a b c or d that s need correcting

... the dry and mountainous lands between the Rocky Mountains and the Pacific Ocean They gathered seeds and hunted small animals such as rabbits and snakes In the Far North, the ancestors of today s ... functions on a < /b> 24hour basis and is called the circadian clock (from the Latin, circa “about” + dies “day”).This body clock programmes us to be sleepy twice a < /b> day, between 3-5 a.< /b> m and again between ... 12 C A < /b> B A < /b> B A < /b> D B B A < /b> A B A < /b> A B A < /b> B D C B D Igloos 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 D C A < /b> D D B A < /b> A B C D D B B C A < /b> A B D A < /b> Mark the letter A,< /b> B, C, or D on your answer...

Ngày tải lên: 08/10/2014, 16:46

... Thomas was an American educator who stood for equal _ rights for women A < /b> educated B educational C educating D educationally Question 15 : My boss is angry with me I didn’t all the work that ... people s faces Some reactions are so widespread in all cultures that there seems to be a < /b> physical basis for them All people react in the same way to certain exciting situations by breathing more rapidly ... have fallen through because the weather was so bad C The bad weather was the reason that made our excursion to London have been fallen over D Our plans for an excursion have fallen away because...

Ngày tải lên: 08/10/2014, 16:46

... hard.” 21 A < /b> wealth B unhealthy C richness D wealthy 22 A < /b> journal B report C journalist D B decided C decisive D decision newspaperman 23 A < /b> decide 24 A < /b> luck unlucky B lucky C unluck D 25 A < /b> happy ... novelists in the world Was Emma Harte s story based on Ms Bradford s own incredibly successful life? “I’m afraid not,” she said with amusement “My life has been quite different from Emma Harte s She ... please? A < /b> collect B take C obtain D fetch 10 he is just a < /b> nice,………… Person A < /b> usual B ordinary C typical D common 11 You………… marvellous in that dress A < /b> look B seem C appear D become 12 We had better…………...

Ngày tải lên: 27/07/2014, 19:21

... encourage C day C chemical C forest C plane C love C myself C cocks C sit C young C his C favour C sitting C hunt C capacity C forced C suburban C passage C thick C hide C choose C sky C gift C ... constitute D hat D abandon D train D reminisce D- disappear D near D lecturer D borrow D physicist D basic D medicine D American D return D second D sponsor D digestion D entered D battle binh bac72@gmail.com ... B send B child B fun B seen B honest B contaminated B whales B species B sorry B bacteria B hanged B attacked B night B possession B through C chemistry C inventor C needed C singer C theory C...

Ngày tải lên: 30/01/2015, 21:22

... Danh m c tài liệu Khoá h c A:< /b> Phát triển b n vững Nhận th c Môi trờng B i - C c đ c điểm đ a < /b> lý, d n c sinh thái lu v c s ng Mê C ng B i - Những hoạt động th c tiễn không b n vững lu v c s ng ... triển b n vững Uỷ hội s ng Mê C ng Khoá h c B: Giới thiệu Khoa h c Môi trờng lu v c s ng Mê C ng B i - Định ngh a < /b> môi trờng lu v c s ng Mê C ng B i - Giới thiệu khái niệm khoa h c hệ sinh thái B i ... QLTN&MTT c Hiệu B i - Chính s ch c ng c B o vệ Môi trờng B i - C c công c quản lý tài nguyên n c tổng hợp (IREM) th c tế Khoá h c D: Thủ t c Đánh giá T c động Môi trờng Quyết định B i - Giới...

Ngày tải lên: 09/12/2013, 21:15

Ngày tải lên: 19/01/2014, 07:20

... United States a < /b> purchased b was c events d history a < /b> Grammar and Vocabulary 11 There was so much about the proposal a < /b> confession b revocation c harassment d controversy d 12 The bridge was badly ... b loud c pour d mouse c a < /b> roar b coat c roast d toast a < /b> a sick b surely c search d send b a < /b> room b gloomy c poor d wood c a < /b> know b cow c tower d now a < /b> a doubt b count c bought d cloud c ... tobaccos were in drums on board a < /b> ship a < /b> slaughtered b probed c smuggled d accused c 32 She is miserable because she is always jealous everyone a < /b> about b with c to d of d 33 What time does...

Ngày tải lên: 18/06/2014, 17:20

... không hợp lệ file b x a < /b> (violet.vn/uploads/resources/184/184527//%20.ATHIHSGTNHMNVTL12.doc) Quay trở http://violet.vn ...

Ngày tải lên: 05/06/2013, 01:26

... Find out your number no yes a < /b> B C D cat cap dog doll apple ant book bag cat cap dog doll auto ...

Ngày tải lên: 19/08/2013, 01:10

... HSG VĂN (b ng A,< /b> B, C, DB) Tỉnh N .A < /b> năm h c 08 - 09 MễN NG VN BNG B C u 1(6,0 im) S cu th bt c ngh gỡ cng l mt s bt lng (Nam Cao) Suy ngh ca anh, ch v ý kin trờn C u ( 6,0 im) Cm nhn ca anh, ch ... VN BNG C Cõu 1(6,0 im) S cu th bt c ngh gỡ cng l mt s bt lng (Nam Cao) Suy ngh ca anh, ch v ý kin trờn C u ( 6,0 im) Cm nhn ca anh, ch v hỡnh nh ngn ốn ca ch Tý truyn Hai a < /b> tr (Thch Lam) C u ... án thi HSG VĂN (b ng A,< /b> B, C, DB) Tỉnh N .A < /b> năm h c 08 - 09 + im 4,0: ỏp ng c bn c c yờu cu trờn, mt s ý cha s u sc; bit lp lun; din t s ng (c th c n vi li nh) + im 2,0: Ch nờu c mt phn ba s ý; lp...

Ngày tải lên: 05/09/2013, 20:10

... necessary - T asks Ss to reprsent their answers TASK2: DISCUSSING CONSEQUENCES AND OFFERING SOLUTIONS -T asks Ss to work in groups and discuss the consequences that might occur and offer solutions ... STATEMENTS -T instructs Ss to listen to a < /b> passage about the whales Listen and decide whether the statements provided are true or false -Before listening, T asks Ss to read all statements to understand ... topic sentences nd features have teeth on Earth provide feedback and give correct Have the largest brain of answers: back all mammals - Then ask Ss to write the paragraphs : Conversati At risk due...

Ngày tải lên: 09/11/2013, 23:11

... 27 10 ù VS ABC SA SB 3 ị VS PQCD = VS PQC + VS PCD = a < /b> 27 VS.PCD SP 2 ù = = ị VS PCD = VS ACD = a < /b> ùV ợ S ACD SA C u V: Ta c : x > 0, y > 0, x + y = ị < xy Ê ổx + ốy P= ỗ yử 22 + = Du "=" xy ... 15 C u III: I = + ln - ln 1 5a2< /b> 14 2a < /b> 10 = a < /b> 27 14 C u IV: K SH ^ PD ị SH ^ ((PQCD) ị VS PQCD = SPQCD SH = 3 ã C th d ng c ng thc t s th tớch: ỡVS.PQC SP SQ 2 4 = = ị VS.PQC = VS ABC = a < /b> ... PHN T CHN Theo chng trỡnh chun C u VI .a:< /b> 1) C i xng vi A < /b> qua ng thng d ị C( 3; 1) B, D ẻ d AB = AD = ị B( 2; 1), D( 6; 5) ợ r r a < /b> ^ n r r r ộ 2) E ẻ (d2 ) ị E(3; 7; 6) rV rP ị aV = nP , ad ự =...

Ngày tải lên: 24/12/2013, 16:15

... 2VDCNB = VDCSB = VS ABCD ị VDPQCNB = VSABNPQ 7 VS ABCD ị VSABNPQ = VS ABCD ị = 12 12 VDPQCNB C u V: T gi thit x + y + z2 = ị < x , y, z < ã p dng BT C si cho s dng: x ,1 - x - x ta c: Trn S ... SD, Q = BM ầ AD ị P l trng tõm DSCM, Q l trung im ca MB ã VMDPQ VMCNB = MD MP MQ 1 = = ị VDPQCNB = VMCNB MC MN MB 6 ã Vỡ D l trung im ca MC nờn d ( M ,(CNB)) = 2d (D ,(CNB)) ị VMCNB = 2VDCNB ... b2 + c 0) r r ã Vỡ d è (P) nờn ud ^ nP ị a < /b> - b + c = b = a < /b> + c (ã ) ã d , D = 450 a < /b> + b + 2c 2 a < /b> +b +c = (1) 2 (a < /b> + b + c )2 = 9 (a < /b> + b2 + c ) c = 1 4c2 + 30 ac = ở1 5a < /b> + 7c = ã Vi c = 0: chn...

Ngày tải lên: 24/12/2013, 16:15

... VKMCAND, V2 = VKBB C MAA D N ED.SD ADN = a3< /b> 7 29 EK EM EC a < /b> = = ị V1 = VKMCAND = VEAND = a3< /b> = a3< /b> , V2 = Vhlp V1 = 8 36 36 EA EN ED ã Vhlp = a3< /b> , ã VEKMC VEAND ị VEAND = V1 = V2 29 C u ... C u VII .a:< /b> PT -1 ờz = ởz = -1 ở( z + 1) = z = i + Theo chng trỡnh nõng cao C u VI .b: 1) V CH ^ AB, IK ^ AB AB = ị CH = 2SD ABC AB = ịIK = 1 Gi s I (a;< /b> 3a < /b> 8) ẻ d CH = a < /b> = Phng trỡnh AB: ... - ữdx = x + - ln x + x + ỷ ỗ ữ x +1 ứ ố x +1 = + ln ( + ) - ln ( + ) C u IV: Gi E = AK ầ DC, M = IE ầ CCÂ, N = IE ầ DDÂ Mt phng (AKI) chia hỡnh lp phng thnh hai a < /b> din: KMCAND v KBB C MAA D N...

Ngày tải lên: 21/01/2014, 22:20

... 1 1 Ta c : + ; + ; + a < /b> + b b + c a < /b> + 2b + c b + c c + a < /b> a + b + 2c c + a < /b> a + b 2a+< /b> b+ c 2 Mt kh c: = 2a < /b> + b + c + - 4a < /b> - 2b - 2c 2a < /b> + b + c 2a < /b> + b2 + c + a < /b> + 2 (a < /b> - 1) + (b - 1) + (c - 1) ... 2b + c + a < /b> b + 2c + a < /b> + b c + 1 4 T ú suy ra: + + + + a+< /b> b b +c c +a < /b> a +7 b +7 c +7 ng thc xy v ch a < /b> = b = c = II PHN T CHN Theo chng trỡnh chun C u VI .a:< /b> 1) Gi A1< /b> , A2< /b> ln lt l im i xng ca A < /b> qua ... gi c ca g c to bi d1 , d2 ị A(< /b> 3; 2) uuu r uuu r Gi s B( 1; b) ẻ d1 , C( c; 2) ẻ d2 AB = (-4; b - 2), AC = (c - 3; -4) uuu uuu r r ỡ AB AC = ù ộ b = 5, c = ộ A(< /b> 3; 2), B( -1; 5), C (0; -2) Ta c : ị b...

Ngày tải lên: 21/01/2014, 22:20

... MO.SD A< /b> B C = ịV Â Â = 2VMAÂ B C = a.< /b> a = B A < /b> MCN 3 2 ã Gi j l g c gia hai mt phng (A< /b> MCN) v (ABCD), P l trung im ca CD ị NP ^ (ABCD) SDMCN = S a2< /b> a2< /b> 6 , SDMCP = ị cos j = D MCP = 4 SDMCN x y ... sin x ) = lim xđ0 (cos2 x - 1)sin x x sin x.cos x = lim xđ0 - sin x x cos x = -1 C u IV: A< /b> MCN l hỡnh thoi ị MN ^ A< /b> C, DBÂMN c n ti B ị MN ^ B O ị MN ^ (A< /b> B C) ãV MAÂ B C 1 a < /b> a3 a3< /b> = MO.SD A< /b> ... 2 Theo chng trỡnh nõng cao C u VI .b: 1) Tỡm c M(3; 0) ị MI = ị AB = ị AD = 2 Phng trỡnh AD: x + y - = Gi s A(< /b> a; a)< /b> (vi a < /b> < 3) Ta c AM = a < /b> = ị A(< /b> 2; 1) T ú suy ra: D( 4; 1), B( 5; 4), C( 7; 2)...

Ngày tải lên: 21/01/2014, 22:20

... P)) = a < /b> ữ AB = 9 ứ 3 ố 2 AB = d (A,< /b> (P)) 2a < /b> - a < /b> + = a < /b> a < /b> = ị A(< /b> 3; 0; 0) 3 C u VII .a:< /b> Gi s s tho l: a1< /b> a2 a3< /b> a4 a5< /b> ị B Trn S Tựng a+< /b> 3 ã Nu a1< /b> = thỡ c : A7< /b> = 840 (s) 3 ã Nu a2< /b> = thỡ c : C6 A6< /b> = ... zứ C u V: ã Chỳ ý: Vi a,< /b> b > 0, ta c : Du "=" xy x = y = z = 1005 Vy MinP = 670 II PHN T CHN Theo chng trỡnh chun C u VI .a:< /b> 1) Gi s: AB: x y + = , AC: x + y 21 = Suy ra: A(< /b> 0; 3) BO ^ AC ... ị C u III: t cos x = ổ 3 ỗx = ;y = ữ ố ứ p 34 ổ pử 3ổp 1ử sin t , ỗ Ê t Ê ữ ị I = ũ cos2 tdt = ỗ + ữ ố 2ứ 2ố 2ứ 20 a < /b> C u IV: Gi H, M, I ln lt l trung im ca AB, AC, AM ị SH ^ (ABC), ã = a < /b> SH...

Ngày tải lên: 21/01/2014, 22:20

... = SD.SB = 2c + a < /b> = ị sin ã = Mt kh c, cos SDB SDB SD.SB ac 3 b 2c + a < /b> 1 abc VSDBC = SC.SSDB = SC.SD.SB.sin ã = SDB 6 2c + a < /b> V a < /b> a2 bc AD a < /b> M ASDB = ị VASDB = VCSDB = = VCSDB DC 2c 2c 12 2c ... S ASD AS.SD.sin 30 a < /b> Ta c : ị DA = DC ị SD = = = = 2c 2c + a < /b> CD SCSD 2c CS.SD uur uur uuu uur ổ 2cSA + aSC uur r 2c uur uur 2c abc ị SD.SB = ỗ SA.SB = ab.cos 600 = ữ SB = 2c + a < /b> 2c + a < /b> 2c + a < /b> ... a < /b> ố 2c + a < /b> ứ Trn S Tựng p x x - ũ tan e x dx + ũ tan e x dx = e 2 0 v SD = uur uur 4c SA + a < /b> SC + 4caSA.SC 2 2 ( 2c + a)< /b> 2 = a2< /b> c + a2< /b> c - a2< /b> c ( 2c + a)< /b> 2 = 3a < /b> c ( 2c + a)< /b> 2 ị SD = ac 2c + a < /b> abc uuu...

Ngày tải lên: 21/01/2014, 22:20