If you are looking for a ______, you can make it when it is on sale.A．priceB．bargainC．costD．bill-高一

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• 下列属于生产者和消费者之间的关系的是[]A．青蛙捕昆虫B．猫头鹰捉田鼠C．蝗虫吃庄稼D．麻雀吃虫子-八年级生物
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• 我国河北省北部地区，在麦收时节，据统计，每公顷麦田约有750~1500只青蛙，一只青蛙一天可食20~200只害虫。因此，依靠这种天然的“除虫剂”，基本上可以控制害虫，保证小麦的收-八年级生物
• The short-answer test is a kind of____between the composition and selection types.A．mixtureB．collect
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• When I was a little boy，I lived in a small fishing village.The visit to the village made me think of
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• 只要是对人类有害的动物，都应消灭。[]-八年级生物
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