全国各地中考真题:江苏省连云港市2018年中考生物真题试题(含解析)
江苏省连云港市2018年中考生物真题试题一、选择题1.下列关于人体消化系统的叙述,正确的是( )A.由消化道和消化腺两部分组成B.食物无需经过消化即可被吸收C.胃是吸收营养物质的主要部位D.肠液中只含有消化蛋白质的酶2.关于科学探究和普通光学显微镜使用的叙述,正确的是()A.科学探究必须独立探索,不能与他人合作 B.科学探究得出的结论必须与探究假设相符C.顺时针转动粗、细准焦螺旋可使镜简升降 D.由低倍物镜换高倍物镜时需要转动转换器3.如图表示生态系统各成分间的相互关系(甲、乙、丙表示三类生物成分)。下列叙述错误的是()A.甲表示生产者、乙...
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