全国各地中考真题:辽宁省沈阳市2018年中考生物真题试题(含解析)
辽宁省沈阳市2018年中考生物真题试题一、单项选择题1.下列属于生物的是( )A. 恐龙化石B. 电脑病毒C. 智能机器人D. 结核杆菌【答案】D【考点】生物的特征【解析】【解答】ABC.恐龙化石、电脑病毒、智能机器人都不具有生物的特征,不属于生物,ABC不符合题意;D.结核杆菌能生长和繁殖、能进行呼吸等,具有生物的特征,属于生物,D符合题意。故答案为:D【分析】生物与非生物的根本区别:在于有无生命,其判断依据是生物的基本特征。生物具有以下特征:①生物的生活需要营养。②生物能够进行呼吸。③生物能排出体内产生的废物。④生物能够对外界刺激作出反应。⑤生物具有生长发育、繁殖与遗传变异现象。⑥除病...
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