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

更多内容推荐

• 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
• . If _____ to look after luggage for someone else, inform the police at once.A．askedB．to askC．asking
• 农民给庄稼施肥、浇粪，主要是为植物提供（）A．氧气B．水C．无机盐D．有机物-生物
• (2013·四川省南充市二模) ________ him not to do so, he wouldn't have made such a serious mistake.A．If I
• I have already seen that interesting film. _____.A．So does heB．So has heC．So he doesD．So he has-英语
• 在下面的成语、诗句、俗语中，选择两个，说出其中蕴涵的生物学道理．（1）“望梅止渴”______．（2）“螳螂捕蝉，黄雀在后．”______．（3）“有收无收在于水，收多收少在于肥．”______．（4
• 植物的生活需多种无机盐，其中需要量最多的是含______、含______和含______的无机盐．-生物
• His parents thought only in this way ________ become successful，studying abroad.A．could TomB．Tom cou
• On the small island, which is at the entrance to New York Harbor, ________.A．the Statue of Liberty
• 以下是瓜农利用高科技塑料大棚种植青州银瓜过程中遇到的一系列实际问题，请分析回答：（1）大棚种植银瓜的过程中，瓜农往往采取“客土栽培”、“引水灌溉”等方法来保持青州银瓜的优-生物
• 种庄稼施的农家肥和化学肥料，主要是给植物提供（）A．有机物B．无机盐C．无机物D．能量-生物
• ______ for the free tickets, I would not have gone to the films so often.A．If it is not B．Were it no
• 植物生长需要量最大的无机盐是（）A．锌、氮、钾B．钙、氮、磷C．硼、磷、钾D．氮、磷、钾-生物
• 小明为了做“绿叶在光下制造有机物”的实验，买了一盆天竺葵．几天后，他发现部分叶片（包括叶脉在内）全部变黄，如果需要施肥，你认为小明应给花施哪种肥料（）A．氮肥B．磷肥C．钾肥-生物
• (2013·陕西西北工大附中一模) ________ a little earlier, you could have got a copy of his latest book.A．If you w
• . ---What has Tom been doing recently? ---I don’t know, ___________care.A．nor do IB．nor I doC．neithe
• 将两株同样大小的玉米幼苗，分别放在盛有等量蒸馏水和土壤浸出液的试管中培养．两周后现象如图，说明植物生活需要（）A．水B．无机盐C．阳光D．温度-生物
• 植物生长需要的营养物质有______、______和______．其中，______和______是通过根从土壤中吸收的，______是通过叶进行光合作用制造的．植物生长需要量最多的是含______的
• Hearing the bell ringing，out ________.A．rushing the childrenB．were rushing the childrenC．rushed the
• Behind the coach ________ our team wearing blue suits.A．walkB．haveC．is followedD．appears-高三英语
• Don't you recognize him? Just look up. On the opposite wall ________.A．does his photo hangB．han
• 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
• Hardly ______ his speech ______ the audience started cheering.A．did he finish; thanB．does he finish
• 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