fix: 修复页面结构，DOCTYPE 前泄漏的题数据已清理，Playwright 12/12 PASS

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-{"id":"m402","src":"鐪熼","sub":"math","ch":"绗笁璧涙","topic":"鐗涘悆鑽夐棶棰?,"type":"fill","stem":"涓€涓按姹犳湁涓€涓繘姘寸鍜?涓帓姘寸銆傚崟寮€杩涙按绠?0鍒嗛挓娉ㄦ弧锛涘悓鏃跺紑5涓帓姘寸锛?0鍒嗛挓鎺掔┖銆傚厛寮€杩涙按绠?0鍒嗛挓鍚庯紝鍐嶅紑鎵€鏈夋帓姘寸锛屽灏戝垎閽熷悗鎺掔┖锛?,"opts":null,"ans":"15","exp":"璁炬€绘按閲?銆傝繘姘存晥鐜?/60锛屾帓姘存晥鐜?/20銆傝繘姘寸30鍒嗛挓娉ㄥ叆1/2銆傝x鍒嗛挓鍚庢帓绌猴細杩涙按=鎺掓按锛?1/60)*(30+x)=(1/20)*x锛岃В寰梮=15銆傛敞鎰忔帓姘存椂杩涙按绠′粛鍦ㄨ繘姘淬€?},
-{"id":"m403","src":"鐪熼","sub":"math","ch":"绗笁璧涙","topic":"鐩堜簭闂","type":"choice","stem":"骞煎効鍥€佸笀缁欏皬鏈嬪弸鍒嗙硸鏋溿€傛瘡浜哄垎3棰楀8棰楋紱姣忎汉鍒?棰楀皯6棰椼€傛湁鍑犱釜灏忔湅鍙嬶紵鍑犻绯栨灉锛?,"opts":["A. 6涓? 26棰?,"B. 7涓? 29棰?,"C. 8涓? 32棰?,"D. 9涓? 35棰?],"ans":1,"exp":"鐩堜簭鍏紡锛?鐩?浜?/涓ゆ鍒嗛厤宸?浜烘暟銆?8+6)/(5-3)=14/2=7浜恒€傜硸鏋?7*3+8=29棰椼€?},
-{"id":"m404","src":"鐪熼","sub":"math","ch":"绗笁璧涙","topic":"鐩堜簭闂","type":"choice","stem":"鍏ㄧ彮鍚屽鍘诲垝鑸广€傚鏋滃鍔犱竴鏉¤埞锛屾瘡鏉¤埞姝ｅソ鍧?浜猴紱濡傛灉鍑忓皯涓€鏉¤埞锛屾瘡鏉¤埞姝ｅソ鍧?浜恒€傚叏鐝灏戜汉锛?,"opts":["A. 36","B. 32","C. 40","D. 30"],"ans":0,"exp":"璁惧師鏉ユ湁x鏉¤埞銆?(x+1)=9(x-1)銆?x+6=9x-9锛?x=15锛寈=5銆備汉鏁?6*(5+1)=36浜恒€?},
-{"id":"m405","src":"鐪熼","sub":"math","ch":"绗竴璧涙","topic":"妞嶆爲闂","type":"choice","stem":"鍦ㄤ竴鏉￠暱240绫崇殑閬撹矾涓€杈规瘡闅?绫崇涓€妫垫爲锛堜袱绔兘绉嶏級锛岄渶瑕佸灏戞５鏍戯紵","opts":["A. 29","B. 30","C. 31","D. 32"],"ans":2,"exp":"涓ょ閮界锛氭５鏁?娈垫暟+1=240/8+1=30+1=31妫点€?},
-{"id":"m406","src":"鐪熼","sub":"math","ch":"绗竴璧涙","topic":"妞嶆爲闂","type":"fill","stem":"鍦ㄤ竴鏉￠暱200绫崇殑閬撹矾涓ゆ梺姣忛殧5绫崇涓€妫垫爲锛堜袱绔兘绉嶏級锛屼竴鍏遍渶瑕佸灏戞５鏍戯紵","opts":null,"ans":"82","exp":"鍗曚晶锛?00/5+1=41妫点€備袱渚э細41*2=82妫点€傛敞鎰忔槸\"涓ゆ梺\"銆?},
-{"id":"m407","src":"鐪熼","sub":"math","ch":"绗竴璧涙","topic":"鍛ㄦ湡闂","type":"fill","stem":"2026骞?鏈?鏃ユ槸鏄熸湡涓€銆傞偅涔?026骞?鏈?鏃ユ槸鏄熸湡鍑狅紵","opts":null,"ans":"涓?,"exp":"6鏈堟湁30澶┿€?鏈?鏃ュ埌7鏈?鏃ヨ繃浜?0澶┿€?0/7=4鍛ㄤ綑2澶┿€傛槦鏈熶竴+2=鏄熸湡涓夈€?},
-{"id":"m408","src":"鐪熼","sub":"math","ch":"绗竴璧涙","topic":"鍛ㄦ湡闂","type":"choice","stem":"涓€涓插僵鐏寜\"绾€侀粍銆佽摑銆佺豢銆佺传\"鐨勯『搴忛噸澶嶆帓鍒楋紝绗?6鐩忕伅鏄粈涔堥鑹诧紵","opts":["A. 绾㈣壊","B. 榛勮壊","C. 钃濊壊","D. 绱壊"],"ans":1,"exp":"86/5=17锛堢粍锛変綑1锛堢洀锛夈€備綑1瀵瑰簲绗?鐩?绾㈣壊銆?},
-{"id":"m409","src":"鐪熼","sub":"math","ch":"绗笁璧涙","topic":"鏃堕挓闂","type":"choice","stem":"浠?:15鍒?:45锛屽垎閽堣浆鍔ㄤ簡澶氬皯搴︼紵","opts":["A. 90搴?,"B. 120搴?,"C. 150搴?,"D. 180搴?],"ans":3,"exp":"30鍒嗛挓銆傚垎閽堟瘡鍒嗛挓杞?搴︼紝30*6=180搴︺€?},
-{"id":"m410","src":"鐪熼","sub":"math","ch":"绗笁璧涙","topic":"鏃堕挓闂","type":"fill","stem":"6鐐规暣鏃讹紝鏃堕拡鍜屽垎閽堢殑澶硅鏄灏戝害锛?灏忔椂鍚庡す瑙掓槸澶氬皯搴︼紵","opts":null,"ans":"180,90","exp":"6鐐规暣锛氬垎閽堟寚12锛屾椂閽堟寚6锛屽す瑙?80搴︺€?灏忔椂鍚庢槸9鐐规暣锛屽垎閽堟寚12锛屾椂閽堟寚9锛屽す瑙?0搴︺€?},
-{"id":"m411","src":"鐪熼","sub":"math","ch":"鐑韩鍦?,"topic":"鍒嗘暟璁＄畻","type":"fill","stem":"璁＄畻锛?/3 + 1/6 + 1/12 + 1/24 = 锛?锛?,"opts":null,"ans":"5/8","exp":"閫氬垎鍒嗘瘝24锛?/24+4/24+2/24+1/24=15/24=5/8銆?},
-{"id":"m412","src":"鐪熼","sub":"math","ch":"鐑韩鍦?,"topic":"鍒嗘暟璁＄畻","type":"choice","stem":"璁＄畻锛?/5 * 3/4 / 3/5 = 锛?锛?,"opts":["A. 1/2","B. 3/5","C. 2/3","D. 1"],"ans":0,"exp":"2/5*3/4/3/5=2/5*3/4*5/3=2/5*5/4=2/4=1/2銆傞櫎浠ュ垎鏁扮瓑浜庝箻浠ュ€掓暟銆?},
-{"id":"m413","src":"鐪熼","sub":"math","ch":"鐑韩鍦?,"topic":"绠€绠楀阀绠?,"type":"fill","stem":"绠€渚胯绠楋細25 * 32 * 125 = 锛?锛?,"opts":null,"ans":"100000","exp":"25*32*125=25*4*8*125=100*1000=100000銆傛媶鍒?2=4*8銆?},
-{"id":"m414","src":"鐪熼","sub":"math","ch":"鐑韩鍦?,"topic":"绠€绠楀阀绠?,"type":"fill","stem":"绠€渚胯绠楋細99 * 99 + 99 = 锛?锛?,"opts":null,"ans":"9900","exp":"99*99+99=99*(99+1)=99*100=9900銆傛彁鍙栧叕鍥犳暟99銆?},
-{"id":"m415","src":"鐪熼","sub":"math","ch":"鐑韩鍦?,"topic":"瑙ｆ柟绋?,"type":"fill","stem":"瑙ｆ柟绋嬶細3x + 5 = 20锛寈 = 锛?锛?,"opts":null,"ans":"5","exp":"3x+5=20锛?x=20-5=15锛寈=15/3=5銆?},
-{"id":"m416","src":"鐪熼","sub":"math","ch":"鐑韩鍦?,"topic":"瑙ｆ柟绋?,"type":"fill","stem":"瑙ｆ柟绋嬶細2(x - 3) = 14锛寈 = 锛?锛?,"opts":null,"ans":"10","exp":"2(x-3)=14锛寈-3=7锛寈=10銆傛敞鎰忓厛鍘绘嫭鍙枫€?},
-{"id":"m417","src":"鐪熼","sub":"math","ch":"鏈€缁堝湀","topic":"鏈€鍊奸棶棰?,"type":"choice","stem":"鐢?,2,3,4鍥涗釜鏁板瓧缁勬垚涓や釜涓や綅鏁帮紝浣垮畠浠殑涔樼Н鏈€澶с€傝繖涓や釜涓や綅鏁板垎鍒槸澶氬皯锛?,"opts":["A. 41鍜?2","B. 42鍜?1","C. 43鍜?1","D. 43鍜?2"],"ans":0,"exp":"瑕佷娇涔樼Н鏈€澶э紝涓ゆ暟搴斿敖鍙兘鎺ヨ繎銆?1*32=1312锛?2*31=1302锛?3*21=903锛?3*12=516銆傛渶澶т负1312銆?},
-{"id":"m418","src":"鐪熼","sub":"math","ch":"鏈€缁堝湀","topic":"鏈€鍊奸棶棰?,"type":"choice","stem":"灏?鍒嗘垚鍑犱釜鑷劧鏁扮殑鍜岋紝浣垮畠浠殑涔樼Н鏈€澶э紝鏈€澶х殑涔樼Н鏄灏戯紵","opts":["A. 24","B. 27","C. 30","D. 36"],"ans":1,"exp":"灏介噺鎷嗘垚3銆?=3+3+3锛屼箻绉?3*3*3=27銆傝寰嬶細鎷嗘垚灏介噺澶氱殑3锛屼綑2鍒欏姞涓€涓?锛屼綑1鍒欐妸涓€涓?+1鍙樻垚2+2銆?},
-{"id":"m419","src":"鐪熼","sub":"math","ch":"绗簩璧涙","topic":"瀹规枼鍘熺悊","type":"choice","stem":"鏌愮彮鏈?0浜猴紝鍠滄璇枃鐨勬湁28浜猴紝鍠滄鏁板鐨勬湁25浜猴紝涓ょ閮藉枩娆㈢殑鏈?8浜恒€備袱绉戦兘涓嶅枩娆㈢殑鏈夊灏戜汉锛?,"opts":["A. 3","B. 4","C. 5","D. 6"],"ans":2,"exp":"鑷冲皯鍠滄涓€绉戯細28+25-18=35浜恒€傞兘涓嶅枩娆細40-35=5浜恒€傚鏂ュ叕寮忥細A骞禕=A+B-A浜銆?},
-{"id":"m420","src":"鐪熼","sub":"math","ch":"绗簩璧涙","topic":"瀹规枼鍘熺悊","type":"fill","stem":"鏌愮彮50浜猴紝璁㈤槄A鏉傚織鐨勬湁30浜猴紝璁㈤槄B鏉傚織鐨勬湁25浜猴紝涓ょ閮借闃呯殑鏈?0浜恒€傚彧璁㈤槄涓€绉嶆潅蹇楃殑鏈夊灏戜汉锛?,"opts":null,"ans":"35","exp":"鍙A锛?0-10=20浜恒€傚彧璁锛?5-10=15浜恒€傚彧璁竴绉嶏細20+15=35浜恒€?},
-{"id":"m421","src":"鐪熼","sub":"math","ch":"绗簩璧涙","topic":"鏂归樀闂","type":"fill","stem":"鏌愭牎杩涜闃熷垪琛ㄦ紨锛屾帓鎴愪竴涓鏂瑰舰鏂归樀銆傛渶澶栧眰姣忚竟鏈?2浜猴紝鏈€澶栧眰涓€鍏辨湁澶氬皯浜猴紵","opts":null,"ans":"44","exp":"鏈€澶栧眰浜烘暟=(12-1)*4=44浜恒€傛敞鎰忓洓涓鐨勪汉涓嶉噸澶嶈鏁般€?},
-{"id":"m422","src":"鐪熼","sub":"math","ch":"绗簩璧涙","topic":"鏂归樀闂","type":"fill","stem":"涓€涓疄蹇冩柟闃碉紝鏈€澶栧眰姣忚竟15浜猴紝杩欎釜鏂归樀涓€鍏辨湁澶氬皯浜猴紵","opts":null,"ans":"225","exp":"瀹炲績鏂归樀鎬讳汉鏁?杈归暱*杈归暱=15*15=225浜恒€?},
-{"id":"e401","src":"真题","sub":"english","ch":"第二赛段","topic":"现在完成时","type":"choice","stem":"I ___ already ___ my homework.","opts":["A. have, finish","B. has, finished","C. have, finished","D. have, finishing"],"ans":2,"exp":"现在完成时结构：have/has + 过去分词。主语I用have，finish的过去分词为finished。"},
-{"id":"e402","src":"真题","sub":"english","ch":"第二赛段","topic":"现在完成时","type":"choice","stem":"She ___ to Beijing twice.","opts":["A. have been","B. has been","C. has gone","D. have gone"],"ans":1,"exp":"have/has been to表示\"去过某地（已回来）\"。主语She用has。"},
-{"id":"e403","src":"真题","sub":"english","ch":"第二赛段","topic":"现在完成时","type":"fill","stem":"用所给词的正确形式填空：\nHe never ___ (eat) such delicious food before.","opts":null,"ans":"has eaten","exp":"never...before提示现在完成时。主语He用has，eat过去分词eaten。"},
-{"id":"e404","src":"真题","sub":"english","ch":"第二赛段","topic":"现在完成时","type":"choice","stem":"___ you ever ___ to the Great Wall?","opts":["A. Have, gone","B. Has, been","C. Have, been","D. Did, go"],"ans":2,"exp":"\"你曾经去过长城吗？\"。ever用于现在完成时疑问句。Have you ever been to...? 固定句型。"},
-{"id":"e405","src":"真题","sub":"english","ch":"第二赛段","topic":"过去进行时","type":"choice","stem":"I ___ TV when my mother came back.","opts":["A. watch","B. was watching","C. watched","D. am watching"],"ans":1,"exp":"\"当妈妈回来时我正在看电视\"。过去某一时刻正在发生的动作，用过去进行时was/were doing。"},
-{"id":"e406","src":"真题","sub":"english","ch":"第二赛段","topic":"过去进行时","type":"choice","stem":"They ___ football at 4 o'clock yesterday afternoon.","opts":["A. played","B. were playing","C. are playing","D. play"],"ans":1,"exp":"过去具体时间点正在进行的动作，用过去进行时。They用were playing。"},
-{"id":"e407","src":"真题","sub":"english","ch":"第二赛段","topic":"过去进行时","type":"fill","stem":"用所给词填空：\nWhile I ___ (walk) home, I met an old friend.","opts":null,"ans":"was walking","exp":"while引导的时间状语从句，表示\"在……过程中\"，用过去进行时。"},
-{"id":"e408","src":"真题","sub":"english","ch":"第三赛段","topic":"被动语态","type":"choice","stem":"English ___ in many countries.","opts":["A. speak","B. is spoken","C. speaks","D. was spoken"],"ans":1,"exp":"英语被说（被动语态）。一般现在时的被动：am/is/are+过去分词。English是单数，用is spoken。"},
-{"id":"e409","src":"真题","sub":"english","ch":"第三赛段","topic":"被动语态","type":"choice","stem":"The bridge ___ last year.","opts":["A. built","B. was built","C. is built","D. builds"],"ans":1,"exp":"last year过去时间，桥被建造（被动语态）。过去时被动：was/were+过去分词。bridge单数用was built。注意不规则动词build→built。"},
-{"id":"e410","src":"真题","sub":"english","ch":"第三赛段","topic":"被动语态","type":"choice","stem":"This kind of machine ___ in China.","opts":["A. is made","B. was made","C. are made","D. made"],"ans":0,"exp":"\"这种机器是中国制造的\"。一般现在时被动is made。machine不可数或作单数看，用is。"},
-{"id":"e411","src":"真题","sub":"english","ch":"第三赛段","topic":"宾语从句","type":"choice","stem":"I don't know ___ she will come tomorrow.","opts":["A. that","B. if","C. what","D. which"],"ans":1,"exp":"宾语从句用if/whether表示\"是否\"。句意为\"我不知道她明天是否会来\"。"},
-{"id":"e412","src":"真题","sub":"english","ch":"第三赛段","topic":"宾语从句","type":"choice","stem":"Can you tell me ___ the hospital is?","opts":["A. what","B. where","C. who","D. whose"],"ans":1,"exp":"宾语从句疑问词的选择。句意为\"你能告诉我医院在哪里吗？\"，问地点用where。"},
-{"id":"e413","src":"真题","sub":"english","ch":"热身圈","topic":"there be","type":"choice","stem":"There ___ a book and two pens on the desk.","opts":["A. is","B. are","C. have","D. has"],"ans":0,"exp":"there be就近原则：靠近be动词的主语a book是单数，用is。"},
-{"id":"e414","src":"真题","sub":"english","ch":"热身圈","topic":"there be","type":"choice","stem":"___ any milk in the fridge?","opts":["A. Is there","B. Are there","C. There is","D. There are"],"ans":0,"exp":"milk不可数，用there be单数疑问句：Is there any...?"},
-{"id":"e415","src":"真题","sub":"english","ch":"热身圈","topic":"there be","type":"fill","stem":"用所给词填空：\nThere ___ (be) some apples on the table.","opts":null,"ans":"are","exp":"some apples是复数，be用are。there be中be与后面的主语保持数的一致。"},
-{"id":"e416","src":"真题","sub":"english","ch":"热身圈","topic":"不定代词","type":"choice","stem":"I'm hungry. I want ___ to eat.","opts":["A. something","B. anything","C. nothing","D. everything"],"ans":0,"exp":"肯定句中用something。\"我饿了，想吃点东西\"。"},
-{"id":"e417","src":"真题","sub":"english","ch":"热身圈","topic":"不定代词","type":"choice","stem":"There isn't ___ wrong with my bike.","opts":["A. something","B. anything","C. nothing","D. everything"],"ans":1,"exp":"否定句用anything。there isn't anything wrong = there is nothing wrong。"},
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