下列哪项不是含磷的无机盐在植物生活中的作用[]A．促进幼苗的发育和开花B．促进淀粉的形成和运输C．促进果实的提早成熟D．促进种子的提早成熟-七年级生物

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• 种植白菜、青菜等叶类蔬菜，应适时适当多施[]A．含氮的无机盐B．含磷的无机盐C．含钾的无机盐D．含钙的无机盐-八年级生物
• 李倩给萝卜施肥时，施进了大量尿素，萝卜不容易成活的原因是[]A．土壤水分太多B．土壤温度太高C．土壤溶液浓度太高D．土壤空气太少-七年级生物
• 明明家种了很多蔬菜，比如白菜、西红柿等。请你根据所学的知识，帮助明明给家里的蔬菜施肥，分别多施的肥是[]A．氮肥、钾肥B．磷肥、钾肥C．氮肥、磷肥D．钾肥、氮肥-七年级生物
• at the news that his eyes rained tears.A．So was Tom sadB．So sad was TomC．So sad Tom wasD．So Tom was
• We got in my father's car and headed straight home and__________,I surely would have been stuck
• 下列哪种植物需要较多含氮的无机盐[]A．马钤薯B．花生C．青菜D．小麦-七年级生物
• 要使马钤薯和甘薯高产应当注意使用哪种无机盐[]A．含氮无机盐B．含磷无机盐C．含钾无机盐D．含硼无机盐-七年级生物
• (2013·西工大附中模拟), I believe, and you will find Tom is very outgoing.A．Having a talk with the studentB
• Not until yesterdaythat I had made a serious mistake.A．didn’t I realizeB．did I realizeC．I didn’t re
• 下列哪项不是植物生长需要的最多的三种无机盐[]A．铁B．磷C．钾D．氮-八年级生物
• 植物的生长发育离不开、和。-七年级生物
• 棉农在棉花的培育管理过程中，有如下几项措施：Ⅰ花幼苗时，在根部带一个土坨。Ⅱ开花结果时，追施磷肥（过磷酸钙）。Ⅲ长到一定高度时，常常摘除顶芽（俗称“打顶”）。Ⅳ茂时整枝，剪-八年级生物
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• 当根毛细胞从土壤中吸收水分时，说明根毛细胞液浓度比土壤溶液浓度[]A．大B．小C．相等D．不能确定-七年级生物
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• —Mike likes watching TV but he doesn’t like playing football.—.A．So does TomB．Neither is TomC．It’s
• We have been told that under no circumstancesthe computer in the office for personal affairs.A．may w
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• After that we never saw her again, nor_________ from her.A．had we heardB．we heardC．did we hearD．we h
• 种植在富含营养液的水箱里的“番茄树”所采用的生物技术是[]A．组织培养B．无土栽培C．基因工程D．嫁接-七年级生物
• 小红为了探究细胞如何失水进行如下实验：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浓盐水和清水，各用一个装有玻璃管的橡皮塞塞住洞口-七年级生物
• —It’s nice.Never before____ such a special drink!—I’m glad you like it.A．I have hadB．I hadC．have I h
• (2013·郑州高中毕业班第一次质量预测)I don't like feeding the animals, but I need money, so ________.A．it is th
• _______ snacks and drinks，but they also brought cards for entertainment when they had a picnic in t
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• 植物体都能有小长大，是由于植物体内细胞数量的增多和细胞体积的增大，这都需要不断补充营养物质如________________。茎向上生长，并长出_____，通过光合作用制造__________-七年级
• 光照和温度等条件均适宜的情况下，将绿色植物放在不同体积分数的CO2中培养，生长最好的是[]A．0.003％B．0.03％C．0.1％D．0.5％-八年级生物
• 农业生产中施肥时，应该[]A．以化肥为主，配合施用农家肥B．以农家肥为主，配合施用化肥C．完全施用化肥D．完全施用农家肥，不使用化肥-七年级生物
• 肥沃土壤浸出液培养的幼苗，生长健壮，颜色鲜绿最主要的原因是[]A．土壤浸出液中水分充足B．土壤浸出液中溶于少数种类的有机物C．土壤浸出液中有蛋白质等营养物质D．土壤浸出液有-七年级生物
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• 当植物细胞处于周围溶液浓度大的环境中时，液泡将会出现的变化是[]A．缩小B．胀大C．消失D．正常-七年级生物
• Never in my wildest dreams ________these people are living in such poor conditions． A．I could imagin
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• Generally speaking_______acording to theinstructions，the drug has no side effect.A．when takingB．when
• At no timethe first to use the nuclear weapon.A．will China beB．will be ChinaC．is ChinaD．China is-英语
• 种植白菜、青菜等叶类蔬菜，应多施[]A．含氮的无机盐B．含磷的无机盐C．含钾的无机盐D．含钙的无机盐-八年级生物
• (2013·湖南，35)Not once________to Michael that he could one day become a top student in his class.A．occ
• Don’t touth anything unless _______ .A．to be allowedB．allowedC．to be allowingD．allowed to-高二英语
• In a typical business situation, women, _______, find themselves bumping their heads on “glass ceil
• Not until________,_________.A．did she take off, I realizedB．she took off, did I realizeC．did she tak
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