{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" M\u00e1y bi\u1ebfn th\u1ebf d\u00f9ng \u0111\u1ec3? ","select":["A. Gi\u1eef cho hi\u1ec7u \u0111i\u1ec7n th\u1ebf \u1ed5n \u0111\u1ecbnh, kh\u00f4ng \u0111\u1ed5i.","B. Gi\u1eef cho c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh, kh\u00f4ng \u0111\u1ed5i.","C. L\u00e0m t\u0103ng ho\u1eb7c gi\u1ea3m c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n.","D. L\u00e0m t\u0103ng ho\u1eb7c gi\u1ea3m hi\u1ec7u \u0111i\u1ec7n th\u1ebf."],"hint":"","explain":"<span class='basic_left'> M\u00e1y bi\u1ebfn th\u1ebf d\u00f9ng \u0111\u1ec3: l\u00e0m t\u0103ng ho\u1eb7c gi\u1ea3m hi\u1ec7u \u0111i\u1ec7n th\u1ebf.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":3351},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"N\u1ebfu \u0111\u1eb7t v\u00e0o hai \u0111\u1ea7u cu\u1ed9n d\u00e2y s\u01a1 c\u1ea5p c\u1ee7a m\u00e1y bi\u1ebfn th\u1ebf m\u1ed9t hi\u1ec7u \u0111i\u1ec7n th\u1ebf xoay chi\u1ec1u th\u00ec t\u1eeb tr\u01b0\u1eddng trong l\u00f5i s\u1eaft t\u01b0\u0300 s\u1ebd ","select":["A. lu\u00f4n gi\u1ea3m.","B. lu\u00f4n t\u0103ng.","C. bi\u1ebfn thi\u00ean. ","D. kh\u00f4ng bi\u1ebfn thi\u00ean."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3352},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" T\u01b0\u0300 tr\u01b0\u01a1\u0300ng sinh ra trong lo\u0303i s\u0103\u0301t cu\u0309a ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 la\u0300 t\u01b0\u0300 tr\u01b0\u01a1\u0300ng ","select":["A. kh\u00f4ng thay \u0111\u00f4\u0309i.","B. bi\u00ea\u0301n thi\u00ean.","C. ma\u0323nh.","D. kh\u00f4ng bi\u1ebfn thi\u00ean."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3353},{"time":24,"part":[{"title":"","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Khi no\u0301i v\u00ea\u0300 ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 pha\u0301t bi\u00ea\u0309u na\u0300o kh\u00f4ng \u0111u\u0301ng: Ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 hoa\u0323t \u0111\u00f4\u0323ng","select":["A. d\u01b0\u0323a va\u0300o hi\u00ea\u0323n t\u01b0\u01a1\u0323ng ca\u0309m \u01b0\u0301ng \u0111i\u00ea\u0323n t\u01b0\u0300.","B. v\u01a1\u0301i do\u0300ng \u0111i\u00ea\u0323n xoay chi\u00ea\u0300u.","C. lu\u00f4n co\u0301 hao phi\u0301 \u0111i\u00ea\u0323n n\u0103ng.","D. bi\u00ea\u0301n \u0111\u00f4\u0309i \u0111i\u00ea\u0323n n\u0103ng tha\u0300nh c\u01a1 n\u0103ng."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":3354},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Kh\u00f4ng th\u1ec3 s\u01b0\u0309 du\u0323ng d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i \u0111\u1ec3 ch\u1ea1y m\u00e1y bi\u1ebfn th\u1ebf v\u00ec khi s\u01b0\u0309 du\u0323ng d\u00f2ng \u0111i\u1ec7n kh\u00f4ng \u0111\u1ed5i th\u00ec t\u1eeb tr\u01b0\u1eddng trong l\u00f5i s\u0103\u0301t t\u01b0\u0300 c\u1ee7a m\u00e1y bi\u1ebfn th\u1ebf ","select":["A. ch\u1ec9 c\u00f3 th\u1ec3 t\u0103ng.","B. ch\u1ec9 c\u00f3 th\u1ec3 gi\u1ea3m. ","C. kh\u00f4ng th\u00ea\u0309 bi\u1ebfn thi\u00ean.","D. kh\u00f4ng \u0111\u01b0\u1ee3c ta\u0323o ra."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3355},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Khi c\u00f3 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u, kh\u00f4ng \u0111\u1ed5i ch\u1ea1y trong cu\u1ed9n d\u00e2y s\u01a1 c\u1ea5p c\u1ee7a m\u1ed9t m\u00e1y bi\u1ebfn th\u1ebf th\u00ec trong cu\u1ed9n th\u1ee9 c\u1ea5p \u0111\u00e3 n\u1ed1i th\u00e0nh m\u1ea1ch k\u00edn ","select":["A. c\u00f3 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u kh\u00f4ng \u0111\u1ed5i. ","B. c\u00f3 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u bi\u1ebfn \u0111\u1ed5i.","C. c\u00f3 d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u. ","D. v\u00e2\u0303n kh\u00f4ng xu\u00e2\u0301t hi\u00ea\u0323n d\u00f2ng \u0111i\u1ec7n. "],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3356},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"M\u00f4\u0323t ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 co\u0301 s\u00f4\u0301 vo\u0300ng d\u00e2y cu\u00f4\u0323n s\u01a1 c\u00e2\u0301p g\u00e2\u0301p 3 l\u00e2\u0300n s\u00f4\u0301 vo\u0300ng d\u00e2y cu\u00f4\u0323n th\u01b0\u0301 c\u00e2\u0301p thi\u0300 hi\u1ec7u \u0111i\u1ec7n th\u1ebf \u1edf hai \u0111\u1ea7u cu\u1ed9n th\u1ee9 c\u1ea5p so v\u1edbi hi\u1ec7u \u0111i\u1ec7n th\u1ebf \u1edf hai \u0111\u1ea7u cu\u1ed9n s\u01a1 c\u1ea5p s\u1ebd ","select":["A. gia\u0309m 3 l\u00e2\u0300n.","B. t\u0103ng 3 l\u00e2\u0300n.","C. gia\u0309m 6 l\u00e2\u0300n.","D. t\u0103ng 6 l\u00e2\u0300n."],"hint":"","explain":"<span class='basic_left'>$\\dfrac{{{U}_{1}}}{{{U}_{2}}}=\\dfrac{{{N}_{1}}}{{{N}_{2}}}$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3357},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"M\u00f4\u0323t ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 co\u0301 s\u00f4\u0301 vo\u0300ng d\u00e2y cu\u00f4\u0323n th\u01b0\u0301 c\u00e2\u0301p g\u00e2\u0301p 3 l\u00e2\u0300n s\u00f4\u0301 vo\u0300ng d\u00e2y cu\u00f4\u0323n s\u01a1 c\u00e2\u0301p thi\u0300 hi\u1ec7u \u0111i\u1ec7n th\u1ebf \u1edf hai \u0111\u1ea7u cu\u1ed9n th\u1ee9 c\u1ea5p so v\u1edbi hi\u1ec7u \u0111i\u1ec7n th\u1ebf \u1edf hai \u0111\u1ea7u cu\u1ed9n s\u01a1 c\u1ea5p s\u1ebd ","select":["A. gia\u0309m 3 l\u00e2\u0300n.","B. t\u0103ng 3 l\u00e2\u0300n. ","C. gia\u0309m 6 l\u00e2\u0300n.","D. t\u0103ng 6 l\u00e2\u0300n."],"hint":"","explain":"<span class='basic_left'>$\\dfrac{{{U}_{1}}}{{{U}_{2}}}=\\dfrac{{{N}_{1}}}{{{N}_{2}}}$ <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3358},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 la\u0300 thi\u00ea\u0301t b\u1ecb ","select":["A. gi\u01b0\u0303 hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301 kh\u00f4ng \u0111\u00f4\u0309i.","B. gi\u01b0\u0303 c\u01b0\u01a1\u0300ng \u0111\u00f4\u0323 do\u0300ng \u0111i\u00ea\u0323n kh\u00f4ng \u0111\u00f4\u0309i. ","C. bi\u00ea\u0301n \u0111\u00f4\u0309i hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301 xoay chi\u1ec1u. ","D. bi\u00ea\u0301n \u0111\u00f4\u0309i c\u01b0\u01a1\u0300ng \u0111\u00f4\u0323 do\u0300ng \u0111i\u00ea\u0323n kh\u00f4ng \u0111\u1ed5i. "],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3359},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Trong m\u00e1y bi\u1ebfn th\u1ebf ","select":["A. C\u1ea3 hai cu\u1ed9n d\u00e2y \u0111\u1ec1u \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 cu\u1ed9n s\u01a1 c\u1ea5p.","B. C\u1ea3 hai cu\u1ed9n d\u00e2y \u0111\u1ec1u \u0111\u01b0\u1ee3c g\u1ecdi chung l\u00e0 cu\u1ed9n th\u1ee9 c\u1ea5p.","C. Cu\u1ed9n d\u1eabn \u0111i\u1ec7n v\u00e0o l\u00e0 cu\u1ed9n s\u01a1 c\u1ea5p, cu\u1ed9n d\u1eabn \u0111i\u1ec7n ra l\u00e0 cu\u1ed9n th\u1ee9 c\u1ea5p.","D. Cu\u1ed9n d\u1eabn \u0111i\u1ec7n v\u00e0o l\u00e0 cu\u1ed9n th\u1ee9 c\u1ea5p, cu\u1ed9n d\u1eabn \u0111i\u1ec7n ra l\u00e0 cu\u1ed9n s\u01a1 c\u1ea5p."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":3360},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"M\u00e1y bi\u1ebfn th\u1ebf la\u0300 thi\u1ebft b\u1ecb du\u0300ng \u0111\u00ea\u0309 bi\u1ebfn \u0111\u1ed5i hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a d\u00f2ng \u0111i\u1ec7n ","select":["A. xoay chi\u1ec1u. ","B. m\u1ed9t chi\u1ec1u kh\u00f4ng \u0111\u1ed5i.","C. xoay chi\u1ec1u va\u0300 ca\u0309 m\u1ed9t chi\u1ec1u kh\u00f4ng \u0111\u1ed5i.","D. kh\u00f4ng \u0111\u00f4\u0309i."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3361},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u00f4\u0323t ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 co\u0301 hai cu\u00f4\u0323n d\u00e2y v\u01a1\u0301i s\u00f4\u0301 vo\u0300ng d\u00e2y t\u01b0\u01a1ng \u01b0\u0301ng la\u0300 125 vo\u0300ng va\u0300 600 vo\u0300ng. S\u01b0\u0309 du\u0323ng ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 na\u0300y ","select":["A. chi\u0309 la\u0300m t\u0103ng hi\u1ec7u \u0111i\u1ec7n th\u1ebf.","B. chi\u0309 la\u0300m gia\u0309m hi\u1ec7u \u0111i\u1ec7n th\u1ebf.","C. co\u0301 th\u00ea\u0309 la\u0300m t\u0103ng ho\u0103\u0323c gia\u0309m hi\u1ec7u \u0111i\u1ec7n th\u1ebf. ","D. co\u0301 th\u00ea\u0309 \u0111\u00f4\u0300ng th\u01a1\u0300i la\u0300m t\u0103ng va\u0300 gia\u0309m hi\u1ec7u \u0111i\u1ec7n th\u1ebf."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3362},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"M\u00e1y bi\u1ebfn th\u1ebf c\u00f3 t\u00e1c d\u1ee5ng g\u00ec? ","select":["A. Gi\u1eef cho hi\u1ec7u \u0111i\u1ec7n th\u1ebf \u1ed5n \u0111\u1ecbnh.","B. Gi\u1eef cho c\u01b0\u1eddng \u0111\u1ed9 d\u00f2ng \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh.","C. L\u00e0m t\u0103ng ho\u1eb7c gi\u1ea3m hi\u1ec7u \u0111i\u1ec7n th\u1ebf.","D. L\u00e0m thay \u0111\u1ed5i v\u1ecb tr\u00ed c\u1ee7a m\u00e1y."],"hint":"","explain":"<span class='basic_left'>M\u00e1y bi\u1ebfn th\u1ebf (m\u00e1y bi\u1ebfn \u00e1p ) d\u00f9ng \u0111\u1ec3 thay \u0111\u1ed5i hi\u1ec7u \u0111i\u1ec7n th\u1ebf t\u1eeb tr\u1ea1m cung c\u1ea5p \u0111\u1ebfn c\u00e1c tr\u1ea1m ti\u00eau th\u1ee5, qua c\u00e1c tr\u1ea1m ti\u00eau th\u1ee5 hi\u1ec7u \u0111i\u1ec7n th\u1ebf s\u1ebd \u0111\u01b0\u1ee3c gi\u1ea3m \u0111\u1ebfn m\u1ed9t m\u1ee9c nh\u1ea5t \u0111\u1ecbnh ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u d\u00f9ng \u0111i\u1ec7n t\u1ea1i n\u01a1i \u0111\u00f3 v\u00e0 tr\u00e1nh g\u00e2y nguy hi\u1ec3m cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng. <br\/>C\u00f3 th\u1ec3 hi\u1ec3u n\u00f4m na l\u00e0 m\u00e1y bi\u1ebfn th\u1ebf c\u00f3 t\u00e1c d\u1ee5ng gi\u1ea3m \u0111i\u1ec7n \u00e1p t\u1eeb cao xu\u1ed1ng th\u1ea5p , v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":3363},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Cu\u1ed9n s\u01a1 c\u1ea5p c\u1ee7a m\u1ed9t m\u00e1y bi\u1ebfn th\u1ebf c\u00f3 4400 v\u00f2ng v\u00e0 cu\u1ed9n th\u1ee9 c\u1ea5p c\u00f3 240 v\u00f2ng. N\u1ebfu hi\u1ec7u \u0111i\u1ec7n th\u1ebf gi\u1eefa hai \u0111\u1ea7u cu\u1ed9n s\u01a1 c\u1ea5p l\u00e0 220V, th\u00ec hi\u1ec7u \u0111i\u1ec7n th\u1ebf gi\u1eefa hai \u0111\u1ea7u cu\u1ed9n th\u1ee9 c\u1ea5p l\u00e0 ","select":["A. 50V.","B. 120V.","C. 12V. ","D. 60V."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":3364},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":"S\u00f4\u0301 vo\u0300ng d\u00e2y cu\u1ed9n s\u01a1 c\u1ea5p va\u0300 cu\u1ed9n th\u1ee9 c\u1ea5p c\u1ee7a m\u1ed9t m\u00e1y bi\u1ebfn th\u1ebf l\u00e2\u0300n l\u01b0\u01a1\u0323t c\u00f3 15000 v\u00f2ng v\u00e0 150 v\u00f2ng. N\u1ebfu hi\u1ec7u \u0111i\u1ec7n th\u1ebf gi\u1eefa hai \u0111\u1ea7u cu\u1ed9n th\u01b0\u0301 c\u1ea5p l\u00e0 220V, th\u00ec hi\u00ea\u0323u \u0111i\u1ec7n th\u1ebf gi\u1eefa hai \u0111\u1ea7u cu\u1ed9n s\u01a1 c\u1ea5p l\u00e0 ","select":["A. 22000V. ","B. 2200V.","C. 22V. ","D. 2,2V."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3365},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 la\u0300 thi\u00ea\u0301t bi\u0323 chi\u0309 \u0111\u01b0\u01a1\u0323c du\u0300ng \u0111\u00ea\u0309 ","select":["A. t\u0103ng hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301 xoay chi\u1ec1u.","B. gia\u0309m hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301 xoay chi\u1ec1u.","C. bi\u00ea\u0301n \u0111\u00f4\u0309i hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301 xoay chi\u1ec1u. ","D. gi\u01b0\u0303 \u00f4\u0309n \u0111i\u0323nh hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301. "],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":3366},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 du\u0300ng \u0111\u00ea\u0309: ","select":["A. t\u0103ng, gia\u0309m hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301 m\u00f4\u0323t chi\u00ea\u0300u.","B. t\u0103ng, gia\u0309m hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301 xoay chi\u00ea\u0300u. ","C. ta\u0323o ra do\u0300ng \u0111i\u00ea\u0323n m\u00f4\u0323t chi\u00ea\u0300u.","D. ta\u0323o ra do\u0300ng \u0111i\u00ea\u0323n xoay chi\u00ea\u0300u."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":3367},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 la\u0300 thi\u00ea\u0301t bi\u0323 bi\u00ea\u0301n \u0111\u00f4\u0309i ","select":["A. hi\u00ea\u0323u \u0111i\u00ea\u0323n th\u00ea\u0301 xoay chi\u1ec1u.","B. c\u01b0\u01a1\u0300ng \u0111\u00f4\u0323 do\u0300ng \u0111i\u00ea\u0323n kh\u00f4ng \u0111\u1ed5i.","C. c\u00f4ng su\u00e2\u0301t \u0111i\u00ea\u0323n. ","D. \u0111i\u00ea\u0323n n\u0103ng tha\u0300nh c\u01a1 n\u0103ng."],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3368},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 co\u0301 cu\u00f4\u0323n d\u00e2y. ","select":["A. \u0111\u01b0a \u0111i\u00ea\u0323n va\u0300o la\u0300 cu\u00f4\u0323n s\u01a1 c\u00e2\u0301p. ","B. \u0111\u01b0a \u0111i\u00ea\u0323n va\u0300o la\u0300 cu\u00f4\u0323n cung c\u00e2\u0301p. ","C. \u0111\u01b0a \u0111i\u00ea\u0323n va\u0300o la\u0300 cu\u00f4\u0323n cung c\u00e2\u0301p. ","D. l\u1ea5y \u0111i\u1ec7n ra l\u00e0 cu\u00f4\u0323n s\u01a1 c\u00e2\u0301p"],"hint":"","explain":"<span class='basic_left'><br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":3369},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"V\u01a1\u0301i 2 cu\u00f4\u0323n d\u00e2y co\u0301 s\u00f4\u0301 vo\u0300ng d\u00e2y kha\u0301c nhau \u01a1\u0309 ma\u0301y bi\u00ea\u0301n th\u00ea\u0301 ","select":["A. cu\u00f4\u0323n d\u00e2y i\u0301t vo\u0300ng h\u01a1n la\u0300 cu\u00f4\u0323n s\u01a1 c\u00e2\u0301p.","B. cu\u00f4\u0323n d\u00e2y nhi\u00ea\u0300u vo\u0300ng h\u01a1n la\u0300 cu\u00f4\u0323n s\u01a1 c\u00e2\u0301p.","C. cu\u00f4\u0323n d\u00e2y i\u0301t vo\u0300ng h\u01a1n la\u0300 cu\u00f4\u0323n th\u01b0\u0301 c\u00e2\u0301p.","D. cu\u00f4\u0323n d\u00e2y na\u0300o cu\u0303ng co\u0301 th\u00ea\u0309 la\u0300 cu\u00f4\u0323n th\u01b0\u0301 c\u00e2\u0301p. "],"hint":"","explain":"<span class='basic_left'>T\u00f9y thu\u1ed9c v\u00e0o m\u00e1y t\u0103ng \u00e1p hay h\u1ea1 \u00e1p m\u00e0 s\u1ed1 v\u00f2ng \u1edf m\u1ed7i cu\u1ed9n s\u01a1 c\u1ea5p ho\u1eb7c th\u1ee9 c\u1ea5p s\u1ebd kh\u00e1c nhau n\u00ean cu\u00f4\u0323n d\u00e2y na\u0300o cu\u0303ng co\u0301 th\u00ea\u0309 la\u0300 cu\u00f4\u0323n th\u01b0\u0301 c\u00e2\u0301p. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":3370}],"lesson":{"save":0,"level":2}}