种庄稼需要施肥，肥料的作用是给植物的生长提供[]A．有机物B．水C．无机盐D．氧气-七年级生物

更多内容推荐

• The driver wanted to park his car near the roadside but was asked by the police ______.A．not to doB
• Everything，unless otherwise ________，will go on as planned.A．statingB．statesC．to stateD．stated-高三英语
• 植物生长中需要量最多的无机盐是[]A．含氮的、含磷的、含钾的无机盐B．含氮的、含磷的、含铁的无机盐C．含硼的、含磷的、含钾的无机盐D．含氮的、含磷的、含锌的无机盐-七年级生物
• 王大爷在花盆中种了一棵橘子，他每年春天都为橘子换一次新土，其原因是[]A．花盆中的土壤被植物吸收了B．土壤中肥料太少C．土壤中缺少无机盐D．土壤中缺少有机物-七年级生物
• Be careful when you cross this busy street. _____, you may get run over by a car.A．If notB．If soC．If
• 苹果树的“小叶病”和油菜的“华而不实”，其原因可能是分别缺少[]A．氯和铁B．磷和硼C．锌和硼D．磷和镁-八年级生物
• So small ________ that they don’t admit much light at all.A．the windows areB．the window is C．are the
• Interest is as vital to learning as the ability to understand, even ________ so.A．more B．thatC．much
• Never _________ he loved us children. But we knew. And we never said it to him.A．had he saidB．did he
• So much of interest ________ that most visitors run out of time before seeing it all.A．offers Beijin
• 在盐碱地里栽种的植物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
• —It's a pity that Andrew didn't want to go to the conference.—________ willing to go，we co
• –You’ve left the window open. –______. I’ll go and close it.A．So I haveB．So have IC．So I didD．So di
• –I was wondering if we could go skiing on the weekend.–______ good.A．SoundB．SoundedC．SoundingD．Soun
• ____under the tree was a charming girl aged about seventeen or eighteen.A．SatB．SittingC．To sitD．Sit-
• 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-八年级生物
• 植物需要量最大的无机盐是[]A．氮、磷、钾B．钾、钙、镁C．铁、硼、钾D．钠、钾、铁-七年级生物
• 植物需要量最大的是含氮、磷、钾的三种无机盐，其他的一些无机盐，植物对它们的需要量非常小，因此，有没有都无所谓。[]-七年级生物
• Many provinces have been hit with smog. If _______ unsolved, the problem may lead to more serious re
• _______, and problem will be settled.A．A bit more effortB．making a little more effortC．If you make a
• ______in health,he insisted on doing the experiment.A．As he was poorB．Poor as he wasC．Poor was heD．P
• 种菠菜应多施[]A．钾肥B．磷肥C．氮肥D．硼、无机盐-七年级生物
• (2013·新课标Ⅱ，12)Only by increasing the number of doctors by 50 percent________properly in this hospita
• ---Would you please help me get this job with the company?---Sure. You know, I would do ______ for y
• ---- Have you got any particular plans for the coming holiday? ---- Yes, ______ . I am going to vis
• Directly he arrived the bus station, then ____ he had intended to take. A．a bus did comeB．a bus cam
• Only when­­­­­­­­­­­­­­­­­______
• 植物生长中需要多种无机盐，其中需要量最大的是含_________、_________、_________的无机盐。-七年级生物
• —We are planning to have a casual get-together this Saturday or Sunday. Are you coming?— ________. I
• 在下列作物的生长中，应该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-七年级生物
• ---- This store has such high prices.---- I agree. Never again ____ here.A．I will shopB．will I shop
• (2013·辽宁，26)At no time________the rules of the game.It was unfair to punish them.A．they actually bro
• (2013·江西，25)Only when he apologizes for his rudeness ________ to him again.A．I will speakB．will I sp
• Not until he left home ________ the importance of his family.A．he realisedB．did he realiseC．he did
• 下列农谚中，没有科学道理的是[]A．有收无收在于水，多收少收在于肥B．粪大水勤，不用问人C．粪是农家宝，庄稼离它长不好D．春雨贵如油-七年级生物
• Not until all the fish died in the lake __________ how serious the pollution was.A．did the villagers
• 在下列哪种溶液中培养，绿色植物会生长不良[]A．土壤浸出液B．蒸馏水C．无土栽培营养液D．自来水-七年级生物
• If carefully, the experiment will be successful.A．doB．doesC．doneD．doing-高三英语
• While ______ in Scotland, he made friends with the natives there.A．workingB．workedC．he worksD．he is
• 无机盐被植物体吸收的原因是[]A．根有吸收无机盐的结构B．无机盐能溶解在水中C．根毛细胞专门能吸收无机盐D．根毛细胞有选择地吸收无机盐-七年级生物
• _____ fired, your health care and other benefits will not be immediately cut off. A．Would you beB．Sh
• Only when I read this story for a second time _________to appreciate its beauty.A．did I beginB．that
• 按照下图的方法，取2个大小相同的萝卜，各从顶端向下挖一个大小相同的洞，在A萝卜洞内装上浓盐水，在B萝卜洞内装上清水，过一段时间后，观察萝卜洞内水位的变化并注意用手摸-七年级生物
• Only after Ann read her essay the second time the spelling mistake.A．did she noticeB．she noticeC．doe
• Sitting under the willow trees ____ an old man.A．isB．areC．is thereD．are there-高三英语
• ________ these experiments were successfully completed would we think of going into humans.A．If onl
• The salmon we ate at the restaurant yesterday is terrific. I’d like to have it again even if it cost
• Only when they came ___________. A．I left the officeB．did I leave the officeC．left I the officeD．I d
• . Little ______ about her own safety, though she was in great danger herself.A．did Rose care B．Rose
• Never ______ such a good boss before I came to this company.A．do I meetB．I metC．had I metD．I had me