二战后155毫米火炮发展

控制植物果实重量的三对等位基因A/a、B/b、和C/c,对果实重量的作用相等,分别位于三对同源染色体上.已现有果树甲和乙杂交,甲的基因型为AAb-bcc,F1的果实重135~165克.则乙的基因是 A.aaBBcc B.AaBBcc 问：作者写这篇文章是为了赞颂牵牛花（ ）的精神,所以作者把（问：作者写这篇文章是为了赞颂牵牛花（ ）的精神,所以作者把（ ）作为主要内容来写,急 作者为什么写牵牛花 雾都孤儿的好词好句要中文的好词十个,好句四句 中间高潮部分里面有you can see my heart You can't see through my Can't you see my broken heart? （做梦都在回家的路上）用英语该怎么翻译过来? 雾都孤儿 读后感 400字 雾都孤儿的读后感,1000-1200字 she is going swimming这句话有问题吗?和she is going to swimming意思一样吗? 3 She prefers going swimming to going skating.(同义句)She ______ _______ go swimming ______ go skating. 求七年级人教英语上册MP3请上传 求《雾都孤儿》中好句好段的摘抄 《雾都孤儿》中的好句(如名言)急!《雾都孤儿》中的好句,最好是名言!（再加上感悟）! 雾都孤儿这本书的好词好句 形容中各个人物的词语 Children should watch()TV.A:much too.b:too many.c:too much.d:much too Nowadays many children go ____ bikesa.to the school on b.to the school byc.to school on d.to school by 请问I'm so 有一首女生唱的歌歌词中有一句baby don't say sorry i'm so sorry的英文玩LOL是一玩家开语音放了首歌其中就有一句反复重复的英文baby don't say sorry i'm so sorry 这首歌是个女生唱的 是R&B风格的我感觉 I\'m so sometimes they_(not have )lunch at home. Sometimes David____(not have)lunch at home Sometimes Su Yang ____(have) lunch at home 用24朵黄色康乃馨,36朵红色康乃馨做成花束,要使每束花束里有同样多的黄色康乃馨和红色康乃馨,这些花最多能做多少花束?要列算式 找一首歌,前面是说唱的,中间一段i am sorry i am sorry so sorry,结尾也是这句不断重复的 初二英语划线提问He met his teacher in the street yesterday.对in the street yesterday 划线提问--------- --------- ---------- ---------- he --------- his teacher? 初二英语 划线提问They sent an e—mail to their teacher 划线部分为their teachere—mail 前面加an吗 大家的答案好像不太一样~~ 初二英语划线提问急 就划线提问Helen spent (RMB 200) on a red handbag for her mother's birthday 初二英语划线部分提问I'm going to shenzheng with my cousin.my cousin 划线部分提问—— —— —— going to shenzhen——?每空一词（含缩写）