As is known to us all, under no circumstances______ temporary economic development at the expense o

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• ----What’s the matter with Della? ---- Well, her parents wouldn’t allow her to go to the party, but
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• 科学家发现植物体内也会产生微弱的生物电，这些电流大多是在生理活动过程中产生的，猜猜看，植物产生电流的原因可能与下列哪个活动有关[]A．吸收水分B．吸收无机盐C．吸收二氧化-八年级生物
• So necessary _____ it to learn about their customs that I will attend a special lecture next week.A．
• 王华想要验证植物生长是否需要无机盐。她将两株生长状况相同的幼苗分别培养在蒸馏水和土壤浸出液中，观察实验结果。请回答下列问题：（1）设计本实验时提出的假设应该是_______-八年级生物
• 王大爷在花盆种了一棵橘子，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-生物
• Not until she took off her dark glasses ________ she was a famous film star.A．I realisedB．that did I
• 如果只给番茄植株施用大量含氮的无机盐，结果将会是（）A．植株生长旺盛，枝叶繁茂，但果实很少B．茎秆健壮，果实多，成熟早C．植株矮小瘦弱，叶片发黄D．叶片呈暗绿色，叶脉呈淡棕-生物
• 土粒之间的水分里含有无机盐，这样的液体叫做______．-生物
• 菜农在种植马铃薯时施农家肥料的主要目的是为它的生长提供（）A．水B．无机盐C．有机物D．以上都是-生物
• ---- Here____! Where is Xiao Liu? ---- There____.A．comes the bus, is heB．comes the bus, he is C．the
• Only by increasing the number of doctors by 50 percent ________ properly in this hospital. (2013·大纲全
• It’s crazy of you to spend more time playing computer games than you _______ studying. A．areB．haveC．
• 植物生长过程中需要多种无机盐，被称为植物生长“三要素”的是（）A．光、水、气B．氮、磷、钾C．锌、钙、镁D．碳、氮、氧-生物
• “Never for a second，”the boy says，“________that my father would come to my rescue.” (2013·江苏，27)A．I
• 将中等产量的种子分别种在肥沃和贫瘠的实验田中，得到产量高的种子甲和产量低的种子乙。将甲和乙分别种在同样的普通农田中，预计产量是[]A．甲高产，乙低产B．甲中产，乙中产C-八年级生物
• 植物的生长只需要含氮、磷和钾的无机盐．______．-生物
• Not until all the fish died in the river ______ how serious the pollution was.A．the villagers did re
• Only when he apologizes for his rudeness ____to him again.A．I will speak.B．will I speak.C．do I speak
• 如图，验证植物生活需要无机盐的A、C试管中分别装有肥沃土壤浸出液和某种液体X，B、D分别为A、C试管放在相同且适宜环境中生长两星期后的情况．E是B试管中的某一根尖纵切结构示-生物
• 植物生长需要量最多的无机盐是含______、______、______的无机盐．-生物
• The new technology, if____ to farming, will help increase the grain output.A．applyingB．to applyC．app
• _______, Sharon couldn’t find her lost wallet.A．As she might tryB．Might she as tryC．She might as tr
• 小明家的苹果树枝繁叶茂，却在形成花蕾以后出现落蕾现象．小明根据所学生物学知识及时给苹果树施加了适量的化肥以后，就不再出现落蕾现象，并且不久开花了．请问小明施加的化肥-生物
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• 被称为植物营养的“三要素”的是[]A．含硼、含钾、含铁的无机盐B．含氮、含钾、含铁的无机盐C．含氮、含磷、含铁的无机盐D．含氮、含磷、含钾的无机盐-七年级生物
• 无土栽培是指把植物（）A．栽培在清水中B．栽培在土壤溶液中C．栽培在营养液中D．全部暴露在空气中-生物
• It’s required that the students__ mobile phones in their school, so seldom _ them using one. A．not u
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• Only after Mary read her composition the second time ____ the spelling mistake.A．did she noticeB．she
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• 黄河口大米由于光照充足、生长期长、加上使用黄河水灌溉，形成了独特的品质－晶莹透亮、粘度适中、甘醇清香、营养丰富，被世界卫生组织认定为“无公害食品”。请分析回答：（1）东-八年级生物
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• In the dark forests＿＿＿，some of which are large enough to hold several small towns.A．are lying many
• So absorbed ________ in the research that she didn’t hear someone knocking at the door.A．she didB．di
• 农谚说：“有收无收在于水，收多收少在于肥”．这句谚语形象地说明了植物的生活离不开（）A．适宜的温度B．充足的有机物C．水和无机盐D．一定的湿度-生物
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• 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
• Hardly ________ when the flood peak arrived.A．they had left their villageB．they left their villageC．
• 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