The yellow coat ________belong to Linda because nobody likes yellow except her. A．can’tB．mayC．mustD．

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• ____________和____________是生态系统的重要功能。生态系统要完成这些功能是沿着________和________进行的。-八年级生物
• 下列是草原生态系统的食物网示意图，请据图回答：（1）该生态系统的生产者是______，直接以植物为食的消费者是______，没有表示出来的成分是______．（2）该食物网有______条食物链-生物
• You didn’t have breakfast. You ________ be hungry now.A．mustB．can’tC．couldD．might-九年级英语
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• Tigers like to eat _____________, but koalas like to eat____________.A．meat , leaf B．meats , leafC．m
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• 用be的适当形式填空。①I____ astudent.②What____thatinEnglish?③Thekey____white.④How____you?-七年级英语
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• 组成生态系统的成分是（）A．全部的植物、动物和微生物B．全部的生产者、消费者和分解者C．生产者、消费者、分解者以及非生物的物质和能量D．全部的生产者、消费者、分解者和环境中-生物