He found _______ wrong _______ him to drop litter carelessly in the park.   

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   Tom is thirteen years old．He is in Grade Seven this year．He likes playing football and watching football matches．And he often reads newspapers．He does his best to know when and where there is going to be a football match．Now Tom is having

lunch and he is also reading newspapers．He is very happy because there is going to be a nice football match on TV at four this afternoon．He wants to watch it very much，but he is going to have English and maths lessons h the afternoon．He thinks hard and finds a way．

    “Hello，Mrs. Black，”Tom says to his teacher on the telephone．“Tom is ill in bed．H e wants to ask for half a day's leave(请半天假)．”

    “Oh，I'm sorry to hear that，”says Mrs. Black．“But who is that?”

    “It's my father，Mrs. Black，”Tom answers．

掷一个骰子，观察向上的面的点数，则点数为奇数的概率为____ 

我国著名的科学家钱学森，可以说是一个“万能科学家”。钱学森的专业是航空工程、飞机设计，他不仅对空气动力学有着浓厚的兴趣，孜孜不倦地研究，而且他和铁道机械工程、薄壳结构理论、工程控制论、物理力学和系统工程等专业，也结下了不解之缘。同时他还爱好文学，学过绘画和小提琴。 

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澳大利亚最主要的石油生产基地是西北部的北卡那封盆地（占全球总产量的73%），其生产的大多数原油出口到新加坡等国。从原油供求情况看，澳大利亚的原油产量仅为其消费量的一半左右，而国内的原油消费少部分来自该国东南原油产区（占全澳总产量17%），大部分来自新西兰、中东等国家和地区。澳大利亚西北部和东南沿海所产原油成分差异大，其炼制工艺和产品品种也有差异。该国炼油厂主要分布在东部沿海。下图示意澳大利亚主要产油区分布。