3.My friends often give me books as birthday presents r ) We had to wear sun hats because it was very hot >It The ticket was cheaper than I had expected )The ticket It was such a hard cake ) that I couldn't eat it The cake III Write the correct form of words in brackets (2.0 pts) extremely in cartoons 2.The children are much The water is You can't swim in it on TV everyday We can see many of the time He was the greatest Gases from factories are teacher (interest) (pollute) (advertise) (science) (collect) 6.My brother is a stamP 7.My (harm) me to take this examination (courage) (compete) A THI SINH KHONG VIET VAO DAY Part 3: READING I Choose only ONE word in the box for EACH space to complete the following passage (2.0 pts) time read on activities than dail 1n risen adults a Watching television and going for a walk are the most popular leisure (1) in Britain Although longer holidays and shorter working hours have given people men, because more free (2) , women generally have less free time (3) they spend time (4) .domestic work, shopping and childcare Surveys showed that more men (5) newspapers than women, and a slightly higher proportion of adult read Sunday newspapers than read (6) moming national newspaper More people are taking holidays abroad ln 1971 only 36 percent of (7) in Britain had been abroad on holiday; but by 1983 this proportion had (8) to 62 percent nearly fifteen million people Your answers II Read the passage below and J choose the best option (A, B, C or D) for each space (2.0 pts) Henry Ford was bom (1) a farm in Michigan in 1963 but he did not like farming (2) he was fifteen he began to work as a mechanic and in 1893 he driven it 1,500 kilometers, he sold it and built his first car After he (3) built two bigger cars Then, in 1903, he (a) .the Ford Motor Company By (5) .strong but light steel, he built cheap car for ordinay people to buy In 1908 he built the first Ford Model "T", (6) so1d for S 825 He was soon selling 100 cars (7) day By 1927, the Ford Motor Company was (8) $ 700 million Early Ford cars were simple and cheap, but keeping things simple sometimes planned less choice "You can have any color you like" said Henry Ford of Model T "as long as it's black" Ho vir t6n thi sinh: 56 b6o Chir ki gi6m thi 1: danh: Cht ki giitmthi2 l A at B on C in D for Which B While C When D How A A A is B was C had D has raised B started C led D appeared putting B operating C using D managing A where B which C who D what 7.4.a B some C the D one A rich B worth C expensive D dear Md ph6ch: Your answers III Read the passage, and then answer the questions (2.0 pts) Fire was very important to man He needed fire to keep himself warrn at night He used fire to cook his food He used fire to frighten away enemies and wild animals In some parts of the world he used fire to signal messages Red Indians, for example, used fire to make smoke signals In some other countries people lit fire to warm their friends of danger Fire was also used to give light Before the invention of the oil lamp, men used burning sticks as torches And before man discovered gas and eleCtricity, he small fires in wire baskets from posts to light the streets One man even used fire to tell the time He invented a candle clock He made a candle that took exactly twelve hours to bum Then he marked this candle in twelve equal parts He lit the candle and could tell the time by counting the number of parts left of the buming candle But the candle clock did not always work well If there was a wind blowing on the candle, the flame burned too quickly What did man probably first use fire for? 2.For what purpose was fire used by red Indians? Can the fire be used to tell the time? How long did the candle clock take to burn? THI SINH KHONG VIET VAO EAY Part 4: WRITING (4.0 pts) Write about a person you like best in aparagraph of 80-120 words Hg vd t6n thi sinh: SO Uao danh: Md ph6ch: Cht ki gi6m thf The end - 2: [...]... GD&DT THI XA GIA r frra ON rrfrri.rrr CUINH nrrr,r,r THUC I r -= RAI Ti'TUI CHQN HSG LOP 8 VONG THI NAM HQC 2015 - 2016 :ii;;;-rn'.-, * M6n thi: TOAN (GOm 04 trang) HTIONG oAN CHAM A C6u So NQi dung tIi6m I - -.7 (5 drem) Ta c6: n Khi d6: eZ, n3 nchdn = n- 2k,k eZ 0,,25d +20n = 8k3 +40k = sr(r'+ = sr[(r'-r)+o] 0,5d -,)(* 0,25d = 8k(k a) 0,25d s) 0,,25d + r) + a8k Md: k(* = - -,)(r + r)i6,yk e z + r)i 48. .. M6n: TIENG ANH Part 1: LISTENING (2 tli6m) Udi cilu ilfing ttrqc 1.A 2 .8 0,25 di6m 4.C 3.D 5.C 6.4' 7.D 8. B Part 2: LANGUAGE FOCUS I (3 ifiAm) Ptdi cilu dfing tlwqc 0,25 itihrn 1.B 2 .8 3.C 4 .8 5.B 6.B 7 .8 8.C 9.C 10.C 11.D II (3 itiOm) Mdi cAu dfing tlwqc 0,5 iti6m It took the students two hours cleaning the school Z.lhave lived in this city for 2 years 1 yard t am often given books as birthday presents... to buy In 19 08 he built the first Ford Model "T", (6) so1d for S 82 5 He was soon selling 100 cars (7) day By 1927, the Ford Motor Company was (8) $ 700 million Early Ford cars were simple and cheap, but keeping things simple sometimes planned less choice "You can have any color you like" said Henry Ford of Model T "as long as it's black" Ho vir t6n thi sinh: 56 b6o Chir ki gi6m thi 1: danh: ... R rtHz 8, 4 : 22,4 : 0,37 5 (mol) : R + : HzSO+ 0,375 0,375 mol MR )1 : RSO4 + H, mol (0,5di6m) (0,5di6m) t 0,375 mol (0,5di6m) S6(g) ,*: clO) (0,5di6m) (0,5cli6m) NTK ctra kim lopi R la 56 dvC d6 ld Fe Fe + HzSO+ : FeSO+ + Hz t 0,375 mol mol : FeSO+.x'HzO(tinhthC) + x.H2O FeSO+ 0,375 mol 0,375 mol b 0,375 (0,5di6m) _ 104,25 _=2 78( S) \tr Mtinhrhd: ffi FeSO+ xH2O :2 78 (56+96) + x. 18: 2 18 \,- 2 78- (56... cA\t) Tir (3), (4), (5) suy ra: AE BE DF AC BC BA = =l DE BF CF BC BA CA DF t Hav:AE BE._ 'CFDEBF - - HET - 4 0,25d 0,25d thi sinh: H.9 vd t6n Chir ki gi6m thi danh: Ngdy sinh: Chtr SO Uao l: Md phrich: ki gi6mthi2: Trudng: Y RAI CHINH THTIC DE -6;0t trang) PHONG GD.DT GIA KV THI CHqN HSG L6P 9 CAP TUI NAM HQC 2ots -.2016 * M6n: TIENG ANH * Thli gian: 150 phfit (Khing ke thdi gian giao di) PHAN... collection C collecting Your answers 1 2 3 4 ., 5 6 - 7 8 9 10 11 12 D collective Ho vd tOn thi sinh: SO bao Cht ki girlm thi danh: II Rewrite Chtr 1: Md phdch: ki gi6mthi2: each sentence using the given words, so that the meaning remains the same (3.0 pts) 1 The students spent two hours cleaning the school yard )It 2.1started living in this city 2 years ago ) r 3.My friends often give me books... chua deu Vdi 16i b6 dAu chua dirng - Di6m 4 < 8: D6p img c6c y0u cAu nhrmg chug sAu 86 cpc trinh bdy co th6 chua ho,p li Loi vdn chua that thuyet phqrc, nhi6u 15i b6 d6u chua dung - Di6m 2 < 4:NQi dung so shi C6c phAn khdng dAy dir Vdn vi5t lung cung M6c 16 nhi6u 15i di6n dpt - Di0m | %V (CO) : %V (hidro) I 100:20oh 100Yo - 20% (0,5diOm) la ti lO th6 tich (0,5cli6m) : 80 %o (0,5cti6m) HET pHoNG GD-ET GrA RAr HrloNG oAN cnAu ri... -zDH' = CD2 =2AD2 - AB2 A82 (0,5cli6m) 2 (0,5di6m) (0,5di6m) =2AD2 -CD2 ) 2. 18, 452 -13,542 cD =rl2AD' - AB2 =22,304 (cm) b K6 ducrng cao AK, ta c6: cD _ AB _ 18, 45 - 13, 54 DK = = 2,455 (cm) (0,5 di6m) (0,5di6m) 22 S urr, = (AB + CD)AK (13,54+22,304).2,455 = 43,999 (cm') nrr (0,5di6m) rY rnr cHeN Hgc sINH cr6r LoP s cAp rru xA NAnn Hec: zors-zolr Hu6ng d6n ch6m m6n: Ho6 hgc 8 Thdi giurr, 15b phirt