下图是生态系统中碳循环图解，图中的甲、乙、丙各是：[]A．甲是生产者，乙是消费者，丙是分解者B．甲是消费者，乙是生产者，丙是分解者C．甲是生产者，丙是消费者，乙是分解者D．-八年级生物

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• ____ are you cleaning the house?Because I want to sweep away bad luck.A．WhatB．WhenC．WhyD．How-七年级英语
• —What ______ people in Korea supposed to do when they first meet?—They usually bow.[ ]A. are B. do C
• My grandmother _____ young in the red sweater. [ ]A .sounds B. looksC. sees D. listens-七年级英语
• I want to _______ a _______ basketball player, but my mother don't agree with me.[ ]A. be, prof
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• 下列不属于生态系统的是（）A．北海湿地B．养牛场的一群奶牛C．郊外的农田D．宋风山国家森林公园-生物
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• Look! Those boys are ____ a bus.A．waiting forB．waitC．wait forD．waiting-七年级英语
• You'dbetter__________nexttime. [ ]A. careful B. becareful C. arecareofD. carefully -七年级英语
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