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• ______ about the missing Beijing-bound Malaysian flight that he decided to look for more information
• 农作物栽培过程中，需要施用量最多的无机盐是（）A．含氮磷钾的B．含锰钼铜的C．含氮磷钙的D．含铁锌钙的-生物
• 植物可以进行无土栽培的原因是（）A．植物吸收的并不是土壤中的无机盐B．植物的根从土壤中吸收的仅是水分和无机盐C．土壤与植物生长无关D．土壤对植物仅仅起固定作用-生物
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• 氮肥的作用是（）A．枝繁叶茂B．硕果累累C．茎杆健壮D．繁花似锦-生物
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• 菜农描述了承包田里油菜生长的情况，请你查阅资料，帮他找出解决方法．（1）苗期植株生长特别缓慢，且叶片出现紫色，最好施加哪种无机盐肥料？（2）春天返青后，发现叶片发黄，应施-生物
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• 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
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• Not until she took off her dark glasses ________ she was a famous film star.A．I realisedB．that did I
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