全国各地中考真题:湖北省黄冈市2015年中考生物真题试题(含答案)
湖北省黄冈市2015年中考生物真题试题一、选择题(每题只有一个选项符合题意,每题2分,共12分)1.运用所学的知识分析,你认为下列认识和做法正确的是A.低温保存食品的原理是把食品中的细菌和真菌杀死B.当体内有炎症时,血液中白细胞数目增多吞噬病菌,这属于特异性免疫C.与艾滋病患者的一般接触(如握手、共同进食等)不会感染艾滋病D.味道鲜美的蘑菇能进行光合作用,制造有机物2.右图是某生态系统食物网各成分的关系示意图,下列叙述不正确的是A.此草原中的所有生物及其生活环境共同构成生态系统B.草和鼠共有的结构层次是“细胞→组织→器官→系统”C.鹰和蛇之间既是捕食关系,又是竞争关系D.该生态系统中,鹰的生命...
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