不同植物及同种植物的不同生长时期，需要的无机盐是不同的。[]-八年级生物

更多内容推荐

• 农作物栽培过程中，需要施用量最多的无机盐是[]A．含铁、锌、钙的无机盐B．含锌、铝、铜的无机盐C．含氮、磷、钙的无机盐D．含氮、磷、钾的无机盐-八年级生物
• Never______ such a difficult problem. It took me almost half an hour to work it out.A．had I come ac
• Only when I put myself in their position ________ they were more miserable than me.A．I had knownB．ha
• Never before______ such a wonderful park, ______ I'd like to pay a visit again.A．had I seen; w
• We laugh at jokes，but seldom about how they work．A．we thinkB．think weC．we do thinkD．do we think-高三英
• ________ this way can we smooth the difficulty we are faced with now.A．Just inB．After inC．Just byD．O
• There are eight tips in Dr.Roger's lecture on sleep，and one of them is：________ to bed early un
• ________ that Tom got inside the room to see what was going on.A．So strangely did he feelB．So strang
• 植物生活中，需要量最大的是含___的无机盐。[]A．钾、铁、锌B．氮、硼、铁C．钾、铜、镁D．氮、磷、钾-七年级生物
• 植物需要的无机盐[]A．由叶吸收B．主要由根吸收C．茎和根共同吸收D．根茎叶都可以吸收-八年级生物
• 植物生活需要多种无机盐，其中需要量最多的是________、________和________的无机盐。-七年级生物
• 根据植物生活需要无机盐的、和配制营养液，用营养液来栽培植物，这就是无土栽培。-七年级生物
• “Never for a second,” the boy told the reporter, “________ that my father would come to my rescue.”A
• The sign says that children are admitted only if ________ by an adult.A．to be accompaniedB．accompany
• (2013·中原名校联考)Not only ________ polluted but also ________ crowded.A．is the city；are the streetsB．the
• In his speech, he said that it was his primary school teachers that he was fond of ________influence
• seems to be a strong competition for students to enter a key university.A．ItB．There C．WhatD．That-高三英
• 下列蔬菜中需要含钾无机盐较多的是[]A．白菜B．番茄C．马铃薯D．芹菜-七年级生物
• Not until I read your letter ________ the true state of the affairs.A．did I understandB．had I unders
• ---Have you got any particular plans for the coming holiday? ---Yes._____, I’m going to visit some h
• (1)请你通过阅读报纸、杂志，查阅图书馆的资料或上网查询，访问长辈或花农等方式，完成下面的比较表(2)校园里的几株苏铁出现了叶片发黄、生长缓慢、植株弱的现象，请你帮忙诊-七年级生物
• 压条时，将入土部分的树皮划破，易促进生根的原因是[]A．有利于吸收水分B．有利于吸收无机盐C．有利于吸收各种营养物质D．有利于积蓄有机物-八年级生物
• Unsatisfied ________ with the payment, he took the job just to get some work experience.A．though wa
• 在下列农作物的生长过程中，应注意多施加含钾的肥料的植物是[]A．番茄、花生B．马铃薯、红薯C．茄子、黄瓜D．油菜、花椰菜-七年级生物
• (2013·皖南八校联考)________ here yesterday，he could have seen Jackie Chan.A．If Bob has comeB．If Bob cameC．
• He is rather difficult to make friends with, but the friendship of his, _____, is truer than that o
• －Have you got any particular plans for the coming winter vacation?－Yes, _, I'm going to visit m
• At the bottom of her bed _______ many decorations that my daughter made for the coming new year.A．h
• 枝条是由芽发育成的，植株生长需要量最多的无机盐是氮、磷、____________。-七年级生物
• Little _______he was saving every penny he earned in order to go to a fashion school.A．the parents d
• ________ going to the program If You Are the One，she knew she had to be there or her mother would be
• 所谓“母大儿肥”是说植物营养生长越旺盛则其生殖器官产量越高，请从营养生长与生殖生长的关系方面加以说明此说法是否全面？-七年级生物
• 含氮的、含磷的、含钾的无机盐等这些非生物的环境因素可能是影响植物生长的主要因素。为了证实这一想法，七年级有四位同学分别在相同的花盆里放入珍珠岩和蛭石（按一定比例），-七年级生物
• 农谚说“有收无收在于水，收多收少在于肥”，说明了植物的生活需要___________和肥料中的____________。-八年级生物
• _____ on the top of the hill is a monument, dating back to hundreds of years ago.A．Having stoodB．St
• 在白菜、菠菜等作物的农业生产中，应注意多施加[]A．含氮的肥料B．含磷的肥料C．含钾无机盐D．含钙无机盐-七年级生物
• ______ that we all think it worth the money.A．Such fine furniture has he boughtB．So fine a furniture
• In front of me_______, where many athletes from all over the world will compete for Olympic gold me
• Doctors have said that as many as 50% of patients don’t take medicine_______. A．like directedB．to b
• 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．同一植物在不同生长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-七年级生物
• 植物体生长需要多种无机盐，其中需要量最多的无机盐是含氮的、含磷的、含钾的无机盐。[]-七年级生物
• When _______, the new school will be open in the year 2015. A．completedB．completingC．being completed
• —Mary，turn the heat down，________ burn.—OK.Mum.A．the cake willB．or the cake willC．will the cakeD．and
• “有收无收在于水，多收少收在于肥”这句农谚形象地说明了水对农作物生长发育的重要性，请完成围绕这句农谚提出的问题。(1)“有收无收”的“收”是指农业上的收成，即收获农作物上-七年级生物
• 农谚说“有收无收在于水，多收少收在于肥”，农作物生长也需要营养。下列哪种物质不是农作物需要的营养[]A．水分B．无机盐C．有机肥D．氧气-八年级生物
• --- How is the man injured in the accident?---- The doctor said if ________ in a proper way, he was
• 盐碱地不利于植物生长的根本原因是[]A．植物不能吸收盐碱物质B．土壤溶液浓度大，根吸水过多C．土壤溶液浓度小，根吸水过多D．土壤溶液浓度大，根失水过多-七年级生物
• Upon into the blue sky ______ when we passed by its nest.A．did the bird flyB．flew the birdC．the bird
• Into the sky______the light blue smoke.A．had gone upB．up wentC．did go upD．went up-英语
• 比较正常叶片和缺少氮磷钾的叶片，用线段将对应关系连接起来。A．正常叶片a．叶片发黄、植株矮小B．缺少氮肥的叶片b．浓郁、植株健壮C．缺少磷肥的叶片c．叶片边缘发黄D．缺少钾肥的-七年级生物