植物体需要量最多的无机盐是（）A．氮、磷、钾B．硫、钾、铁C．氮、磷、硫D．碳、磷、锌-生物

更多内容推荐

• 某同学在春天买了5盆同样大小的同种植物，每天向花盆内浇同样量的水和液体肥料，不久植物开始发芽。为了探究植物生长和肥料间的关系，对5个花盆作了如下处理，然后观察植物的-七年级生物
• 能够促使幼苗发育和花朵开放，并且使果实和种子提早成熟的无机盐是（）A．含磷的无机盐B．含铁的无机盐C．含钾的无机盐D．含氮的无机盐-生物
• _________ are the days when teachers punished students for minor offenses, being late for school, fo
• —Have you got any particular plans for the coming holiday?—Yes.________，I'm going to visit some
• 植物营养的“三要素”是指（）A．氮、磷、钾B．锌、钾、钼C．硼、铁、钼D．铁、铜、氧-生物
• 要使农作物生长良好，就需要适时、适量地______．-生物
• Much ________ he has a good taste for China’s football matches，he can’t avoid being influenced by th
• If a healthy environment is gone, ________ everything that our life depends on.A．so isB．nor isC．so
• ____________ her mother came to help her for the first few months ______________ to begin her projec
• ------Don’t forget to return the book in two weeks. ------ _____ Don’t worry about it.A．Yes, I won’t
• ------Mr Tito’s journey was certainly unusual! ------_____ he chose, and the price of his trip.A．So
• 在下列作物的农业生产中，应注意多施加钾盐的一组植物是（）A．甘薯、马铃薯B．番茄、花生C．白菜、油菜D．菠菜、芹菜-生物
• —I am really scared to know the scores of the test! —________，why did you come here to see our teach
• —Who should be responsible for the accident?—The boss，not the workers.They just carried out the orde
• 植物的生长需要多种无机盐，其中需要量做多的是含______，含磷和含钾的无机盐．-生物
• 现在，植物可以无土栽培，进行工厂化生产，土地保护无关要紧______．-生物
• —Michael has changed beyond recognition.—________！How did he manage to lose so much weight?A．So has
• 马铃薯是曲靖市的重要农产品，种植时应多施（）A．含氮的无机盐B．含钾的无机盐碱地C．含磷的无机盐D．含铁的无机盐-生物
• —Under no circumstances ________ the door to the Data Centre unlocked.—I promise I'll be more c
• (2012·浙江高考)Had they known what was coming next, they ________ second thoughts.A．may haveB．could have
• When the millionaire was young, he was very poor. Only by doing part­time jobs during the summer
• 种植菠菜、白菜等蔬菜时，肥料应以（）为主．A．钾肥B．氮肥C．磷肥D．锌肥-生物
• It sounds like something is wrong with the car's engine.________，we'd better take it to th
• (2013·衡水一模) The question ________ you should take this medicine should be decided by your family doc
• For a moment nothing happened, thenall shouting together. A．voices had comeB．did voices comeC．voices
• 植物生活过程中需要量最大的无机盐是（）A．氮、磷、硼B．氮、磷、钾C．氮、磷、铁D．钾、铁、硼-生物
• 植物需要量最大的是含______、______、______的无机盐，除此之外还需要一定量的“微量元素”，如铁、硼等．-生物
• 为验证植物的生长需要无机盐，某同学做了如下实验：将两株生长状况完全相同的健壮幼苗分别培养在蒸馏水和土壤浸出液中，一段时间后，两株幼苗的生长状况是（）A．均生长良好B．均-生物
• —Nothing wrong with it，________？—No.Yours is a specially built model.Drive carefully，though.A．is the
• ．No sooner ________ down on bed ________ the telephone rang.A．had he lain; thanB．had he lied; whenC．
• So quickly ________ is a possibility today may be a reality tomorrow.A．are science and technology ad
• 在甘蔗地里间种花生、大豆等豆科植物，可少施氮肥的原因是（）A．甘蔗生长不需要氮肥B．空气中有氮肥C．土壤本身含有大量的氮肥D．豆科植物中根瘤菌可增加土壤的含氮量-生物
• Little ________ about her own safety，though she was in great danger herself.A．did Rose careB．Rose di
• He was unable to make such progress, __________________.A．as he tried hardB．as hard he triedC．so har
• (2013·福建，34)Not until he went through real hardship ________ the love we have for our families is im
• 植物特别矮小，叶片呈暗绿色，并出现紫色，这种症状可能是缺乏含什么的无机盐？（）A．铁B．磷C．钾D．氮-生物
• 给庄稼施肥时，用量越多越好．______．-生物
• 大白菜生长过程中，需要量最多的无机盐是（）A．含铁、锌、钙的无机盐B．含锰、铝、铜的无机盐C．含氮、磷、钙的无机盐D．含氮、磷、钾的无机盐-生物
• ________ 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