下列属于化学研究范畴的是[]A．研究海洋中新发现的生物B．科学家从植物中提取代替汽油的新型环保燃料C．中国科学家已经破译了人类基因密码D．家用电器怎样更省电-九年级化学

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• 阅读理解。 For nine days in October, the New Mexico skies are painted as hundreds of balloons lift off fr
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• 阅读理解。 Since it was published in 1818, Frankenstein, a classic horror story, has been in print in man
• 阅读理解。阅读下面的短文，根据所读内容在文章后的表格中填入恰当的单词。注意：表格中的每个空格只填1个单词。 Different countries and different people have
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• 阅读理解。 Everybody hates it, but everybody does it. A recent report said that 40％of Americans hate tipp
• 下列各项产业群项目中，不属于化学研究范畴的是[]A．化学纤维的合成与加工B．钨的冶炼与加工C．软件的开发与应用D．橡胶的合成与加-九年级化学
• 阅读理解。 One day Walt Disney had a vision. It was a vision of a place where children and parents could
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• 化学是研究物质的、、以及的一门自然科学。-九年级化学
• 阅读理解。 To face the musicLike every language, American English is full of special expressions, phrases
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• 阅读理解。根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 1 This date was the old mid-winter festival in pre-Ch
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• 阅读理解。 Imagine looking for your lost dog. You step into a cave. But instead of the dog, you find beau
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• 下列是我市要打造的百亿产业群项目，其中不属于化学研究范畴的是[]A．化学纤维的合成与加工B．钨的冶炼与加工C．软件的开发与应用D．橡胶的合成与加工-九年级化学
• 下列事实与化学无关的是[]A.开发新能源，解决人类面临的能源短缺问题B.查阅资料，研究一切动植物的生命活动规律C.合成新型高分子化合物，提高人类的生活质量D.研制药物与-九年级化学
• 2008年，我国饱受灾祸，下面哪些事件的发生需要化学检测来确认的是[]A.雪灾B.汶川地震C.金融海啸D.三鹿毒奶粉-九年级化学
• 阅读理解。 In the centre of London there is a tall white building with the name "Bush House". I
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• 根据短文内容, 从短文后的选项中选出能填入空白处的最佳选项。 选项中有两项为多余选项。 1_____ People use money to buy food, furniture, books,
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• 阅读理解。 It is true that the first Olympic Games of the modern times in 1896 were not open to women. Ba
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• 人类与其他生物有共同的祖先，表明各类生物之间存在或远或近的亲缘关系。[]-八年级生物
• 人类起源于：[]A．黑猩猩B．森林古猿C．古人类-七年级生物
• 我们走近了化学世界，了解了一些化学知识，下列问题不需用化学知识回答的是[]A．金刚石的内部结构是怎样的B．炸药爆炸后变成了什么C．如何防止钢铁生锈D．高处的水为什么总是流向-九年级化学
• 阅读理解。 In many cultures white is often associated with something positive. A white-collar job, for in
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• 阅读下面的资料，回答问题：拉玛猿是与类人猿相当接近的进步猿类，生活在1400万年到1000万年，是人类的远祖，我国云南禄丰及开远均发现过拉玛猿化石。巨猿是发现与我国南方的-七年级生物
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• 完形填空。 The Olympic Games began more than 1 in Greece. At that time Greece was divided (分开) into sever
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• 阅读理解。 Announcers on China Central Television (CCTV) will need to do some fast talking to replace the
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