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{"segment":[{"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":"H\u00e3y cho bi\u1ebft \u00e2m kh\u00f4ng th\u1ec3 truy\u1ec1n qua m\u00f4i tr\u01b0\u1eddng n\u00e0o sau \u0111\u00e2y?","select":["A. Kh\u00f4ng kh\u00ed","B. Ch\u00e2n kh\u00f4ng","C. R\u1eafn","D. L\u1ecfng"],"hint":"","explain":"<span class='basic_left'>\u00c2m kh\u00f4ng th\u1ec3 truy\u1ec1n qua m\u00f4i tr\u01b0\u1eddng ch\u00e2n kh\u00f4ng v\u00ec kh\u00f4ng c\u00f3 v\u1eadt ch\u1ea5t \u0111\u1ec3 truy\u1ec1n dao \u0111\u1ed9ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2331},{"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":"Ti\u1ebfng vang l\u00e0 g\u00ec?","select":["A. \u00c2m ph\u1ea3n x\u1ea1","B. \u00c2m ph\u1ea3n x\u1ea1 \u0111\u1ebfn c\u00f9ng m\u1ed9t l\u00fac v\u1edbi \u00e2m ph\u00e1t ra","C. \u00c2m ph\u1ea3n x\u1ea1 truy\u1ec1n \u0111i m\u1ecdi h\u01b0\u1edbng, kh\u00f4ng nh\u1ea5t thi\u1ebft ph\u1ea3i truy\u1ec1n \u0111\u1ebfn tai","D. \u00c2m ph\u1ea3n x\u1ea1 nghe \u0111\u01b0\u1ee3c c\u00e1ch bi\u1ec7t v\u1edbi \u00e2m ph\u00e1t ra"],"hint":"","explain":"<span class='basic_left'>Ti\u1ebfng vang l\u00e0 \u00e2m ph\u1ea3n x\u1ea1 nghe \u0111\u01b0\u1ee3c c\u00e1ch bi\u1ec7t v\u1edbi \u00e2m ph\u00e1t ra.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2332},{"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":"Tr\u01b0\u1eddng h\u1ee3p n\u00e0o sau \u0111\u00e2y c\u00f3 \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n?","select":["A. Ti\u1ebfng c\u00f2i xe c\u1ee9u h\u1ecfa (hay ti\u1ebfng k\u1ebbng b\u00e1o ch\u00e1y)","B. L\u00e0m vi\u1ec7c c\u1ea1nh n\u01a1i n\u1ed5 m\u00ecn, ph\u00e1 \u0111\u00e1","C. Ti\u1ebfng \u1ed3n c\u1ee7a tr\u1ebb em l\u00e0m \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn cu\u1ed9c n\u00f3i chuy\u1ec7n gi\u1eefa hai ng\u01b0\u1eddi l\u1edbn","D. H\u00e1t th\u00ec th\u1ea7m l\u00fac ban \u0111\u00eam"],"hint":"","explain":"<span class='basic_left'>L\u00e0m vi\u1ec7c c\u1ea1nh n\u01a1i n\u1ed5 m\u00ecn, ph\u00e1 \u0111\u00e1 ch\u1ecbu \u1ea3nh h\u01b0\u1edfng l\u1edbn b\u1edfi ti\u1ebfng \u1ed3n do m\u00e1y ph\u00e1 \u0111\u00e1, m\u00ecn n\u1ed5. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2333},{"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":"Ch\u1ecdn c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00fang ?","select":["A. \u00c2m truy\u1ec1n nhanh h\u01a1n \u00e1nh s\u00e1ng.","B. C\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c ti\u1ebfng s\u1ea5m tr\u01b0\u1edbc khi nh\u00ecn th\u1ea5y ch\u1edbp.","C. \u00c2m kh\u00f4ng th\u1ec3 truy\u1ec1n trong ch\u00e2n kh\u00f4ng. ","D. \u00c2m kh\u00f4ng th\u1ec3 truy\u1ec1n qua n\u01b0\u1edbc."],"hint":"","explain":"<span class='basic_left'>\u00c2m kh\u00f4ng th\u1ec3 truy\u1ec1n trong ch\u00e2n kh\u00f4ng v\u00ec kh\u00f4ng c\u00f3 v\u1eadt ch\u1ea5t \u0111\u1ec3 truy\u1ec1n dao \u0111\u1ed9ng. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2334},{"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":"Khi n\u00e0o th\u00ec tai c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c \u00e2m to nh\u1ea5t?","select":["A. \u00c2m ph\u00e1t ra \u0111\u1ebfn tai c\u00f9ng l\u00fac v\u1edbi \u00e2m ph\u1ea3n x\u1ea1","B. \u00c2m ph\u00e1t ra \u0111\u1ebfn tai tr\u01b0\u1edbc \u00e2m ph\u1ea3n x\u1ea1","C.\u00c2m ph\u00e1t ra \u0111\u1ebfn tai, \u00e2m ph\u1ea3n x\u1ea1 \u0111i n\u01a1i kh\u00e1c kh\u00f4ng \u0111\u1ebfn tai","D. C\u1ea3 ba tr\u01b0\u1eddng h\u1ee3p tr\u00ean"],"hint":"","explain":"<span class='basic_left'>Khi \u00e2m ph\u00e1t ra \u0111\u1ebfn tai c\u00f9ng l\u00fac v\u1edbi \u00e2m ph\u1ea3n x\u1ea1 th\u00ec tai c\u00f3 th\u1ec3 nghe \u0111\u01b0\u1ee3c \u00e2m to nh\u1ea5t. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":1}]}],"id_ques":2335},{"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":"Khi ch\u00fa b\u1ea3o v\u1ec7 g\u00f5 tr\u1ed1ng, tai ta nghe th\u1ea5y ti\u1ebfng tr\u1ed1ng, v\u1eadt n\u00e0o ph\u00e1t ra \u00e2m thanh?","select":["A. Tay ch\u00fa b\u1ea3o v\u1ec7 g\u00f5 tr\u1ed1ng","B. D\u00f9i tr\u1ed1ng","C. M\u1eb7t tr\u1ed1ng","D. Kh\u00f4ng gian xung quanh tr\u1ed1ng"],"hint":"","explain":"<span class='basic_left'>Khi ch\u00fa b\u1ea3o v\u1ec7 g\u00f5 tr\u1ed1ng, tai ta nghe th\u1ea5y ti\u1ebfng tr\u1ed1ng, m\u1eb7t tr\u1ed1ng ph\u00e1t ra \u00e2m thanh.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2336},{"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\u1eadt ph\u00e1t ra \u00e2m thanh trong tr\u01b0\u1eddng h\u1ee3p n\u00e0o sau \u0111\u00e2y?","select":["A. K\u00e9o c\u0103ng v\u1eadt","B. U\u1ed1n cong v\u1eadt","C. N\u00e9n v\u1eadt","D. L\u00e0m v\u1eadt dao \u0111\u1ed9ng"],"hint":"","explain":"<span class='basic_left'>V\u1eadt ph\u00e1t ra \u00e2m thanh trong tr\u01b0\u1eddng h\u1ee3p ta l\u00e0m v\u1eadt dao \u0111\u1ed9ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2337},{"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":"Khi n\u00e0o ta n\u00f3i, \u00e2m ph\u00e1t ra tr\u1ea7m?","select":["A. Khi \u00e2m ph\u00e1t ra v\u1edbi t\u1ea7n s\u1ed1 cao","B. Khi \u00e2m ph\u00e1t ra v\u1edbi t\u1ea7n s\u1ed1 th\u1ea5p","C. Khi \u00e2m to","D. Khi \u00e2m nh\u1ecf"],"hint":"","explain":"<span class='basic_left'>Khi \u00e2m ph\u00e1t ra v\u1edbi t\u1ea7n s\u1ed1 th\u1ea5p th\u00ec ta n\u00f3i, \u00e2m ph\u00e1t ra tr\u1ea7m.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2338},{"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":"Ta nghe \u0111\u01b0\u1ee3c ti\u1ebfng h\u00e1t ca s\u0129 ph\u00e1t ra t\u1eeb tivi. V\u1eady \u0111\u00e2u l\u00e0 ngu\u1ed3n \u00e2m ?","select":["A. Ng\u01b0\u1eddi ca s\u0129 ph\u00e1t ra \u00e2m","B. S\u00f3ng v\u00f4 tuy\u1ebfn truy\u1ec1n trong kh\u00f4ng gian dao \u0111\u1ed9ng ph\u00e1t ra \u00e2m","C. M\u00e0ng loa trong tivi dao \u0111\u1ed9ng ph\u00e1t ra \u00e2m","D. M\u00e0n h\u00ecnh tivi dao \u0111\u1ed9ng ph\u00e1t ra \u00e2m"],"hint":"","explain":"<span class='basic_left'>Ta nghe \u0111\u01b0\u1ee3c ti\u1ebfng h\u00e1t ca s\u0129 ph\u00e1t ra t\u1eeb tivi. V\u1eady m\u00e0ng loa trong tivi dao \u0111\u1ed9ng ph\u00e1t ra \u00e2m.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":1}]}],"id_ques":2339},{"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":"Gi\u1ea3 s\u1eed m\u1ed9t b\u1ec7nh vi\u1ec7n n\u1eb1m c\u1ea1nh \u0111\u01b0\u1eddng qu\u1ed1c l\u1ed9 c\u00f3 nhi\u1ec1u xe c\u1ed9 \u0111i l\u1ea1i. H\u00e3y ch\u1ec9 ra bi\u1ec7n ph\u00e1p ch\u1ed1ng \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n cho b\u1ec7nh vi\u1ec7n:","select":["A. X\u00e2y t\u01b0\u1eddng xung quanh b\u1ec7nh vi\u1ec7n","B. Tr\u1ed3ng nhi\u1ec1u c\u00e2y xanh quanh b\u1ec7nh vi\u1ec7n","C. Treo bi\u1ec3n c\u1ea5m b\u00f3p c\u00f2i","D. T\u1ea5t c\u1ea3 \u0111\u00e1p \u00e1n tr\u00ean"],"hint":"","explain":"<span class='basic_left'>T\u1ea5t c\u1ea3 \u0111\u00e1p \u00e1n tr\u00ean \u0111\u1ec1u l\u00e0 bi\u1ec7n ph\u00e1p ch\u1ed1ng \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n cho b\u1ec7nh vi\u1ec7n.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":1}]}],"id_ques":2340},{"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\u1ed9t v\u1eadt th\u1ef1c hi\u1ec7n dao \u0111\u1ed9ng v\u1edbi t\u1ea7n s\u1ed1 20Hz. H\u1ecfi trong 2 ph\u00fat, v\u1eadt th\u1ef1c hi\u1ec7n bao nhi\u00eau dao \u0111\u1ed9ng?","select":["A. 20","B. 40","C. 1200","D. 2400"],"hint":"","explain":"<span class='basic_left'>\u0110\u1ed5i 2 ph\u00fat = 120 gi\u00e2y. V\u1eady s\u1ed1 dao \u0111\u1ed9ng l\u00e0: 2 x 120 = 2400 <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2341},{"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":"\u00c2m ph\u00e1t ra c\u00e0ng th\u1ea5p khi:","select":["A. \u0110\u1ed9 to c\u1ee7a \u00e2m c\u00e0ng l\u1edbn","B. Th\u1eddi gian th\u1ef1c hi\u1ec7n m\u1ed9t dao \u0111\u1ed9ng c\u00e0ng l\u1edbn","C. T\u1ed1c \u0111\u1ed9 dao \u0111\u1ed9ng c\u00e0ng l\u1edbn","D. V\u1eadn t\u1ed1c truy\u1ec1n \u00e2m c\u00e0ng l\u1edbn"],"hint":"","explain":"<span class='basic_left'>\u00c2m ph\u00e1t ra c\u00e0ng th\u1ea5p khi th\u1eddi gian th\u1ef1c hi\u1ec7n m\u1ed9t dao \u0111\u1ed9ng c\u00e0ng l\u1edbn. T l\u1edbn, d\u1eabn \u0111\u1ebfn f nh\u1ecf, f nh\u1ecf th\u00ec \u00e2m c\u00e0ng th\u1ea5p.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":1}]}],"id_ques":2342},{"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":"V\u1eadt ph\u1ea3n x\u1ea1 \u00e2m t\u1ed1t l\u00e0 v\u1eadt c\u00f3 b\u1ec1 m\u1eb7t:","select":["A. Ph\u1eb3ng v\u00e0 s\u00e1ng","B. Nh\u1eb5n v\u00e0 c\u1ee9ng","C. G\u1ed3 gh\u1ec1 v\u00e0 m\u1ec1m","D. M\u1ea5p m\u00f4 v\u00e0 c\u1ee9ng"],"hint":"","explain":"<span class='basic_left'>V\u1eadt ph\u1ea3n x\u1ea1 \u00e2m t\u1ed1t l\u00e0 v\u1eadt c\u00f3 b\u1ec1 m\u1eb7t nh\u1eb5n v\u00e0 c\u1ee9ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2343},{"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":"T\u1ea7n s\u1ed1 dao \u0111\u1ed9ng c\u1ee7a v\u1eadt l\u1edbn th\u00ec:","select":["A. V\u1eadt ph\u00e1t ra \u00e2m cao","B. V\u1eadt ph\u00e1t ra \u00e2m th\u1ea5p","C. V\u1eadt ph\u00e1t ra \u00e2m to","D. V\u1eadt ph\u00e1t ra \u00e2m nh\u1ecf"],"hint":"","explain":"<span class='basic_left'>T\u1ea7n s\u1ed1 dao \u0111\u1ed9ng c\u1ee7a v\u1eadt l\u1edbn th\u00ec v\u1eadt ph\u00e1t ra \u00e2m cao.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 A.<\/span><\/span> ","column":2}]}],"id_ques":2344},{"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":"\u00c2m t\u1ea1o ra nh\u1edd:","select":["A. \u0110i\u1ec7n","B. Nhi\u1ec7t","C. \u00c1nh s\u00e1ng","D. Dao \u0111\u1ed9ng"],"hint":"","explain":"<span class='basic_left'>\u00c2m t\u1ea1o ra nh\u1edd dao \u0111\u1ed9ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 D.<\/span><\/span> ","column":2}]}],"id_ques":2345},{"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":"\u0110\u1eb7c \u0111i\u1ec3m chung nh\u1ea5t c\u1ee7a c\u00e1c ngu\u1ed3n \u00e2m l\u00e0?","select":["A. C\u1ee9ng","B. H\u1ea5p th\u1ee5 \u00e2m t\u1ed1t","C. Dao \u0111\u1ed9ng","D. Ph\u1ea3n x\u1ea1 \u00e2m"],"hint":"","explain":"<span class='basic_left'>\u0110\u1eb7c \u0111i\u1ec3m chung nh\u1ea5t c\u1ee7a c\u00e1c ngu\u1ed3n \u00e2m l\u00e0 dao \u0111\u1ed9ng.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2346},{"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":"V\u1eadt n\u00e0o d\u01b0\u1edbi \u0111\u00e2y h\u1ea5p th\u1ee5 \u00e2m t\u1ed1t:","select":["A. Th\u00e9p, g\u1ed7, v\u1ea3i","B. B\u00ea t\u00f4ng, v\u1ea3i, b\u00f4ng","C. V\u1ea3i, d\u1ea1, nhung","D. \u0110\u00e1, s\u1eaft, th\u00e9p"],"hint":"","explain":"<span class='basic_left'> V\u1ea3i, d\u1ea1, nhung h\u1ea5p th\u1ee5 \u00e2m t\u1ed1t.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2347},{"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\u1ed9t d\u00e2y \u0111\u00e0n dao \u0111\u1ed9ng trong 2 gi\u00e2y th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c 1000 dao \u0111\u1ed9ng th\u00ec t\u1ea7n s\u1ed1 dao \u0111\u1ed9ng c\u1ee7a d\u00e2y \u0111\u00e0n l\u00e0: ","select":["A. 1000 Hz","B. 500 Hz","C. 250 Hz","D. 200 Hz"],"hint":"","explain":"<span class='basic_left'> M\u1ed9t d\u00e2y \u0111\u00e0n dao \u0111\u1ed9ng trong 2 gi\u00e2y th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c 1000 dao \u0111\u1ed9ng n\u00ean trong 1 gi\u00e2y th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c 500 dao \u0111\u1ed9ng, v\u1eady f = 500 Hz.<br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2348},{"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":"S\u1eafp x\u1ebfp kh\u1ea3 n\u0103ng truy\u1ec1n \u00e2m trong c\u00e1c m\u00f4i tr\u01b0\u1eddng theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n: ","select":["A. R\u1eafn, l\u1ecfng, kh\u00ed","B. Kh\u00ed, l\u1ecfng, r\u1eafn","C. R\u1eafn, kh\u00ed, l\u1ecfng","D. L\u1ecfng, kh\u00ed, r\u1eafn"],"hint":"","explain":"<span class='basic_left'>S\u1eafp x\u1ebfp kh\u1ea3 n\u0103ng truy\u1ec1n \u00e2m trong c\u00e1c m\u00f4i tr\u01b0\u1eddng theo th\u1ee9 t\u1ef1 t\u0103ng d\u1ea7n: l\u00e0 kh\u00ed, l\u1ecfng, r\u1eafn. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 B.<\/span><\/span> ","column":2}]}],"id_ques":2349},{"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":"C\u1eeda k\u00ednh c\u00f3 th\u1ec3 gi\u1ea3m \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n v\u00ec c\u00f3 t\u00e1c d\u1ee5ng n\u00e0o?","select":["A. T\u00e1c \u0111\u1ed9ng v\u00e0o ngu\u1ed3n \u00e2m","B. Ph\u00e2n t\u00e1n \u0111\u01b0\u1eddng truy\u1ec1n \u00e2m","C. Ng\u0103n ch\u1eb7n \u0111\u01b0\u1eddng truy\u1ec1n \u00e2m","D. H\u1ea5p th\u1ee5 \u00e2m"],"hint":"","explain":"<span class='basic_left'>C\u1eeda k\u00ednh c\u00f3 th\u1ec3 gi\u1ea3m \u00f4 nhi\u1ec5m ti\u1ebfng \u1ed3n v\u00ec c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n \u0111\u01b0\u1eddng truy\u1ec1n \u00e2m. <br\/> <span class='basic_pink'>V\u1eady \u0111\u00e1p \u00e1n \u0111\u00fang l\u00e0 C.<\/span><\/span> ","column":2}]}],"id_ques":2350}],"lesson":{"save":0,"level":2}}

Điểm của bạn.

Câu hỏi này theo dạng chọn đáp án đúng, sau khi đọc xong câu hỏi, bạn bấm vào một trong số các đáp án mà chương trình đưa ra bên dưới, sau đó bấm vào nút gửi để kiểm tra đáp án và sẵn sàng chuyển sang câu hỏi kế tiếp

Trả lời đúng trong khoảng thời gian quy định bạn sẽ được + số điểm như sau:
Trong khoảng 1 phút đầu tiên + 5 điểm
Trong khoảng 1 phút -> 2 phút + 4 điểm
Trong khoảng 2 phút -> 3 phút + 3 điểm
Trong khoảng 3 phút -> 4 phút + 2 điểm
Trong khoảng 4 phút -> 5 phút + 1 điểm

Quá 5 phút: không được cộng điểm

Tổng thời gian làm mỗi câu (không giới hạn)

Điểm của bạn.

Bấm vào đây nếu phát hiện có lỗi hoặc muốn gửi góp ý