地球上所有的生物共有一个家，这个家就是（）A．大气圈B．水圈C．岩石圈D．生物圈-生物

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• 某一个生态系统中的水受到污染，对其他生态系统也有影响．______．-生物
• ______是地球上最大的生态系统，它包括的______的下层、整个______和______的上层．-生物
• 地球上最大的生态系统是（）A．湿地生态系统B．生物圈C．海洋生态系统D．森林生态系统-生物
• 在生物圈的各个圈层中，生物种类最多的是[]A．大气圈B．水圈C．岩石圈D．无法确定-七年级生物
• 人类及一切陆生生物的“立足点”位于[]A．整个水圈B．大气圈下层C．岩石圈上层D．生物圈-七年级生物
• 生物圈的范围是大致是[]A．海平面以下10千米和海平面以上10千米之间B．水圈和岩石圈C．海平面以下100米和海平面以上100米D．大气圈和岩石圈-七年级生物
• 下列关于生物圈的说法正确的是[]A．生物生活的地方B．大气圈的底部C．地球上全部的生物D．地球上的生物及其生存环境-七年级生物
• 地球上最大的生态系统是__________，它的范围包括______________、_____________和岩石圈的表面。-七年级生物
• 下列生物中在整个生物圈分布最广的是[]A．昆虫和鸟类B．绿色开花植物C．细菌等微生物D．昆虫和兽类-七年级生物
• —Have you ever been to Wuhan? —No,.[ ]A. neither B. nor C. either D. never-八年级英语
• —Do you often exercise, Jason?—No, _______. I don’t like sports at all.[ ]A. usually B. often C. nev
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• Chen Hui was chewing gum _____. [ ]A. anywayB. all the timeC. all time D. all the same -九年级英语
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• Cotton is growing fine, _ _ in that area. [ ]A. especial B. especially C. especialled D. especiallin
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• My host family is _____nice.[ ]A. realB. reallyC. hardD. hardly-八年级英语
• The river is __ wider than that river.[ ]A. very B. too C. toD. so-八年级英语
• She was very tired. She didn't want to work______.[ ]A. anymoreB. for long timeC. sometimesD. t
• My father_____ plays sports. He only exercises once a month.[ ]A. neverB. everC. hardly never D. har
• I don't like it when the saleswomen follow me .[ ]A. afterB. aroundC. beforeD. at-八年级英语
• ln the accident, Mr Brown get injured as _as his wife. [ ]A. seriousB. seriously C. more seriouslyD.
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• —Would you please help me ______, Wang Fei? This question's too hard for me.—OK. Let me try.[ ]