大白菜生长过程中，需要量最多的无机盐是[]A．含铁的无机盐B．含钾的无机盐C．含磷的无机盐D．含氮的无机盐-七年级生物

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• At the foot of the mountain _____. [ ]A. a village lie B. lies a village C. does a village lie D. ly
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• 糖拌番茄会出现许多水，这是因为[]A．番茄细胞液的浓度大于周围溶液的浓度，细胞吸水B．番茄细胞液的浓度小于周围溶液的浓度，细胞吸水C．番茄细胞液的浓度大于周围溶液的浓度，-七年级生物
• Some of you may have finished Unit One.________，you can go on to Unit Two.A．If you mayB．If you doC．I
• ---What do you think of the film? ---Cool! Never before _____ a better one.A．had I seenB．I have seen
• (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
• These problems, ________, will seriously affect the growth of teenagers and even the nation’s future
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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
• Little ________ that we were watching his every move，so he seemed to be going his own way in this bu
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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
• 植物生长过程中，需要量最大的无机盐是含[]A．硼、铜、氮B．钾、硼、铁C．铁、磷、锌D．氮、磷、钾-七年级生物
• Generally speaking, if ______ strictly following the instructions, the electric bike is not as dange
• 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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• 给庄稼施肥主要是给植物的生长提供无机盐。[]-七年级生物
• (2013·高考江西卷)Only when he apologizes for his rudeness________to him again.A．I will speakB．will I spea
• 农田一次施肥过多，会引起“烧苗”的原因是[]A．化肥过多，土壤温度升高B．土壤溶液浓度大于植物细胞液浓度C．土壤溶液浓度小于植物细胞液浓度D．土壤溶液浓度等于植物细胞液浓度-八年级生物
• Next door to ours ______, who has achieved much in physics.A．where lives an old scientistB．where do
• On the National Day, up _____ into the air. Then the crowed cheered.A．the balloons wentB．went the ba
• 用以下三种水（①蒸馏水②河水③稻田中的浑水）分别培养同样大小的番茄苗，一个月之后，幼苗的高度可能是[]A．①②③同样高B．①最高，②次之，③最矮C．①②一样，③最矮D．③最高，②次之，①最-七年级生物
• 某同学在三个地点考察同一种植物的根系分布情况，绘制根系分布图如下。(1)该植物的根系属于那种类型？(2)这三种分布情况可能受哪种因素的影响？(3)试推测三个地方该植物根系不-七年级生物
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• 植物生长需要无机盐，因此植物生长离不开土壤。[]-七年级生物
• 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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