{"segment":[{"time":14,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"\u0110\u1ecdc b\u00e0i v\u0103n sau r\u1ed3i tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi.","temp":"multiple_choice","correct":[[3]],"list":[{"point":10,"ques":"<b>B\u1ed3 c\u00e2u v\u00e0 ki\u1ebfn<\/b> <br\/><br\/> <span class='basic_left textindent basic_size18'> B\u00ean d\u00f2ng su\u1ed1i trong v\u00e0 m\u00e1t, c\u00f3 m\u1ed9t ch\u00fa B\u1ed3 C\u00e2u \u0111ang u\u1ed1ng n\u01b0\u1edbc th\u00ec th\u1ea5y m\u1ed9t ch\u00fa ki\u1ebfn nh\u1ecf r\u01a1i xu\u1ed1ng tr\u00f4i l\u1eadp l\u1edd. Ch\u00fa ta \u0111ang g\u1eafng h\u1ebft s\u1ee9c v\u00f9ng v\u1eaby nh\u1eb1m tho\u00e1t kh\u1ecfi d\u00f2ng n\u01b0\u1edbc cu\u1ed1n. Nh\u01b0ng v\u00f4 \u00edch, ch\u00fa ta ch\u1eb3ng th\u1ec3 n\u00e0o b\u01a1i v\u00e0o b\u1edd \u0111\u01b0\u1ee3c.<\/span><span class='basic_left textindent basic_size18'>B\u1ed3 C\u00e2u r\u1ee7 l\u00f2ng th\u01b0\u01a1ng x\u00f3t ng\u1eaft m\u1ed9t c\u00e0nh c\u1ecf n\u00e9m xu\u1ed1ng n\u01b0\u1edbc cho Ki\u1ebfn l\u00e0m c\u1ea7u tr\u00e8o l\u00ean. Th\u1ebf l\u00e0 Ki\u1ebfn ta tho\u00e1t n\u1ea1n.<\/span><span class='basic_left textindent basic_size18'>M\u1ed9t th\u1eddi gian sau, khi B\u1ed3 C\u00e2u \u0111ang m\u1ea3i t\u1ec9a l\u00f4ng th\u00ec c\u00f3 m\u1ed9t ng\u01b0\u1eddi th\u1ee3 s\u0103n mang s\u00fang b\u1ea5t ch\u1ee3t nh\u00ecn th\u1ea5y. Ch\u00fa chim qu\u1ea3 l\u00e0 b\u00e9o t\u1ed1t. Ng\u01b0\u1eddi th\u1ee3 s\u0103n ngh\u0129 ngay \u0111\u1ebfn m\u00f3n ch\u00e1o chim l\u00e0m b\u00e1c ta th\u00edch ch\u00ed. B\u00e1c ti\u1ebfn l\u1ea1i g\u1ea7n \u0111\u1ecbnh b\u1eafn th\u00ec Ki\u1ebfn nh\u00ecn th\u1ea5y, \u0111\u1ed1t v\u00e0o g\u00f3t ch\u00e2n khi\u1ebfn b\u00e1c ta ph\u1ea3i quay \u0111\u1ea7u l\u1ea1i. Th\u1ea5y \u0111\u1ed9ng, B\u1ed3 C\u00e2u tung c\u00e1nh bay xa. M\u00f3n s\u00fap c\u1ee7a b\u00e1c th\u1ee3 s\u0103n c\u0169ng tan th\u00e0nh m\u00e2y kh\u00f3i v\u00ec ch\u1eb3ng c\u00f2n B\u1ed3 C\u00e2u \u0111\u00e2u n\u1eefa.<\/span><span class='basic_right basic_gray basic_size18'>(Theo L\u00e9p-t\u00f4n-xt\u00f4i)<\/span><br\/><br\/><b>B\u1ed3 C\u00e2u \u0111\u00e3 th\u1ea5y g\u00ec khi \u0111ang u\u1ed1ng n\u01b0\u1edbc \u1edf b\u00ean su\u1ed1i?<\/b>","select":["N\u00f3 th\u1ea5y m\u1ed9t ch\u00fa Ki\u1ebfn b\u1ecb r\u01a1i xu\u1ed1ng n\u01b0\u1edbc.","N\u00f3 th\u1ea5y m\u1ed9t ch\u00fa Ki\u1ebfn r\u01a1i xu\u1ed1ng n\u01b0\u1edbc \u0111ang c\u1ed1 b\u01a1i v\u00e0o b\u1edd nh\u01b0ng kh\u00f4ng \u0111\u01b0\u1ee3c.","N\u00f3 th\u1ea5y m\u1ed9t ch\u00fa Ki\u1ebfn \u0111ang tr\u00f4i l\u1eadp l\u1edd d\u01b0\u1edbi n\u01b0\u1edbc.","N\u00f3 th\u1ea5y m\u1ed9t ch\u00fa Ki\u1ebfn \u0111ang b\u01a1i."],"explain":"<span class='basic_left textindent basic_size18'> \"B\u00ean d\u00f2ng su\u1ed1i trong v\u00e0 m\u00e1t, c\u00f3 m\u1ed9t ch\u00fa B\u1ed3 C\u00e2u \u0111ang u\u1ed1ng n\u01b0\u1edbc th\u00ec th\u1ea5y m\u1ed9t ch\u00fa ki\u1ebfn nh\u1ecf r\u01a1i xu\u1ed1ng tr\u00f4i l\u1eadp l\u1edd.\"<\/span><br\/>V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: N\u00f3 th\u1ea5y m\u1ed9t ch\u00fa Ki\u1ebfn \u0111ang tr\u00f4i l\u1eadp l\u1edd d\u01b0\u1edbi n\u01b0\u1edbc.","hint":"","column":1}]}],"id_ques":461},{"time":14,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"\u0110\u1ecdc b\u00e0i v\u0103n sau r\u1ed3i tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi.","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"<b>B\u1ed3 c\u00e2u v\u00e0 ki\u1ebfn<\/b> <br\/><br\/> <span class='basic_left textindent basic_size18'> B\u00ean d\u00f2ng su\u1ed1i trong v\u00e0 m\u00e1t, c\u00f3 m\u1ed9t ch\u00fa B\u1ed3 C\u00e2u \u0111ang u\u1ed1ng n\u01b0\u1edbc th\u00ec th\u1ea5y m\u1ed9t ch\u00fa ki\u1ebfn nh\u1ecf r\u01a1i xu\u1ed1ng tr\u00f4i l\u1eadp l\u1edd. Ch\u00fa ta \u0111ang g\u1eafng h\u1ebft s\u1ee9c v\u00f9ng v\u1eaby nh\u1eb1m tho\u00e1t kh\u1ecfi d\u00f2ng n\u01b0\u1edbc cu\u1ed1n. Nh\u01b0ng v\u00f4 \u00edch, ch\u00fa ta ch\u1eb3ng th\u1ec3 n\u00e0o b\u01a1i v\u00e0o b\u1edd \u0111\u01b0\u1ee3c.<\/span><span class='basic_left textindent basic_size18'>B\u1ed3 C\u00e2u r\u1ee7 l\u00f2ng th\u01b0\u01a1ng x\u00f3t ng\u1eaft m\u1ed9t c\u00e0nh c\u1ecf n\u00e9m xu\u1ed1ng n\u01b0\u1edbc cho Ki\u1ebfn l\u00e0m c\u1ea7u tr\u00e8o l\u00ean. Th\u1ebf l\u00e0 Ki\u1ebfn ta tho\u00e1t n\u1ea1n.<\/span><span class='basic_left textindent basic_size18'>M\u1ed9t th\u1eddi gian sau, khi B\u1ed3 C\u00e2u \u0111ang m\u1ea3i t\u1ec9a l\u00f4ng th\u00ec c\u00f3 m\u1ed9t ng\u01b0\u1eddi th\u1ee3 s\u0103n mang s\u00fang b\u1ea5t ch\u1ee3t nh\u00ecn th\u1ea5y. Ch\u00fa chim qu\u1ea3 l\u00e0 b\u00e9o t\u1ed1t. Ng\u01b0\u1eddi th\u1ee3 s\u0103n ngh\u0129 ngay \u0111\u1ebfn m\u00f3n ch\u00e1o chim l\u00e0m b\u00e1c ta th\u00edch ch\u00ed. B\u00e1c ti\u1ebfn l\u1ea1i g\u1ea7n \u0111\u1ecbnh b\u1eafn th\u00ec Ki\u1ebfn nh\u00ecn th\u1ea5y, \u0111\u1ed1t v\u00e0o g\u00f3t ch\u00e2n khi\u1ebfn b\u00e1c ta ph\u1ea3i quay \u0111\u1ea7u l\u1ea1i. Th\u1ea5y \u0111\u1ed9ng, B\u1ed3 C\u00e2u tung c\u00e1nh bay xa. M\u00f3n s\u00fap c\u1ee7a b\u00e1c th\u1ee3 s\u0103n c\u0169ng tan th\u00e0nh m\u00e2y kh\u00f3i v\u00ec ch\u1eb3ng c\u00f2n B\u1ed3 C\u00e2u \u0111\u00e2u n\u1eefa.<\/span><span class='basic_right basic_gray basic_size18'>(Theo L\u00e9p-t\u00f4n-xt\u00f4i)<\/span><br\/><br\/><b>V\u00ec sao Ki\u1ebfn \u0111\u00e3 c\u1ee9u B\u1ed3 C\u00e2u?<\/b>","select":["V\u00ec Ki\u1ebfn r\u1ee7 l\u00f2ng th\u01b0\u01a1ng B\u1ed3 C\u00e2u.","V\u00ec Ki\u1ebfn mu\u1ed1n c\u1ee9u ng\u01b0\u1eddi b\u1ea1n \u0111\u00e3 gi\u00fap m\u00ecnh tho\u00e1t n\u1ea1n.","V\u00ec Ki\u1ebfn r\u1ea5t c\u0103m gh\u00e9t ng\u01b0\u1eddi th\u1ee3 s\u0103n."],"explain":"<span class='basic_left textindent basic_size18'> B\u1ed3 C\u00e2u r\u1ee7 l\u00f2ng th\u01b0\u01a1ng x\u00f3t ng\u1eaft m\u1ed9t c\u00e0nh c\u1ecf n\u00e9m xu\u1ed1ng n\u01b0\u1edbc cho Ki\u1ebfn l\u00e0m c\u1ea7u tr\u00e8o l\u00ean. Th\u1ebf l\u00e0 Ki\u1ebfn ta tho\u00e1t n\u1ea1n.<\/span><br\/> V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0: <br\/>V\u00ec Ki\u1ebfn r\u1ee7 l\u00f2ng th\u01b0\u01a1ng B\u1ed3 C\u00e2u.","hint":"","column":1}]}],"id_ques":462},{"time":14,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"\u0110\u1ecdc b\u00e0i v\u0103n sau r\u1ed3i tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi.","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"<b>B\u1ed3 c\u00e2u v\u00e0 ki\u1ebfn<\/b> <br\/><br\/> <span class='basic_left textindent basic_size18'> B\u00ean d\u00f2ng su\u1ed1i trong v\u00e0 m\u00e1t, c\u00f3 m\u1ed9t ch\u00fa B\u1ed3 C\u00e2u \u0111ang u\u1ed1ng n\u01b0\u1edbc th\u00ec th\u1ea5y m\u1ed9t ch\u00fa ki\u1ebfn nh\u1ecf r\u01a1i xu\u1ed1ng tr\u00f4i l\u1eadp l\u1edd. Ch\u00fa ta \u0111ang g\u1eafng h\u1ebft s\u1ee9c v\u00f9ng v\u1eaby nh\u1eb1m tho\u00e1t kh\u1ecfi d\u00f2ng n\u01b0\u1edbc cu\u1ed1n. Nh\u01b0ng v\u00f4 \u00edch, ch\u00fa ta ch\u1eb3ng th\u1ec3 n\u00e0o b\u01a1i v\u00e0o b\u1edd \u0111\u01b0\u1ee3c.<\/span><span class='basic_left textindent basic_size18'>B\u1ed3 C\u00e2u r\u1ee7 l\u00f2ng th\u01b0\u01a1ng x\u00f3t ng\u1eaft m\u1ed9t c\u00e0nh c\u1ecf n\u00e9m xu\u1ed1ng n\u01b0\u1edbc cho Ki\u1ebfn l\u00e0m c\u1ea7u tr\u00e8o l\u00ean. Th\u1ebf l\u00e0 Ki\u1ebfn ta tho\u00e1t n\u1ea1n.<\/span><span class='basic_left textindent basic_size18'>M\u1ed9t th\u1eddi gian sau, khi B\u1ed3 C\u00e2u \u0111ang m\u1ea3i t\u1ec9a l\u00f4ng th\u00ec c\u00f3 m\u1ed9t ng\u01b0\u1eddi th\u1ee3 s\u0103n mang s\u00fang b\u1ea5t ch\u1ee3t nh\u00ecn th\u1ea5y. Ch\u00fa chim qu\u1ea3 l\u00e0 b\u00e9o t\u1ed1t. Ng\u01b0\u1eddi th\u1ee3 s\u0103n ngh\u0129 ngay \u0111\u1ebfn m\u00f3n ch\u00e1o chim l\u00e0m b\u00e1c ta th\u00edch ch\u00ed. B\u00e1c ti\u1ebfn l\u1ea1i g\u1ea7n \u0111\u1ecbnh b\u1eafn th\u00ec Ki\u1ebfn nh\u00ecn th\u1ea5y, \u0111\u1ed1t v\u00e0o g\u00f3t ch\u00e2n khi\u1ebfn b\u00e1c ta ph\u1ea3i quay \u0111\u1ea7u l\u1ea1i. Th\u1ea5y \u0111\u1ed9ng, B\u1ed3 C\u00e2u tung c\u00e1nh bay xa. M\u00f3n s\u00fap c\u1ee7a b\u00e1c th\u1ee3 s\u0103n c\u0169ng tan th\u00e0nh m\u00e2y kh\u00f3i v\u00ec ch\u1eb3ng c\u00f2n B\u1ed3 C\u00e2u \u0111\u00e2u n\u1eefa.<\/span><span class='basic_right basic_gray basic_size18'>(Theo L\u00e9p-t\u00f4n-xt\u00f4i)<\/span><br\/><br\/><b>C\u00e2u chuy\u1ec7n mu\u1ed1n khuy\u00ean ta \u0111i\u1ec1u g\u00ec?<\/b>","select":["Ph\u1ea3i bi\u1ebft th\u01b0\u01a1ng ng\u01b0\u1eddi.","Ph\u1ea3i bi\u1ebft gi\u00fap \u0111\u1ee1 ng\u01b0\u1eddi kh\u00e1c khi h\u1ecd g\u1eb7p n\u1ea1n.","Ph\u1ea3i bi\u1ebft k\u1ebft b\u1ea1n v\u1edbi ng\u01b0\u1eddi t\u1ed1t."],"explain":"C\u00e2u chuy\u1ec7n tr\u00ean mu\u1ed1n khuy\u00ean m\u1ed7i ch\u00fang ta khi nh\u00ecn th\u1ea5y ng\u01b0\u1eddi kh\u00e1c g\u1eb7p kh\u00f3 kh\u0103n ch\u00fang ta h\u00e3y c\u1ed1 g\u1eafng gi\u00fap \u0111\u1ee1 h\u1ecd.<br\/>V\u1eady ta ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0:<br\/> Ph\u1ea3i bi\u1ebft gi\u00fap \u0111\u1ee1 ng\u01b0\u1eddi kh\u00e1c khi h\u1ecd g\u1eb7p n\u1ea1n.","hint":"","column":1}]}],"id_ques":463},{"time":14,"part":[{"title":"G\u1ea1ch d\u01b0\u1edbi b\u1ed9 ph\u1eadn tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi: \"\u1ede \u0111\u00e2u\" trong c\u00e2u sau:","title_trans":"","temp":"mistake_p","correct":[[0]],"list":[{"point":10,"num_mis":"6","type":"underline","ques":"<span>B\u00ean d\u00f2ng su\u1ed1i trong v\u00e0 m\u00e1t<\/span>, <span>c\u00f3 m\u1ed9t ch\u00fa b\u1ed3 c\u00e2u \u0111ang u\u1ed1ng n\u01b0\u1edbc.<\/span>","hint":"","explain":"B\u1ed9 ph\u1eadn tr\u1ea3 l\u1eddi cho c\u00e2u h\u1ecfi: \"\u1ede \u0111\u00e2u\" trong c\u00e2u \u0111\u00e3 cho l\u00e0: B\u00ean d\u00f2ng su\u1ed1i trong v\u00e0 m\u00e1t"}]}],"id_ques":464},{"time":14,"part":[{"title":"G\u1ea1ch d\u01b0\u1edbi c\u00e1c ch\u1eef b\u1eaft \u0111\u1ea7u b\u1eb1ng <i>r, tr, s<\/i> trong c\u00e2u sau:","title_trans":"","temp":"mistake_p","correct":[[2,3,20,22]],"list":[{"point":10,"num_mis":"4","type":"underline","ques":" <span>B\u00ean<\/span> <span>d\u00f2ng<\/span> <span>su\u1ed1i<\/span> <span>trong<\/span> <span>v\u00e0<\/span> <span>m\u00e1t<\/span>, <span>c\u00f3<\/span> <span>m\u1ed9t<\/span> <span>ch\u00fa<\/span> <span>b\u1ed3<\/span> <span>c\u00e2u<\/span> <span>\u0111ang<\/span> <span>u\u1ed1ng<\/span> <span>n\u01b0\u1edbc<\/span> <span>th\u00ec<\/span> <span>th\u1ea5y<\/span> <span>m\u1ed9t<\/span> <span>ch\u00fa<\/span> <span>Ki\u1ebfn<\/span> <span>nh\u1ecf<\/span> <span>r\u01a1i<\/span> <span>xu\u1ed1ng<\/span> <span>tr\u00f4i<\/span> <span>l\u1eadp<\/span> <span>l\u1edd<\/span>.","hint":"","explain":"C\u00e1c ch\u1eef b\u1eaft \u0111\u1ea7u b\u1eb1ng <b>r, tr, s<\/b> trong c\u00e2u \u0111\u00e3 cho l\u00e0: <b>su\u1ed1i, trong, , r\u01a1i, tr\u00f4i<\/b>. "}]}],"id_ques":465},{"time":14,"part":[{"title":"S\u1eafp x\u1ebfp t\u00ean c\u00e1c lo\u00e0i chim d\u01b0\u1edbi \u0111\u00e2y v\u00e0o nh\u00f3m th\u00edch h\u1ee3p.","title_trans":"","temp":"group_word","correct":[[["v\u00e0ng anh","c\u00fa m\u00e8o"],["qu\u1ea1","cu\u1ed1c"],["g\u00f5 ki\u1ebfn","chim s\u00e2u"]]],"list":[{"point":10,"word":["c\u00fa m\u00e8o","g\u00f5 ki\u1ebfn","chim s\u00e2u","qu\u1ea1","cu\u1ed1c","v\u00e0ng anh"],"col_name":["G\u1ecdi t\u00ean theo h\u00ecnh d\u00e1ng","G\u1ecdi t\u00ean theo ti\u1ebfng k\u00eau","G\u1ecdi t\u00ean theo c\u00e1ch ki\u1ebfm \u0103n"],"hint":"","number_true":[2,2,2]}]}],"id_ques":466},{"time":14,"part":[{"title":"N\u1ed1i t\u00ean lo\u00e0i chim \u1edf c\u1ed9t b\u00ean tr\u00e1i v\u1edbi l\u1eddi gi\u1ea3i ngh\u0129a th\u00edch h\u1ee3p \u1edf c\u1ed9t b\u00ean ph\u1ea3i.","title_trans":"","audio":"","temp":"matching","correct":[["3","4","2","1"]],"list":[{"point":10,"ques":"","left":["H\u1ecda mi","V\u00e0ng anh","B\u00f3i c\u00e1","Tu h\u00fa"],"right":["Chim l\u1edbn h\u01a1n s\u00e1o, l\u00f4ng \u0111en nh\u1ea1t, c\u00f3 nhi\u1ec1u ch\u1ea5m tr\u1eafng, th\u01b0\u1eddng k\u00eau v\u00e0o \u0111\u1ea7u m\u00f9a h\u00e8.","Chim s\u1ed1ng g\u1ea7n n\u01b0\u1edbc, m\u1ecf d\u00e0i, l\u00f4ng xanh, ng\u1ef1c n\u00e2u, hay nh\u00e0o xu\u1ed1ng n\u01b0\u1edbc \u0111\u1ec3 b\u1eaft c\u00e1.","Chim g\u1ea7n gi\u1ed1ng v\u1edbi kh\u01b0\u1edbu, l\u00f4ng m\u00e0u n\u00e2u v\u00e0ng, tr\u00ean m\u00ed m\u1eaft c\u00f3 v\u00e0nh l\u00f4ng tr\u1eafng, h\u00f3t hay.","Chim thu\u1ed9c b\u1ed9 s\u1ebb, c\u1ee1 l\u1edbn b\u1eb1ng chim s\u00e1o, l\u00f4ng m\u00e0u v\u00e0ng, h\u00f3t hay."],"hint":"","top":120}]}],"id_ques":467},{"time":14,"part":[{"title":"Ch\u1ecdn ch\u1eef th\u00edch h\u1ee3p \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng.","title_trans":"","correct":[["tre"],["che"]],"temp":"drop_blank","list":[{"point":10,"word":["tre","che"],"ques":"<p>- c\u00e2y _dr_blank_; _dr_blank_ ch\u1edf<\/p>","explain":" C\u00e1c ch\u1eef th\u00edch h\u1ee3p c\u1ea7n \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng l\u00e0: c\u00e2y <b>tre<\/b>, <b>che<\/b> ch\u1edf"}]}],"id_ques":468},{"time":14,"part":[{"title":"T\u1eeb n\u00e0o thu\u1ed9c nh\u00f3m ch\u1ec9 th\u1eddi ti\u1ebft c\u1ee7a m\u00f9a xu\u00e2n trong c\u00e1c t\u1eeb sau:","title_trans":"Ch\u1ecdn \u0111\u01b0\u1ee3c nhi\u1ec1u \u0111\u00e1p \u00e1n","temp":"checkbox","correct":[["1","2"]],"list":[{"point":10,"img":"","ques":"","hint":"","column":3,"number_true":2,"select":["\u1ea5m \u00e1p","\u1ea9m \u01b0\u1edbt","oi \u1ea3","m\u00e1t m\u1ebb","gi\u00e1 l\u1ea1nh","n\u00f3ng b\u1ee9c"],"explain":"C\u00e1c t\u1eeb ch\u1ec9 th\u1eddi ti\u1ebft c\u1ee7a m\u00f9a xu\u00e2n trong d\u00e3y t\u1eeb \u0111\u00e3 cho l\u00e0:<br\/><b>\u1ea5m \u00e1p, \u1ea9m \u01b0\u1edbt<\/b>"}]}],"id_ques":469},{"time":14,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":10,"ques":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop2/tiengviet/bai21/lv1/img\/tuan21-d1-10.png' \/><\/center>Trong c\u00e2u: \"<b>Ch\u00fa chim qu\u1ea3 l\u00e0 b\u00e9o t\u1ed1t.\"<\/b> thu\u1ed9c ki\u1ec3u c\u00e2u:<\/b>","select":["Ai l\u00e0m g\u00ec?","Ai th\u1ebf n\u00e0o?","Ai l\u00e0 g\u00ec?"],"explain":"C\u00e2u \u0111\u00e3 cho thu\u1ed9c ki\u1ec3u c\u00e2u <b>Ai th\u1ebf n\u00e0o?<\/b>","hint":"","column":3}]}],"id_ques":470}],"lesson":{"save":0,"level":1}}