2015人教版七年级生物下册期中试卷及答案.pdf

七年级期中生物测试卷（时间 60 分钟满分 100 分）单位：蟠龙一中姓名：刘珠礼题号一二三四五总分得分一、填空题（每小题3 分，共 30分）1、人的和都依赖于生物圈的资源和环境，人类的活动更和着生物圈。2、进化论的建立者是；现代类人猿和人类的共同祖先是，在距今 1200 万年前，森林古猿广布于地区，尤其是。3、人类进化论经历、和三个重要阶段。4、睾丸产生的精子和卵巢产生的卵细胞都是。精子和卵细胞结合形成。5、进入表春期后，男孩出现，女孩会来，这都是。6、我国计划生育的具体要求是、。7、儿童、青少年以及伤病员需要多吃一些、。8、消化系统是由和组成的，食物在消化道内经过消化，最终分解成，等能被人体吸收的营养物质。9、人体的呼吸系统是由和组成的，呼吸系统具有适合与外界进行的结构和功能。新课 标 第网10、1900 年，奥地利科学家兰德斯坦纳经过研究，他将人的血液分为型、_型、_型和_型四种类型。二、选择题（每小题2 分，共 20分）1、一般认为，人类在地球上出现的标志是（）A、直立行走B 使用和制造工具C 产生语言D 大脑发达2、精了与卵细胞结合的过程叫（）A 分裂B 怀孕C 受精D 分娩3、我国古代有“亲上加亲，亲缘不断“的陋习，它违反了计划生育哪条具体要求（）A 晚婚B 晚育C 少生D 优生4、某同学近年来皮肤干燥，夜晚看东西模糊、眼涩，他应该补充（）A 维生素 A B 维生素 B C 维生素 C D 维生素 D 5、下列等量物质中，含糖类较多的是（）A 大肉B 面粉C 豆子D 牛奶6、绿色食品指的是（）A 新鲜的食品B 无污染、安全、优质食品C 绿颜色的食品D 营养价值很高的食品7、在呼吸道的组成中，具有发声作用的是（）文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6A 鼻B 咽C 喉D 肺8、常用作监测大气污染程度的指示植物是（）A 苔藓植物B 藻类植物C 蕨类植物D 裸子植物9、贫血与下列哪项有关（）红细胞数量过少白细胞数量过少血小板数量过少血红蛋白数量过少A B C D 10、健康的成人若一次献血200300 毫升，其结果是（）A 三个朋恢复正常；B 造成终生的损失；C 对人体毫无影响；D 一个月可以恢复三、判断题（每小题1 分，共 10分）1、在距今 300 万年前的古人类骨骼化石“露面”出现在亚洲。（）2、人的胚胎发育开始于卵细胞的产生。（）3、消化食物和吸收营养物质的主要场所是小肠。（）4、呼吸系统疾病引起死亡率逐年上升的原因是空气质量恶化。（）5、人血液的颜色是红的，这是因为血液中含有较多的红细胞。（）6、动脉中流动的是动脉血，静脉中流动的是静脉血。（）7、维生素、无机盐在人体内含量都不多，但作用都很大。（）8、人口越多，产生的社会财富会越多。（）9、呼吸道对空气的处理能力是巨大的。（）10、血细胞包括红细胞和白细胞。（）文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6四、问答题（每小题8 分，共 24分）1、男孩和女孩在青春期的身体变化有哪些？2、若小王是 B 型血，他可以给哪些血型的人输血呢？他可以接受哪些血型的人给他输血呢？3、动脉血经过什么途径，以什么方式变成静脉血？五、问题探讨（每小题8 分，共 16 分）1、人体在平静呼吸时，肋骨间肌肉，膈肌、肋骨、胸廓、肺内气压是如何变化的？填表说明。肋骨间肌肉膈肌肋骨胸廓肺内气压吸气呼气2、在对某校七年级一个班学生早餐情况抽样调查时，有吃包子、喝粥、咸菜；吃面包加牛奶；只吃方便面；只吃面包；不吃。请你分析以上情况哪些合格，哪些不合格？为什么？文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6附 I：试题编写简要说明七年级生物下册共有七章，前半学期学至第四章。试题主要围绕学生了解人的由来，人的繁衍和发育，人体的结构和生理功能等方面内容设计而展开。试题主要突出知识性、教育性、生活性、实践性。力求使学生了解知识内容的同时，认识人在生物圈中的地位和作用，认识人的发育、生长的过程，认识人个体的生理结构和功能，促进学生科学的认识人的生理知识，人体的健康，人与环境自然的关系，促进少年儿童健康成长。试题共分五个题型，35 道小题，难度系数约为0.7 左右，容易题：较易题：中档题：较难题4：3：2：1。突出教育性的试题有：一、5、6、7；二、3、4、6、8；三、4、8、9，主要突出国家的计划生育要求，环境保护，生理健康等方面，在生活实践，问题探讨中也涉及一些方面，目的是在培养学生运用知识的同时，形成正确的人生观、价值观和良好的生活习惯，培养学生热爱生活，关爱他人的情感。如二.10，四、2；五、2 等。附 II：试题参考答案文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6一、1、生理活动生长发育影响改变 2、达尔文森林古猿非 亚欧非洲的热带丛林3、森林古猿直立人现代人 4、生殖细胞受精卵 5、遗精月经正常的生理现象 6、晚婚晚育少生 优生 7、奶蛋鱼肉 8、消化道消化腺葡萄糖氨基酸 9、呼吸道肺气体交换 10、A B AB C 二、1、A 2、C 3、D 4、A 5、B 6、B 7、C 8、A 9、D 10、D 三、1、2、3、4、5、6、7、8、9、10、四、1、（1）男孩和女孩开始身高突增的年龄有差别，一般的女孩早于男孩；（2）男孩和女孩的身高依次明显增加，体重也依次明显增加；（3）青春期间，男孩还会出现喉结突出，声音变粗，长出胡须，长出阴毛和腋毛等身体变化；女孩还会出现声音变细，脂肪积累增加，臀部变圆，乳房增大，出现阴毛和腋毛等身体变化。2、答：B 型血可输给 B 型、AB 型，可接受 B 型、O 型。3、答：在人体循环中，动脉血经全身各处的毛细血管叶，组织细胞产生的二氧化碳进入血液、红细胞中的血蛋白与氧分离，氧供细胞利用，动脉血就变成了含氧较少，颜色暗红的静脉血。五、1、收缩收缩向上向外运动扩张减小舒张舒张向下向内运动缩小增大文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L62、答：是合理的，是不合理的，按照平衡膳食，避免营养不全造成的营养不良，影响青少年的正常发育，所以早餐中应有糖类，脂类，还应有水和无机盐等。文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6文档编码:CD2H8L6C8L8 HS2C8L7C8D10 ZX7X10C5I9L6