{"id":6085,"date":"2024-09-13T02:20:12","date_gmt":"2024-09-13T02:20:12","guid":{"rendered":"https:\/\/kl9992.com\/blog\/?p=6085"},"modified":"2026-02-26T17:20:05","modified_gmt":"2026-02-26T10:20:05","slug":"dang-bai-classification-trong-ielts-reading","status":"publish","type":"post","link":"https:\/\/kl9992.com\/blog\/dang-bai-classification-trong-ielts-reading\/","title":{"rendered":"IELTS Reading: H\u01b0\u1edbng d\u1eabn d\u1ea1ng b\u00e0i Classification"},"content":{"rendered":"\n\n
D\u1ea1ng b\u00e0i Classification<\/strong><\/span>\u00a0<\/a>g\u1ea7n gi\u1ed1ng v\u1edbi d\u1ea1ng Matching Heading<\/span> <\/strong>trong IELTS Reading \u0111\u01b0\u1ee3c cho l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i kh\u00f3 v\u00ec y\u00eau c\u1ea7u th\u00ed sinh ph\u1ea3i c\u00f3 k\u1ef9 n\u0103ng \u0111\u1ecdc hi\u1ec3u s\u00e2u m\u1edbi c\u00f3 th\u1ec3 tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u c\u1ee7a \u0111\u1ec1 b\u00e0i. B\u00e0i vi\u1ebft n\u00e0y, Kl992 một trong những nhà cái hàng đầu<\/a><\/strong> s\u1ebd c\u00f9ng b\u1ea1n kh\u00e1m ph\u00e1 chi ti\u1ebft chi\u1ebfn thu\u1eadt l\u00e0m d\u1ea1ng b\u00e0i Classification chi ti\u1ebft nh\u00e9!<\/span><\/p>\n C\u00e2u h\u1ecfi d\u1ea1ng ph\u00e2n lo\u1ea1i y\u00eau c\u1ea7u b\u1ea1n ph\u00e2n lo\u1ea1i th\u00f4ng tin t\u1eeb b\u00e0i \u0111\u1ecdc. \u0110\u1ec1 b\u00e0i \u0111\u01b0a ra m\u1ed9t s\u1ed1 c\u00e1c c\u00e2u c\u1ea7n n\u1ed1i v\u00e0 m\u1ed9t danh s\u00e1ch c\u00e1c t\u00f9y ch\u1ecdn (\u0111\u01b0\u1ee3c li\u1ec7t k\u00ea d\u01b0\u1edbi d\u1ea1ng A, B, C, v.v.). Nhi\u1ec7m v\u1ee5 c\u1ee7a b\u1ea1n l\u00e0 n\u1ed1i m\u1ed7i c\u00e2u v\u1edbi ph\u01b0\u01a1ng \u00e1n \u0111\u00fang.<\/p>\n L\u01b0u \u00fd:<\/strong><\/p>\n C\u00e1c d\u1ea1ng Classification<\/strong><\/p>\n B\u01b0\u1edbc 1.<\/strong><\/p>\n \u0110\u1ec3 tr\u1ea3 l\u1eddi m\u1ed9t c\u00e2u h\u1ecfi ph\u00e2n lo\u1ea1i, tr\u01b0\u1edbc ti\u00ean, b\u1ea1n ph\u1ea3i t\u1ef1 h\u1ecfi c\u00e2u h\u1ecfi \u0111\u00f3 \u0111ang h\u1ecfi b\u1ea1n \u0111i\u1ec1u g\u00ec. N\u00f3 y\u00eau c\u1ea7u b\u1ea1n ph\u00e2n lo\u1ea1i th\u1ee9 g\u00ec \u0111\u00f3 hay ch\u1ec9 m\u00f4 t\u1ea3 n\u00f3? N\u1ebfu l\u00e0 c\u00e2u \u0111\u1ea7u ti\u00ean, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng b\u1ea1n hi\u1ec3u ch\u00ednh x\u00e1c nh\u1eefng g\u00ec \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u v\u00e0 \u0111\u1ecdc k\u1ef9 \u0111o\u1ea1n v\u0103n.<\/p>\n B\u01b0\u1edbc 2.<\/strong><\/p>\n Khi x\u00e1c \u0111\u1ecbnh xong b\u01b0\u1edbc \u0111\u1ea7u, h\u00e3y l\u1eadp danh s\u00e1ch c\u00e1c ti\u00eau \u0111\u1ec1 ch\u00ednh v\u00e0 ph\u1ee5 \u0111\u1ec3 s\u1eafp x\u1ebfp suy ngh\u0129 c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y s\u1ebd gi\u00fap theo d\u00f5i m\u1ecdi th\u1ee9 n\u1eb1m \u1edf \u0111\u00e2u trong m\u1ed7i \u0111o\u1ea1n v\u0103n \u0111\u1ec3 khi tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi d\u1ef1a tr\u00ean nh\u1eefng \u0111o\u1ea1n v\u0103n \u0111\u00f3 sau n\u00e0y trong b\u00e0i ki\u1ec3m tra, s\u1ebd kh\u00f4ng c\u00f3 b\u1ea5t k\u1ef3 s\u1ef1 nh\u1ea7m l\u1eabn n\u00e0o v\u1ec1 ph\u1ea7n n\u00e0o \u0111i v\u1edbi ph\u01b0\u01a1ng \u00e1n tr\u1ea3 l\u1eddi n\u00e0o (v\u00ed d\u1ee5: \u201c\u0111o\u1ea1n n\u00e0y n\u00f3i v\u1ec1 X nh\u01b0ng t\u00f4i c\u1ea7n m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi li\u00ean quan c\u1ee5 th\u1ec3 \u0111\u1ebfn Y\u201d).<\/p>\n B\u01b0\u1edbc 3.<\/strong><\/p>\n Cu\u1ed1i c\u00f9ng, h\u00e3y ch\u1ecdn m\u1ed9t c\u00e2u tr\u1ea3 l\u1eddi trong s\u1ed1 nh\u1eefng c\u00e2u tr\u1ea3 l\u1eddi \u0111\u01b0\u1ee3c \u0111\u01b0a ra d\u01b0\u1edbi d\u1ea1ng v\u0103n b\u1ea3n thay v\u00ec s\u1eed d\u1ee5ng c\u00e1c ngu\u1ed3n b\u00ean ngo\u00e0i nh\u01b0 t\u1eeb \u0111i\u1ec3n ho\u1eb7c b\u00e1ch khoa to\u00e0n th\u01b0 v\u00ec nh\u1eefng ngu\u1ed3n n\u00e0y kh\u00f4ng ch\u1ec9 m\u1ea5t nhi\u1ec1u th\u1eddi gian h\u01a1n m\u00e0 c\u00f2n c\u00f3 nguy c\u01a1 b\u1ecb m\u1ea5t \u0111i\u1ec3m do thi\u1ebfu \u0111\u1ed9 tin c\u1eady c\u0169ng nh\u01b0 \u00edt li\u00ean quan h\u01a1n th\u00f4ng tin \u0111\u01b0\u1ee3c cung c\u1ea5p. tr\u1ef1c ti\u1ebfp trong c\u00e1c \u0111o\u1ea1n v\u0103n!<\/p>\n 1. H\u00e3y \u0111\u1ecdc k\u1ef9 h\u01b0\u1edbng d\u1eabn tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u.<\/span><\/p>\n 2. \u0110\u1ea3m b\u1ea3o b\u1ea1n hi\u1ec3u r\u00f5 c\u00f3 bao nhi\u00eau lo\u1ea1i th\u00f4ng tin c\u1ea7n ph\u00e2n lo\u1ea1i v\u00e0 lo\u1ea1i ch\u1eef c\u00e1i n\u00e0o b\u1ea1n c\u1ea7n s\u1eed d\u1ee5ng. Ngo\u00e0i ra, c\u1ea7n xem x\u00e9t k\u1ef9 th\u00f4ng tin v\u00e0 tr\u00e1nh nh\u1ea7m l\u1eabn gi\u1eefa c\u00e1c ch\u1eef vi\u1ebft t\u1eaft c\u1ee7a t\u1eebng lo\u1ea1i.<\/span><\/p>\n 3. \u0110\u1ecdc t\u1eebng c\u00e2u ho\u1eb7c c\u1ee5m t\u1eeb, x\u00e1c \u0111\u1ecbnh t\u1eeb kh\u00f3a, v\u00e0 t\u00ecm v\u1ecb tr\u00ed th\u00f4ng tin \u0111\u00f3 trong \u0111o\u1ea1n v\u0103n.<\/span><\/p>\n L\u01b0u \u00fd: r\u1eb1ng c\u00e1c c\u00e2u h\u1ecfi c\u00f3 th\u1ec3 kh\u00f4ng theo th\u1ee9 t\u1ef1 trong \u0111o\u1ea1n v\u0103n v\u00e0 t\u1eeb ng\u1eef c\u00f3 th\u1ec3 kh\u00e1c v\u1edbi v\u0103n b\u1ea3n g\u1ed1c. V\u00ec v\u1eady, b\u1ea1n c\u1ea7n t\u00ecm c\u00e1c t\u1eeb \u0111\u1ed3ng ngh\u0129a ho\u1eb7c c\u00e1ch di\u1ec5n \u0111\u1ea1t t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/span><\/p>\n 4. Khi b\u1ea1n \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c th\u00f4ng tin li\u00ean quan trong \u0111o\u1ea1n v\u0103n, \u0111\u1ecdc k\u1ef9 v\u00e0 t\u00ecm c\u00e2u tr\u1ea3 l\u1eddi ch\u00ednh x\u00e1c.<\/span><\/p>\n 5. Kh\u00f4ng n\u00ean m\u1ea5t qu\u00e1 nhi\u1ec1u th\u1eddi gian cho m\u1ed9t c\u00e2u, h\u00e3y b\u1ecf qua v\u00e0 l\u00e0m c\u00e2u ti\u1ebfp theo. C\u1ed1 g\u1eafng \u0111\u1eebng \u0111\u1ec3 tr\u1ed1ng b\u1ea5t k\u1ef3 c\u00e2u n\u00e0o, cho d\u00f9 b\u1ea1n c\u00f3 ph\u1ea3i \u0111o\u00e1n.<\/span><\/p>\n 1: \u0110\u1ecdc qu\u00e1 ch\u1eadm. -> luy\u1ec7n \u0111\u1ecdc nhanh trong khi v\u1eabn duy tr\u00ec kh\u1ea3 n\u0103ng hi\u1ec3u. \u0110\u1ecdc l\u01b0\u1edbt v\u0103n b\u1ea3n \u0111\u1ec3 n\u1eafm \u0111\u01b0\u1ee3c \u00fd ch\u00ednh tr\u01b0\u1edbc khi \u0111i s\u00e2u v\u00e0o chi ti\u1ebft.<\/p>\n 2: B\u1ecf qua h\u01b0\u1edbng d\u1eabn. -> Cho d\u00f9 \u0111\u00f3 l\u00e0 x\u00e1c \u0111\u1ecbnh t\u1eeb kh\u00f3a, ch\u1ecdn \u0111\u1ecbnh d\u1ea1ng ch\u00ednh x\u00e1c cho c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a b\u1ea1n hay tu\u00e2n th\u1ee7 gi\u1edbi h\u1ea1n t\u1eeb, h\u00e3y nh\u1edb \u0111\u1ecdc v\u00e0 l\u00e0m theo h\u01b0\u1edbng d\u1eabn m\u1ed9t c\u00e1ch c\u1ea9n th\u1eadn.<\/p>\n 3: B\u1ecf qua t\u1eeb kh\u00f3a. -> Th\u1ef1c h\u00e0nh x\u00e1c \u0111\u1ecbnh v\u00e0 b\u00f4i \u0111\u1eadm c\u00e1c t\u1eeb kh\u00f3a \u0111\u1ec3 c\u1ea3i thi\u1ec7n \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a b\u1ea1n.<\/p>\n 4: \u0110o\u00e1n m\u00e0 kh\u00f4ng c\u00f3 b\u1eb1ng ch\u1ee9ng. -> Tr\u01b0\u1edbc khi \u0111\u01b0a ra ph\u1ecfng \u0111o\u00e1n c\u00f3 c\u01a1 s\u1edf, h\u00e3y lu\u00f4n t\u00ecm ki\u1ebfm manh m\u1ed1i ho\u1eb7c b\u1ed1i c\u1ea3nh trong \u0111o\u1ea1n v\u0103n h\u1ed7 tr\u1ee3 cho l\u1ef1a ch\u1ecdn c\u00e2u tr\u1ea3 l\u1eddi c\u1ee7a b\u1ea1n.<\/p>\n 5: B\u1ecb m\u1eafc k\u1eb9t v\u1edbi nh\u1eefng c\u00e2u h\u1ecfi kh\u00f3. -> N\u1ebfu m\u1ed9t c\u00e2u h\u1ecfi c\u00f3 v\u1ebb \u0111\u1eb7c bi\u1ec7t kh\u00f3, h\u00e3y \u0111\u00e1nh d\u1ea5u n\u00f3 v\u00e0 ti\u1ebfp t\u1ee5c. B\u1ea1n c\u00f3 th\u1ec3 quay l\u1ea1i sau n\u1ebfu th\u1eddi gian cho ph\u00e9p.<\/p>\n 6: Kh\u00f4ng qu\u1ea3n l\u00fd th\u1eddi gian c\u1ee7a b\u1ea1n. -> H\u00e3y tu\u00e2n th\u1ee7 gi\u1edbi h\u1ea1n th\u1eddi gian c\u1ee7a b\u1ea1n v\u00e0 n\u1ebfu b\u1ea1n s\u1eafp h\u1ebft th\u1eddi gian cho m\u1ed9t ph\u1ea7n, h\u00e3y \u0111\u01b0a ra nh\u1eefng ph\u1ecfng \u0111o\u00e1n c\u00f3 c\u01a1 s\u1edf thay v\u00ec \u0111\u1ec3 tr\u1ed1ng c\u00e1c c\u00e2u h\u1ecfi.<\/p>\n [Note: This is an extract from an Academic Reading passage on the development of rockets. The text preceding this extract explored the slow development of the rocket and explained the principle of propulsion.]<\/span><\/p>\n The invention of rockets is linked inextricably with the invention of ‘black powder’. Most historians of technology credit the Chinese with its discovery. They base their belief on studies of Chinese writings or on the notebooks of early Europeans who settled in or made long visits to China to study its history and civilisation. It is probable that, some time in the tenth century, black powder was first compounded from its basic ingredients of saltpetre, charcoal and sulphur. But this does not mean that it was immediately used to propel rockets. By the thirteenth century, powder-propelled fire arrows had become rather common. The Chinese relied on this type of technological development to produce incendiary projectiles of many sorts, explosive grenades and possibly cannons to repel their enemies. One such weapon was the ‘basket of fire’ or, as directly translated from Chinese, the ‘arrows like flying leopards’. The 0.7 metre-long arrows, each with a long tube of gunpowder attached near the point of each arrow, could be fired from a long, octagonal-shaped basket at the same time and had a range of 400 paces. Another weapon was the ‘arrow as a flying sabre’, which could be fired from crossbows. The rocket, placed in a similar position to other rocket-propelled arrows, was designed to increase the range. A small iron weight was attached to the 1.5m bamboo shaft, just below the feathers, to increase the arrow’s stability by moving the centre of gravity to a position below the rocket. At a similar time, the Arabs had developed the ‘egg which moves and burns’. This ‘egg’ was apparently full of gunpowder and stabilised by a 1.5m tail. It was fired using two rockets attached to either side of this tail.<\/span><\/p>\n It was not until the eighteenth century that Europe became seriously interested in the possibilities of using the rocket itself as a weapon of war and not just to propel other weapons. Prior to this, rockets were used only in pyrotechnic displays. The incentive for the more aggressive use of rockets came not from within the European continent but from far-away India, whose leaders had built up a corps of rocketeers and used rockets successfully against the British in the late eighteenth century. The Indian rockets used against the British were described by a British Captain serving in India as \u2018an iron envelope about 200 millimetres long and 40 millimetres in diameter with sharp points at the top and a 3m-long bamboo guiding stick\u2019. In the early nineteenth century the British began to experiment with incendiary barrage rockets. The British rocket differed from the Indian version in that it was completely encased in a stout, iron cylinder, terminating in a conical head, measuring one metre in diameter and having a stick almost five metres long and constructed in such a way that it could be firmly attached to the body of the rocket. The Americans developed a rocket, complete with its own launcher, to use against the Mexicans in the mid-nineteenth century. A long cylindrical tube was propped up by two sticks and fastened to the top of the launcher, thereby allowing the rockets to be inserted and lit from the other end. However, the results were sometimes not that impressive as the behaviour of the rockets in flight was less than predictable.<\/span><\/p>\n Questions 7 \u2013 10<\/span><\/strong><\/p>\n Look at the following items (Questions 7-10) and the list of groups below. Match each item with the group which first invented or used them.<\/span><\/strong><\/p>\n Write the correct letter <\/span>A-E <\/span>in boxes 7-10 on your answer sheet.<\/span><\/strong><\/p>\n NB <\/span>You may use any letter more than once.<\/span><\/strong><\/p>\n <\/p>\n 7. <\/span>black powder<\/span><\/p>\n 8. <\/span>rocket-propelled arrows for fighting<\/span><\/p>\n 9. <\/span>rockets as war weapons<\/span><\/p>\n 10. <\/span>the rocket launcher<\/span><\/p>\n <\/p>\n First invented or used by<\/span><\/p>\n A\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 the Chinese<\/p>\n B\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 the Indians<\/p>\n C\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 the British<\/p>\n D\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 the Arabs<\/p>\n E\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 the Americans<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n <\/p>\n – \u0110\u00e1p \u00e1n (k\u00e8m gi\u1ea3i th\u00edch n\u1ebfu c\u00f3 \u0111\u1eb7c bi\u1ec7t)<\/p>\n 7 <\/span>A (d\u00f2ng 1-2 \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean: The invention of rockets is linked inextricably with the invention of ‘black powder’. Most historians of technology credit the Chinese with its discovery. – Vi\u1ec7c ph\u00e1t minh ra t\u00ean l\u1eeda c\u00f3 li\u00ean k\u1ebft ch\u1eb7t ch\u1ebd v\u1edbi vi\u1ec7c ph\u00e1t minh ra \u201cb\u1ed9t \u0111en\u201d. H\u1ea7u h\u1ebft c\u00e1c nh\u00e0 s\u1eed h\u1ecdc c\u00f4ng ngh\u1ec7 ghi c\u00f4ng ng\u01b0\u1eddi Trung Qu\u1ed1c v\u00ec \u0111\u00e3 kh\u00e1m ph\u00e1 ra n\u00f3.)<\/span><\/span><\/p>\n 8 <\/span>A (d\u00f2ng 5-6 \u0111o\u1ea1n \u0111\u1ea7u ti\u00ean: By the thirteenth century, powder-propelled fire arrows had become rather common. The Chinese relied on this type of technological development to produce incendiary projectiles of many sorts – \u0110\u1ebfn th\u1ebf k\u1ef7 th\u1ee9 13, m\u0169i t\u00ean l\u1eeda ch\u1ea1y b\u1eb1ng b\u1ed9t \u0111\u00e3 tr\u1edf n\u00ean ph\u1ed5 bi\u1ebfn. kh\u00e1 ph\u1ed5 bi\u1ebfn. Ng\u01b0\u1eddi Trung Qu\u1ed1c d\u1ef1a v\u00e0o ki\u1ec3u ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u1ec3 s\u1ea3n xu\u1ea5t nhi\u1ec1u lo\u1ea1i \u0111\u1ea1n g\u00e2y ch\u00e1y)<\/span><\/span><\/p>\n 9 <\/span>B (d\u00f2ng 3-4 \u0111o\u1ea1n th\u1ee9 hai:\u00a0The incentive for the more aggressive use of rockets came not from within the European continent but from far-away India, whose leaders had built up a corps of rocketeers and used rockets successfully against the British in the late eighteenth century. – S\u1ef1 khuy\u1ebfn kh\u00edch d\u00e0nh cho vi\u1ec7c s\u1eed d\u1ee5ng t\u00ean l\u1eeda m\u1ea1nh m\u1ebd h\u01a1n kh\u00f4ng ph\u1ea3i \u0111\u1ebfn t\u1eeb l\u1ee5c \u0111\u1ecba ch\u00e2u \u00c2u m\u00e0 l\u00e0 t\u1eeb \u1ea4n \u0110\u1ed9 xa x\u00f4i, n\u01a1i c\u00e1c nh\u00e0 l\u00e3nh \u0111\u1ea1o \u0111\u00e3 x\u00e2y d\u1ef1ng m\u1ed9t qu\u00e2n \u0111o\u00e0n ng\u01b0\u1eddi ph\u00f3ng t\u00ean l\u1eeda v\u00e0 s\u1eed d\u1ee5ng t\u00ean l\u1eeda ch\u1ed1ng l\u1ea1i ng\u01b0\u1eddi Anh th\u00e0nh c\u00f4ng v\u00e0o cu\u1ed1i th\u1ebf k\u1ef7 18.)<\/span><\/span><\/p>\n 10 <\/span>E (d\u00f2ng 10-11 \u0111o\u1ea1n th\u1ee9 hai:\u00a0The Americans developed a rocket, complete with its own launcher, to use against the Mexicans in the mid-nineteenth century. – Ng\u01b0\u1eddi M\u1ef9 \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u1ed9t lo\u1ea1i t\u00ean l\u1eeda c\u00f3 b\u1ec7 ph\u00f3ng ri\u00eang \u0111\u1ec3 s\u1eed d\u1ee5ng Tham kh\u1ea3o th\u00eam:<\/p>\n M\u1eb9o Ph\u00e2n B\u1ed5 Th\u1eddi Gian Thi IELTS Reading<\/a><\/span><\/strong><\/p>\n C\u00e1ch qu\u1ea3n l\u00fd th\u1eddi gian l\u00e0m IELTS Reading<\/a><\/span><\/strong><\/p>\n
<\/a><\/p>\n<\/span>T\u1ed5ng quan d\u1ea1ng b\u00e0i Classification<\/span><\/span><\/h2>\n
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<\/span>Chi\u1ebfn thu\u1eadt l\u00e0m b\u00e0i<\/span><\/span><\/h2>\n
<\/span>C\u00e1c tips l\u00e0m b\u00e0i d\u1ea1ng Classification<\/span><\/span><\/h2>\n
<\/span>Kh\u00f3 kh\u0103n & sai l\u1ea7m th\u01b0\u1eddng g\u1eb7p<\/span><\/span><\/h2>\n
<\/span>B\u00e0i luy\u1ec7n t\u1eadp d\u1ea1ng b\u00e0y n\u00e0y<\/span><\/span><\/h2>\n
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\nch\u1ed1ng l\u1ea1i ng\u01b0\u1eddi Mexico v\u00e0o gi\u1eefa th\u1ebf k\u1ef7 19.)<\/span><\/span><\/p>\n