全国各地中考真题:山东省德州市2020中考生物试题(原卷版)
德州市二〇二〇年初中学业水平考试生物试题一、单项选择题1.橘子是生活中常见的水果。吃橘子时,剥去橘子的外皮,你会发现里面有一些“丝络”,橘子瓣有很多汁水。因此,构成橘子的组织应该包括()A.上皮组织、输导组织、营养组织B.上皮组织、分生组织、输导组织C.保护组织、结缔组织、输导组织D.保护组织、输导组织、营养组织2.鸟卵的结构中,将来能发育成雏鸟的部分是( )A.胚盘B.卵黄C.卵白D.系带3.教室里的课桌主要是用木本植物茎的木质部做成的,这些木材中的物质最终来源于()A.土壤中的无机盐B.土壤中的无机盐和水C.大气中的氧D.大气中的二氧化碳和土壤中的水4.人体对食物中的蛋白质开始消化的部位...
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