(2013·福建，34)Not until he went through real hardship ________ the love we have for our families is im

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• ________ about wild plants that they decided to make a trip to Madagascar for further research.A．So
• ________ she is not so cheerful ________ she used to be?A．How it is that；asB．How is it that；asC．Is i
• (2013·甘肃兰州名校高三检测)I have been living in the United States for 20 years, but seldom ________ so lonely
• The Chinese government promised that under no circumstances ________ the efforts to provide universa
• Kate had a terrible time this summer. Not a day ________ without having some unpleasantness with her
• 植物生活需要量最大的三种无机盐是（）A．含氮、磷、钾的无机盐B．含钙、铁、钾的无机盐C．含氮、镁、锌的无机盐D．含钙、磷、硼的无机盐-生物
• (2010·江西)Not until he left his home ________ to know how important the family was for him.A．did he b
• Deep in the forest _____, who made no contact with the outside world.A．living a coupleB．were a coup
• 水稻生长的后期，为防止灌溉后倒伏，应多施（）A．含钾的无机盐B．含磷的无机盐C．含氮的无机盐D．含锌的无机盐-生物
• You shouldn’t talk until ________ to.A．askingB．having askedC．to askD．asked-高二英语
• 如图是植物根尖结构图，据图回答：（1）图中各部分依次是一二三四。（2）吸收水分和无机盐的主要部位是。（3）根吸收来的水分和无机盐，通过茎中运输到叶。（4）当周围水溶液的浓度小-七年级生物
• 西瓜种植过程中，既经济又科学的施肥方法是（）A．只施化肥出B．只施农家肥C．施大量化肥配合少量农家肥D．以施农家肥为主配合少量化肥-生物
• The research is so designed that once _____ nothing can be done to change it.A．beginsB．having begunC
• —Would you like to join me for a quick lunch before class?—________，but I promised Nancy to go out
• 下列植物中，需要含氮的无机盐较多的是（）A．菠菜B．大豆C．花生D．马铃薯-生物
• 为了防止水稻倒状（成熟期植株自然倒下），在水稻生长早期应追加什么肥最有效[]A．含氮的肥料B．含磷的肥料C．含钾的肥料D．混合肥料-七年级生物
• “In no conditionyou are a Chinese.” Dad told me before I went abroad.A．you should forgetB．forget you
• (2013·陕西重点中学高三二模)We pursue happiness, thinking one day we will find it. But ________ it by seeking i
• 含钾的无机盐能促使茎干健壮，淀粉等的形成．在一些山区的土壤溶液中含钾较多，这种土壤最适合栽种的植物是花生和大豆．______．-生物
• －Why didn’t Tom give you one of his paintings?－I didn’t want one，but he would have given me one if I
• ．Not until I came home last night ______ to bed .A．Mum did goB．did Mum goC．went MumD．Mum went-高三英语
• 甲试管盛有肥沃土壤的浸出液，乙试管盛有蒸馏水，各培养一棵大小相同的健壮幼苗，过些日子后观察这两棵幼苗的长势，请回答：（1）甲苗生长______，颜色______．乙苗生长______，-生物
• Only when we have strong confidence, courage and strength, ________ overcome all the difficulties.A．
• Only after one has become a parent _____ how great his parents are．A．he will realizeB．will he realiz
• ______ a little earlier, you could have caught the last bus.A．If you would arriveB．If you arrivedC．S
• (2013·开封高三第一次模考)Not until ________ the Internet ________ that the Chinese sailors were rescued by th
• 海尔蒙特从柳树栽培实验中得到启发，绿色植物生长所需要的物质是[]A．二氧化碳B．水C．氧气D．无机盐-七年级生物
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• 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
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• _____ 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
• 下图表示植物细胞吸水和失水示意图，根据图回答：(1)细胞吸水或失水主要取决于____浓度和_____浓度之间的大小。(2)萎蔫的青菜放入清水中变得硬挺，在这一过程中细胞是吸水还是-七年级生物
• 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