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python 统计list中所有str 中的单词长度 计算平均值def avg_word_length(text): """ (list of str) -> float Precondition: text is non-empty. Each str in text ends with \n and text contains at least one word. Return the average l i have seen it twice that often and my brother has seen it ten times“that 为什么是我看过八遍? 想提高写作能力,不知道怎么提高,请问方法? 有什么方法可以快速提高自己的写作能力? 我真的搞不懂男人是怎么想的了,我今年26岁他40岁,离婚的男人,我们相处了三个半月,刚开始的时候,他一直追我,我没有答应,总给我发信息打电话,而且对我很好,慢慢的让我产生了好感,我们就 初二英语首字母填空(仅一词)A letter to MayorDear Mayor:I am sick and tired of the traffic in this city!It is so bad that I can never get a______ in time . do u think that english is hard?if so,what so hard about it?if is that hard,do u still want to learn english? 初二英语首字母填空（一句）The price of the meat and eggs reached an a_____ point~就这一句 以americans think that tavel is good for you为开头的英语阅读 My father bohght me a ______shoes for my birthday.A SPORTS B sport C sportin who do you think the headmaster would have ____a speech at the graduation ceremony?A made B to make C making D make选哪个 .求详解 bring的用法I can't bring myself to regret the decision to leave home.这句话里bring是什么用法,小弟在此求详细解释. 有it's not about you going ,no matter with you me这句歌词的英文歌应该是,我也是从视频上听来的,英语不太好,不过no matter这一句应该是对的 It is not about you remain+n remain+adj造句 there are a lot of salt wells in sichuan 是什么意思 1、There are some children helping the old.（改为单数句）2、There is much food in the kitchen.（改为否定句）3、There is a glass of milk in my hand.（对划线部分提问）3、There is a glass of milk in my hand。（对a glass of There are some children helping the old 改为单数句 There are some boxes of bananas 改为单数句 ____join us?Let's go to the movies together.A.what if B.what about C.why not____join us?Let's go to the movies together.A.what if B.what about C.why not 可是what if也有表示建议的意思啊？表示如果……怎么样？ The cars ______ yesterday sell very well.A.what I saw B.that I see C.what I see D.that I saw 【英语选择题】The cars ______ yesterday sell very well.A.what I saw B.that I see C.what I see D.that I saw They have a great collection. 开头拼音是j的姓有哪些? 春天来了,她在草地上,补句子 形容水很冰的词语要写一篇作文,关于跳入水中时,水很冰,很冷的词语 跪求2010年10月9日 10日雅思口语考场306考官如何? do you have a sport collection请问collection是什么意思、这里的sport要不要加s 形容冷静的两个字的词语 You are the apple of my life? 根据句意及首字母补全单词.1 My parents are too b( ) to stay with my sister and me.2 The teacher gives the class slowly and clearly .So we all can u( )him.3 His father doesn't a( )him to play in the street. 乙类传染病中按甲类传染病传染源管理的病种包括哪几种? 神马名字,神马属性