全国各地中考真题:黑龙江省绥化市2017年中考生物真题试题(含答案)
黑龙江省绥化市2017年初中学业考试生物试卷一、单项选择题(本题共25个小题,每小题2分,共50分)1.下列属于单细胞生物的是A.鲤鱼B.蝴蝶C.草履虫D.向日葵2.下列选项中,属于线形动物的是A.蚯蚓B.水蛭C.沙蚕D.蛔虫3.护士在给病人输液时,针刺入的血管是A.动脉B.静脉C.毛细血管D.以上都可以4.下列选项中,哪项不是种子萌发必要的环境条件A.足够的阳光B.适宜的温度C.—定的水分D.充足的空气5.有“绿色水库”、“地球之肺”之称的生态系统是A.草原生态系统B.湿地生态系统C.农田生态系统D.森林生态系统6.通过观察人的心脏结构模型,可以看到与主动脉相连的是A.左心房B.左心室C.右...
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