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|题目|Rchen|rising0312|selia|sum|
|A|$\surd$ | | |$\surd$ |
|B| | | | |
|C| | | | |
|D|$\surd$ | | |$\surd$ |
|E|$\surd$ | | |$\surd$ |
|F|$\surd$ | | |$\surd$ |
|G|$\surd$ | | |$\surd$ |
|H| | | | |
|I|$\surd$ | | |$\surd$ |
|J|$\surd$ | | |$\surd$ |
|K| | | | |
|L| | | | |
|M| | | | |
|N| | | | |
|O| | | | |
|P| | | | |
|Q| | | | |
|R| | | | |
|S| | | | |
|T| | | | |
|U| | | | |
|V| | | | |
|W| | | | |
|X| | | | |
|Y| | | | |
|A| | | | |
|B| | | | |
|C| | | | |
|D| | | | |