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Unit 1 Study SkillsUnit 1 Study SkillsSkimming Skimming &scanningscanning atmosphere 大气大气Carbon dioxide 二氧化碳二氧化碳95 per centWhats the text mainly about?READ THE TEXT ON P18 BY YOURSELVES.Do we need to read every word to get the answer?We just need to run over the text quickly-read the first and the last paragraphs, the title and the headings.We call this kind of reading skill skimming.IS THERE ANY LIFE ON IS THERE ANY LIFE ON MARS?MARS?WHY ?WHY ?Read the text on p18 by yourselves. Also, we dont need to read every word. Instead, just look for the key information that will answer your questions.So we call this kind of reading skill scanning.PRACTICEPRACTICEHelp Denial find theanswers by skimmingand scanning the text.
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