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学业分层测评(八)(建议用时：45分钟)[学业达标]读图(图中阴影部分为某农作物分布区，黑粗实线为较大范围的大陆轮廓)，回答1～3题。
【导学号：27290038】1．该农作物是()A．油菜B．水稻C．亚麻D．玉米2．下列有关图示种植业特点的叙述，错误的是()A．科技水平高B．水利工程量大C．单产高D．机械化水平低3．该农作物的最大产区是()A．亚洲B．非洲C．南美洲D．欧洲【解析】第1题，由于黑粗实线为较大范围的大陆轮廓，故判定为东亚及南亚等地区，又由于阴影部分所示农作物分布区主要在沿海季风区平原，故此作物为水稻。
第2题，此题要求识记水稻种植业的特点：①小农经营；②单产高，但商品率低；③水利工程量大；④科技水平低；⑤机械化水平低。
故错误的为A。
第3题，水稻最大产区为东亚、南亚、东南亚的季风区以及东南亚的热带雨林区，故选A。
【答案】 1.B 2.A 3.A4．不属于原始迁移农业特点的是()A．只种不管，只等收获B．精耕细作C．土地和住所不固定D．刀耕火种【解析】原始迁移农业是土地和住所均不固定的一种原始的农业地域类型。
热带密林中的原始部落，来到新的地块，毁林、烧荒、掘穴播种，其生产工具简陋，不翻地，不施肥，播种之后只待收获。
精耕细作属劳动密集型农业所具有的特点。
【答案】 B现代旱作谷物农业是面向市场的农业地域类型，其基本特征是生产规模大、机械化程度高、商品率高。
读图，完成5～6题。
5．图中a、b、c、d与下列区位条件对应正确的是()①农业科技先进②人均耕地面积大③机械化水平高④市场广阔A．a—①、b—②、c—③、d—④B．a—②、b—①、c—④、d—③C．a—①、b—③、c—④、d—②D．a—②、b—④、c—③、d—①6．与长江三角洲地区相比，东北地区发展商品谷物农业的优势条件是() A．水热条件优越B．人均耕地面积大C．消费市场广阔D．农业科技先进【解析】依据框图中已提供的信息可以寻找突破口。
科技投入可以提高作物产量；耕地面积广，人们会通过提高机械化水平来提高生产率。
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