While I was looking through the news online，＿．A．did a video of a lovely bear come up B．did come up a

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• Some of you may have finished Unit One.________，you can go on to Unit Two.A．If you mayB．If you doC．I
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• (2013·高考新课标全国卷Ⅰ)The driver wanted to park his car near the roadside but was asked by the police_____
• 植物体正常生活需要量最大的无机盐是[]A．氮、磷、钾B．镁、钙、铁C．氮、磷、铁D．硼、磷、锌-七年级生物
• 肥料的作用主要是给植物的生长提供无机盐。[]-七年级生物
• 有位菜农收获了一个重5公斤的大萝卜，促进这个萝卜生长迅速的物质主要来自土壤中的[]A．氮肥B．磷肥C．钾肥D．硼肥-八年级生物
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• 植物可以进行无土栽培的原因是[]A．植物的根吸收的只是水和无机盐B．土壤对植物生长没有作用C．植物的根吸收的不是土壤中的无机盐D．根只吸收水-七年级生物
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• 农谚说：“有收无收在于水，收多收少在于肥”。这说明植物生长需要[]A．水和无机盐B．有机物C．维生素D．适宜的温度-七年级生物
• 根吸收的无机盐主要来自于[]A．雨水中B．灌溉的水中C．土壤溶液中D．土壤颗粒中-七年级生物
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• 参观沈阳世博园的同学对几株上面结满了巨大番茄的“番茄树”啧啧称奇，这些“番茄树”不是种植在土壤里，而是种植在富含营养液的水箱里。采用的这项生物技术是[]A．组织培养B．无土-七年级生物
• 无土栽培就是用人工配制的营养液培育植物的方法。配制植物营养液是根据[]A．光合作用需要水的道理B．植物生长发育过程需要无机盐的道理C．植物根系呼吸需要水中溶解氧的道理D．植-八年级生物
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• 一次施肥过多，会导致植物出现“烧苗”现象，原因是[]A．根细胞吸水过多B．根细胞失水过多C．根细胞吸收无机盐过多D．根细胞吸收无机盐过少-七年级生物
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• 将有些萎蔫的青菜用清水浸泡一段时间后，会发现它硬挺了些，这是因为[]A．细胞吸水胀大B．细胞失水，细胞之间变紧密C．细胞壁加厚D．细胞活动旺盛-八年级生物
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• 下图是某同学设计的一组实验：在两个大小相似的萝卜中各挖一个大小相等的洞，向甲、乙萝卜的洞中分别注入等量的清水和浓盐水，各用一个装有玻璃管的橡皮塞塞住洞口，记下玻璃-七年级生物
• 将四株大小差不多的同一种植物的幼苗，分别培养在下列液体中，能正常生长的是[]A．糖水B．盐水C．土壤浸出液D．自来水-七年级生物
• 植物生活需要最多的无机盐是含有哪些成分的无机盐？[]A．氮、磷、钾B．氮、磷、铁C．磷、钾、硼D．氮、硼、锌-七年级生物
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• 植物生活需要多种无机盐，其中需要量最多的是含[]A．碳、氢、氧的无机盐B．氮、磷、钾的无机盐C．钙、铁、锌的无机盐D．磷、硫、镁的无机盐-七年级生物
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