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能说出其中原理或附图解更佳,一个LED灯,一节电池,请问有什么办法能只接电池的一极,或只接灯的一极把灯点亮,可以添加任何电子元件.不好意思,想给更多分的,但我的财富仅有这么多了,还请 —I bet someone stole my backpack.—Well,you________ have kept an eye on it A.may B.can C.would D.should PRODUCED BY GEORGE MARTIN怎么样 RESTAURANT MARTIN BY MARTIN BERASATEGUI怎么样 我有一节3.7V电池和4个草帽LED灯珠怎么让4个LED正常亮起来?需要什么元件? martin garrix是谁 But in English ,there is one word “head” corresponding.请问这句话正确么? When I passed by the station,I saw the accident _____.A.happening B.happens C.happened S.happen 怎么选 Last May Day Lisa and her parents___to the beach and enjoyed ___ A.go,theirselves B.went,themself C.go,themselves D.went, themselves 英语翻译This pair of trousersis too small and Lily wants to ____ ____ _____ ______. my family often go to the beach (d )the holidays. 什么是外来词 外来词有哪些?（全部） GROUP BY ROLLUP (A,B,C) HAVING A IS NOT NULL AND D NOT 16题 shall 和may 怎么区分用法啊 GROUP BY ROLLUP (A,B,C) HAVING A IS NOT NULL AND D NOT NULL是什么意思啊 哪位高手知道? she could hardly go to sleep,____? divisible到底是能被除尽还是整除的意思题目是这样的说n is divisible by both 5and 7 then n must also be divisible by 但是我觉得要是说是像字典里一样解释为除尽的话 那不是应该也能被70除尽么? 求证明 (5n+24)6^n +1 is divisible by 25 要用数学归纳法 walk home的同义短语是什么? 1.My family go to the beach?哪个单词错误 _____ ___ ______ A B C你能找出错误的选择,1.My family go to the beach?哪个单词错误 （ ）__________________ ___ ______A B C2.What do you play football?( )__________________ ___ ___________ My family go to the beach.(这道句子错在哪里?) What do youMy family go to the beach.(这道句子错在哪里?)What do you play football?(这道句子错在哪里?)I also love in watch the leaves fall.(这道句子错在哪里?) My family go to the beacn.这句话哪个单词错了 them（主格） do you know who's [ ]of the twin sisters?A;quickerB;more quickC;the quickestD;the quicker 冷漠的人,谢谢你们曾经看轻我英语这句话怎么翻译? 为什么Can you find the difference between two question 中的between 是an apples tree 还是an apple tree 是a sport meeting还是a sports meeting 为什么 英语单词中,seven 中的第一个e是开音节 为什么不读原因 i 而读闭音e 如何读英语单词的音节 求翻译,our lives are continually characterized by the technological elements associated with them 未看清,怎看轻,若看轻,