Not until he retired from teaching three years ago _______having a holiday abroad .A．he had conside

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• 17世纪上半叶，比利时科学家海尔蒙特设计的实验得出了植物体内的全部营养物质[]A．都是从土壤中获得的B．不是从土壤中获得的C．都是从水中获得的D．不是从水中获得的-七年级生物
• ______________, where we can stay for a week.A Next is another hotel to it B Next to it another hote
• 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．以上各项-八年级生物
• ______ it rain tomorrow, we would have to put off the visit to the Water Cube.A．ShouldB．CouldC．HadD．
• Only in Paris ______ a pair of shoes like that.A．you will buy B．can you buyC．you can buyD．have you b
• ----- Did you tell the policeman that accident?----- Hardly ________ him the detail of it when he h
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• 小明将一根新鲜的黄瓜切成若干薄片后，分别泡在清水和浓盐水中(如下图所示)，则哪种液体中的黄瓜薄片会失水变软[]A．只有清水B．只有浓盐水C．两者都会D．两者都不会-七年级生物
• Only when I left my parents for Italyhow much I loved them.A．I realizedB．I had realizedC．had I reali
• 农业生产中施肥时，应该[]A．以施用化肥为主，配合施用农家肥B．以施用农家肥料为主，配合施用见效快的化肥C．完全施用化肥D．完全施用农家肥，不施用化肥-七年级生物
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• The professor said he wouldn’t attend the opening ceremony ____.A．unless was invitedB．until inviting
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• His mind went so blank that little________ down for the first ten minutes in the test.A．he wrote B．h
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• When first____ to the market, these products enjoyed great success.A．being introducedB．having introd
• 肥沃的土壤颗粒间的水中含有________，从这种土壤中滤出的液体叫________。-七年级生物
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• 下列哪些是最能体现现代化生产的农业措施[]A．合理灌溉B．合理施肥C．根外追肥D．无土栽培-七年级生物
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• For a moment nothing happened．Then _____ that the war was over．A．came the newsB．the news cameC．did t
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• 甲试管盛有肥沃土壤的浸出液，乙试管盛有蒸馏水，各培养一棵大小相同的健壮幼苗，过些日子后观察这两棵幼苗的长势，请回答：（1）甲苗生长________，颜色________。乙苗生长___-八年级生物
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• This is not my story, nor ______ the whole story. My story plays out differently.A．is thereB．there i
• ______ I already know what career I want to follow.A．Young as I amB．I am as youngC．As I am youngD．As
• 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-七年级生物
• What we have to admit is that never in the past thirty years __________ so greatly as today.A．has Ch
• 植物细胞吸水取决于[]A．细胞液浓度B．细胞液浓度＞细胞周围水溶液浓度C．细胞周围水溶液浓度D．细胞周围水溶液浓度＞细胞液浓度-七年级生物
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