盆栽花卉出现了叶片发黄的现象，主要缺少（）造成的．A．含氮的无机盐B．含磷的无机盐C．含钾的无机盐D．含铁的无机盐-生物

更多内容推荐

• 居家生活中，越来越多的人喜欢在阳台庭院中种植花草果蔬．下面的植物中，不需要施加含氮肥料的是（）A．青菜B．豌豆C．西红柿D．白兰花-生物
• _______the thick clouds, you would find the kite in the sky easily.A．Had it not been forB．If it were
• ．________ surprising it is you should not know what has happened!A．WhatB．HowC．ThatD．It-高三英语
• 植物营养“三要素”不包括[]A．氮B．磷C．钾D．铁-七年级生物
• ______ you do the experiment carefully, you would make discoveries others wouldn’t make.A．ShouldB．Wo
• 要使土壤长期保持肥力，保证农作物高产，最好使用（）A．化肥B．禽畜粪尿、人粪尿C．秸秆还田D．自然状态-生物
• 联系农业生产的实际，列举一些促进生物体由小长大的生产措施．-生物
• 将大小相同的白菜分别栽在ABCD四个盆中，除施肥不同外，其他的条件都相同．白菜长的最旺的是（）A．施含钾的肥料B．施含磷的肥料C．施含氮的肥料D．不施肥料的-生物
• The birth planning policy allows my parents to have a second child because of my disability, but to
• 一次施肥过多会造成植物萎蔫的原因是（）A．根毛细胞液浓度降低B．根毛细胞液浓度升高C．土壤溶液浓度过高D．土壤溶液浓度过低-生物
• 农谚说：“有收无收在于水，多收少收在于肥”．这说明植物的生长需要（）A．水和无机盐B．有机物C．维生素D．适宜的温度-生物
• My former class teacher asked me to go and see him whenever _________.A．I will be convenientB．it wil
• It was ________ he came back from Africa that year ________ he met the girl he would like to marry.A
• 绿色植物通过光合作用制造有机物，所以绿色植物不需要营养。[]-七年级生物
• On the small island, which is the entrance to New York Harbor, _______.A．the Statue of Liberty stand
• 植物生长过程中，需要量最多的无机盐是含________的无机盐（）A．硼、铜、氮B．钾、硼、铁C．铁、磷、锌D．氮、磷、钾-生物
• In the eastern part of New Jersey ________， a major shipping and manufacturing center.A．the city of
• 农民为庄稼施肥，主要为植株生长提供含_______、_______、_______的无机盐。-七年级生物
• 下列四个选项中，不属于植物生长“三要素”的是（）A．氮B．磷C．钾D．铁-生物
• (2013·辽宁五校协作体第一次联考)________ about the man wearing sunglasses during night that he was determined to
• ---How about going for a walk? --- ________ great. Let’s get going.A．SoundB．SoundingC．To soundD．Soun
• 在温室大棚蔬菜种植过程中常用下列做法，请用所学知识进行合理解释．（1）在博览园里，我们看到最多的是根据植物生长的需要配制营养液来栽培植物，这种技术叫______．你认为根吸-生物
• 农谚“庄稼一枝花，全靠肥当家”．肥料的作用主要是给农作物提供（）A．水B．氧气C．无机盐D．有机物-生物
• Barry must have visited the Eiffel Tower before，________he?A．mustn’tB．hadn’tC．hasn’tD．needn’t-高三英语
• The parents didn't tolerate their kids' rudeness at the party, nor ______ themselves to be
• 种植的花卉有时出现老叶和大部分叶片的边缘和叶尖枯黄，呈褐色的情况．这时应给花卉施用（）A．含钾的无机盐B．含磷的无机盐C．含氮的无机盐D．含铁的无机盐-生物
• We all see Deng Chao's performance skills, yet little ________ attention to his singing talent.
• and class began.A．In came the teacherB．The teacher in cameC．In came heD．Came in the teacher-高二英语
• Seeing the owner, away ________.A．the thief ran B．the thief runsC．did the thief ran D．ran the thief-
• (2013·南昌一模)It is comforting to see that ________， we are doing our part for the environment.A．as sma
• 农谚说：“有收无收在于水，收多收少在于肥”．这说明植物生长需要（）A．水和无机盐B．有机物C．维生素D．适宜的温度-生物
• --– Who should be responsible for the accident?--– The boss, not the workers. They just carried out
• 给庄稼施肥的作用主要是给植物的生长提供无机盐．______．-生物
• ________ and we’ll get everything ready for the taking off.A．Have one more hourB．One more hourC．Give
• Not until we have had a chance to discuss it thoroughly ________ perfectly.A．the problem has been se
• —Have you been to the Great Wall?—Perhaps not in my memory.________，it might have been during my ear
• The China dream is the people's dream. Only when everyone is hardworking and full of energy to
• 菜农给青菜施农家肥主要是给青菜的生长提供（）A．无机盐B．有机物C．水D．能量-生物
• 居家生活中，越来越多的人喜欢在阳台庭院中种植花草果蔬。下面的植物中，不需要施加含氮肥料的是[]A．青菜B．豌豆C．西红柿D．白兰花-八年级生物
• Hardly had she walked out of the woods ＿＿＿ she heard the strange scream coming from behind a tree.-高
• ________ for the fact that she broke her leg, she might have passed the exam.A．Hadn't it been B
• 植物生活需要多种无机盐，其中需要量最多的是含（）A．碳、氢、氧的无机盐B．氮、磷、钾的无机盐C．钙、铁、锌的无机盐D．磷、硫、镁的无机盐-生物
• He is a good cook at home and takes good care of the children, and his wife.A．so doesB．so isC．so is
• 用肥沃的土壤浸出液培养的幼苗生长健壮、颜色鲜绿（如图），主要是因为土壤浸出液中（）A．溶解的无机盐能满足植物生活的需要B．含有有机物质能满足植物生活的需要C．有足够的水分能-生物
• 植物生长需要无机盐．要使甘蔗高产，应该多施含______的无机盐．-生物
• —Mum，I am afraid I won’t do well in the coming test.—Honey，________more careful，________you will mak
• In no way ________ in a test for a student.A．a cheat can be allowedB．can not a cheat be allowedC．can
• Hardly ________ to speak ________ someone interrupted him.A．had he begun; whenB．he had begun; while
• 昌东西瓜以其品种全、质量高而闻名。在西瓜开花结果的过程，应适当多施[]A．含钙无机盐B．含钾无机盐C．含磷无机盐D．含氮无机盐-七年级生物
• --His mother dances well.-- So _____ and so _____.A．she does; his father doesB．does she; his father