Only after one has become a parent _____ how great his parents are．A．he will realizeB．will he realiz

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• (2013·开封高三第一次模考)Not until ________ the Internet ________ that the Chinese sailors were rescued by th
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• 植物可以进行无土栽培的原因是[]A．植物吸收的并不是土壤中的无机盐B．植物的根从土壤中吸收的仅是水分和无机盐C．土壤与植物的生长无关D．土壤对植物仅起固定作用-八年级生物
• 小明栽了一盆花卉，他非常用心地护理它。为了使它生长得更好，在花盆中施用了一些化肥，施肥后，花卉不但没有长好，反而出现萎蔫现象。请你帮他分析一下，这可能是什么原因？-七年级生物
• 在种植大白菜、菠菜、芹菜等以收获叶为目的植物时，应多施用（）A．含锌的无机盐B．含磷的无机盐C．舍钾的无机盐D．含氮的无机盐-生物
• 植物的生长需要量最多的无机盐是（）A．含铜、锌的B．含碘、氯的C．含汞、镉的D．含氮、磷、钾的-生物
• —Why wasn't John hired for the job?—I don't know, but he ________.A．wasB．had beenC．should
• 植物能进行无土栽培依据的原理是（）A．植物吸收的并不是土壤中的无机盐B．植物的根吸收的只是水和无机盐C．土壤对植物的生长并没有作用D．植物的根只吸收水和氮、磷、钾三种无机盐-生物
• Not until he took off his dark glasses ___________ he was a famous film star. A．had I foundB．did I f
• 如果植株生长得特别矮小，而且叶片呈暗绿色甚至紫色，是由于缺少哪种无机盐[]A．氮B．磷C．钾D．铁-七年级生物
• (2013·河南豫西五校高三质检)Helen has just heard the news from her father ________ her boyfriend David will com
• ________ me what you wanted to know, I should not have wasted my time talking so much with you.A．Ha
• _____ is necessary for us to tell him about the result.A．ThatB．ThisC．ItD．What-高一英语
• 实验1在洁净的玻璃板的两侧，分别滴有少许土壤浸出液和等量的蒸馏水，将玻璃板放在火焰上加热，待土壤浸出液和蒸馏水完全蒸发后，观察发生了什么现象。实验2中用甲、乙两个试-七年级生物
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• For a moment nothing happened; then______ from the excited audience.A．cheers cameB．did cheers comC．c
• So convenient _______ to pay by credit card that more and more people apply for their credit cards.
• 刘芳同学要探究某种植物生长是否需要含氮的无机盐，设计方案如下：请你帮她将探究活动的过程填写完整。(1)提出问题。(2)作出假设。(3)实验步骤：①配制种类齐全的无机盐培养液放-七年级生物
• 为了证明镁是大豆生活必需的无机盐，取两株生长状态相同的大豆幼苗，将其中的一株培养在含镁的培养液中，另一份培养在（）中．A．纯净水B．不含镁的沙土C．只含镁的水D．不含镁的培-生物
• 种植白菜、菠菜等以生产叶为主的植物需要多施（）A．氮肥B．磷肥C．钾肥D．硼肥-生物
• Mother reminds, “________ rain, take an umbrella.” as spring approaches.A．Shall itB．It shallC．Shoul
• _________ who had arrested him three times for carrying drugs.A．Before George stood the policemanB．
• (2013·郑州一模)—Did you tell her the bad news?—Yes, but I'd rather ________.A．didn't B．notC．no
• (2013·安徽重点中学一模)Not only ________ to turn off the lights in the kitchen, but we also failed to lock t
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• Only latelyabout the dark secrets behind the seemingly-happy marriage of the golf star Tiger Woods.A
• 在植物的生长过程中，需要大量的无机盐是（）A．含铁、锌、钙的B．含锰、铁、氮的C．含氮、磷、钙的D．含氮、磷、钾的-生物
• 下列关于无机盐的说法，错误的是（）A．不同植物一生中需要的无机盐不同B．同一植物在不同手杖发育时期对无机盐的需求量不同C．植物生活需要量最大的无机盐是含氮、含磷和含钾的无-生物
• 下列哪些是最能体现现代化生产的农业措施（）A．合理灌溉B．合理施肥C．根外追肥D．无土栽培-生物
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• It’s beyond words. Nowhere else in the world _______ such a wonderful house!A．can find youB．you can
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• 需要磷肥较多的植物是（）A．甘薯和甘蔗B．番茄和白菜C．豆角和黄瓜D．芹菜和萝卜-生物
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• 在种植这些农作物时都需要进行施肥，肥料的作用是给植物的生长提供无机盐，请问，植物体需要量最多的无机盐是[]A．碳、磷、锌B．硫、钾、铁C．氮、磷、硫D．氮、磷、钾-七年级生物
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• So seriously that he had to stop playing in the football matchA．his feet were hurtB．were hurt his fe
• — Have you got any particular plans for the coming holiday? — Yes, _____, I’m going to visit some h
• 下列不属于无土栽培优点的是（）A．不需要使用化肥B．产量高、不受季节限制C．不受地方限制，可进行离体种植D．节水、节肥、清洁卫生-生物
• — Susan, will you please go and empty the rubbish?— ______?A．What forB．What is itC．How is itD．How co
• Under the apple tree in the garden，smiling at another fruit harvest．A．an old man standingB．did an ol
• You say he works very hard, _____ and ______.A．so does he, so do youB．so does he, so you doC．so he d
• Beneath our feet_____ that our lives depend on for food and clothing.A．lies the earthB．lay the earth
• 某同学设计了一组实验：在两个大小相似的萝卜中各挖一个相等的洞，向甲、乙萝卜的洞中分别注入等量的清水和浓盐水，放置一段时间，分析会出现的变化。（1）用手捏萝卜的感觉：甲-八年级生物
• ____ ， I will not buy it.A．Much as do I like itB．As much I like itC．Much as I like itD．As I like it
• “庄稼一枝花，全靠粪当家”．粪的作用是（）A．为庄稼的生长提供足够的氮肥B．为庄稼的生长提供有机物等养料C．为庄稼的生长提供一切营养物质D．为庄稼的生长提供充足的无机盐-生物
• 参观烟台农博园的同学对几株上面结满了红色和黄色番茄的巨大“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．农艺师采用的这项生物技术是（）-生物
• On approaching the school you will find in the middle of our school _______.A．a high statue standsB．