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1、2018 八年级生物结业试题姓名:班级:一、选择题(下列各题的四个选项中,只有一项最符合题意,每小题2 分,共40 分)1下列不属于生物对环境的影响的是()A蚯蚓改良土壤B森林净化空气C沙漠变绿洲D山顶上和山脚下植物的形态差别很大2若用同一显微镜观察同一标本4 次,每次仅调整目镜、物镜和细准焦螺旋和遮光器,结果得到下面亮度相同的各图。试问其中通光孔通光量最大的是()3如图是动、植物细胞的结构示意图,下列说法正确的是()A控制物质进出细胞B B是细胞的控制中心C主要存在于动物细胞D可把光能转变为化学能4.依据学习的有关生物学知识分析,下列关于分生组织存在的结构叙述正确的是()茎尖根尖芽中形成层皮
2、肤的表皮A.B.C.D.5(2017 襄阳)敏敏同学用普通光学显微镜观察人血的永久涂片,视野中观察到了清晰的红细胞,但没有发现白细胞,她再采用下列哪一项操作最有可能找到白细胞()A换用高倍物镜B换用凹面反光镜C移动永久涂片D调节细准焦螺旋6.与水生环境相比,陆地环境要复杂的多。一般来讲,陆生动物适应陆地生活的结构特点有()体表具有防止水分散失的结构有辅助呼吸的气囊有能在空气中呼吸的器官 有发达的感觉器官和神经系统有支持躯体和运动的器官体表被毛防寒 om A.B.C.D.7.下列关于人的生殖和发育的叙述中,正确的是()A受精作用发生在女性子宫里B睾丸和卵巢是产生生殖细胞和分泌性激素的器官C胎儿与
3、母体进行物质交换的器官是脐带D女性输卵管结扎后将不再产生月经8有关人体营养物质叙述正确的是()A糖类是备用的能源物质,缺乏维生素A 导致夜盲症B维生素 D 可促进小肠对钙、磷的吸收,儿童缺乏维生素D 导致骨质疏松症C蛋白质是最重要的供能物质,缺乏维生素B1 出现坏血病、抵抗力下降等D铁是合成甲状腺激素的原料,缺乏维生素C 出现神经炎、佝偻病9部分 PM2.5 颗粒能通过呼吸道和肺进入血液,危害人体健康。PM2.5 颗粒从进入鼻腔到肺部进入血液之前,经过的结构依次是()A鼻咽喉气管支气管肺泡B鼻喉咽气管肺泡C鼻喉咽支气管肺泡气管D鼻咽喉肺泡支气管气管10.下表是某学习小组测量的明明同学的胸围长度
4、,请问:明明同学的胸围差是()状 态第一次第二次第三次平静 吸 气 时 的 胸围82cm 82cm 83cm 平静 呼 气 时 的 胸围80cm 80cm 81cm 深吸气时的胸围90cm 90.5cm 91cm 深呼气时的胸围78cm 78cm 77.4cm A2cm B12.3cm C12.6cm D13.6cm 11若用五点取样法采集空气中的尘埃粒子,以下抽取样本的方法(深色表示取样的位置)正确的是()12如图是用显微镜观察到的人血涂片视野,关于其组成成分的表述不正确的是()A1是红细胞,能运输氧,3主要成分是水B2 是白细胞,对人体起防御和保护作用C大部分白细胞的寿命比红细胞长D4血小
5、板是最小的无核血细胞,有止血作用13.在生活中遇到外伤时,有时要输血。下面表格是输血关系表,其中正确的一项是()某人的血型可接受的血型可输给的血型A A A、AB、O A、O B B B、AB、O B、O C AB AB、O A、B、AB、O D O O A、B、AB、O 14.下列人体生命活动过程中,不属于排泄的是()文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B
6、10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 H
7、V4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3
8、X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8
9、ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q
10、7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文
11、档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO
12、1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8文档编码:CO1Y6O5B10T1 HV4J9Y3X10U8 ZZ4Z4Q7B5A8A粪便的排出,鼻腔流出鼻涕,气管排出痰液B无机盐、尿素经泌尿系统排出C汗液的排出D二氧化碳和少量水经呼吸系统排出15保护好眼和耳有利于青少年准确地获取信息,下列有关眼和耳的叙述不正确的是()A耳蜗内有听觉感受器,半规管能感受头部位置变化,与维持身体平衡有关B光线经过角膜、瞳孔、晶状体和玻璃体落在视网膜上,视觉是在视网膜上形成的C睫状肌含有平滑肌,可调节晶状体曲度D掏外耳道过深过猛有可能损坏鼓膜16处于青春期的青少年学生身高增长迅速。研究发现,
13、中学生在晚上10 时前入睡,且睡足9 个小时,更有利于身高增长。促进人体身高生长发育的激素有()垂体分泌的生长激素甲状腺分泌的甲状腺激素胰岛分泌的胰岛素前列腺分泌的黏液精囊腺分泌的黏液肾上腺分泌的肾上腺素ABCD17.西非塞拉利昂爆发埃博拉疫情,2015 年 2 月 17 日,我国第三批援塞医疗队接收了一位特殊的小患者,是一位聋哑儿童。大家给他起了一个很好听的名字“西塞”,就是西非塞拉利昂的意思。根据所学生物知识分析,下列叙述正确的是()医护人员在疫区穿着防护服,带着手套、护目镜是切断传播途径对埃博拉出血热患者进行输液是控制传染源埃博拉病毒是病原体,由遗传物质和蛋白质外壳组成把西塞安置在埃博拉
14、诊疗中心属于控制传染源对西塞的排泄物及污染物品均严格消毒是切断传播途径将埃博拉死者尸体立即深坑埋葬是控制传染源医护人员为民众注射埃博拉疫苗是保护易感人群ABCD18下列关于生物进化的历程和原因的叙述,不正确的是()A化石为研究生物进化提供最直接可靠的证据B生物通过遗传、变异和自然选择,不断进化C在地质年代较晚近的地层中不可能找到低等生物的化石D根据孔子鸟化石推测鸟类可能由爬行类进化而来19下列有关生物多样性的叙述中,不正确的是()A生物多样性是指生物种类的多样性B每种生物都是一个丰富的基因库C生物的种类越丰富,生态系统往往就越稳定D生态系统的多样性受到影响时,会影响生物种类的多样性和基因的多样
15、性202015 年 4 月 25 日我国西藏和尼泊尔都发生比较强烈的地震,造成部分人员伤亡,急需救援治疗。根据所学急救知识,你认为下列叙述正确的是()拨打 120 时,应说出自己的姓名,准确的住址,患者的主要症状文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1
16、ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档
17、编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T
18、7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R
19、1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9
20、文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D
21、4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9胸外心脏按压时,按压速度15 次/分钟,按压深度不大
22、于2 厘米心肺复苏的顺序是“胸外按压开放气道人工呼吸”进行心肺复苏时,按压与吹气的比例是15:2 内出血是指体内器官的出血毛细血管出血时可用创可贴止血大动脉出血时要先拨打119紧急呼救,同时用手指、止血带、绷带压迫止血止血带止血时间最长不超过30 分钟ABCD二、非选择题(每空2 分,共 60 分)1美国一位土壤学家曾在四千年的农民一书中指出,中国能够维持土壤肥力几千年,使它们没有被所供养的亿万民众所耗竭,其诀窍在于中国农民一直实施的是一种“无废弃物农业”(如图 1 所示)。(1)在“无废弃物农业”中,无机盐可以在生态系统反复循环。植物生活需要的无机盐主要来自土壤,需要量最多的无机盐是_ _。
23、(2)牲畜和人作为消费者,直接或间接地以植物为食,将摄取的有机物分解,产生二氧化碳、水、尿素等物质,可见,动物在自然界具有_的作用。(3)夏季,农民经常在农田里除草、灭虫。农田里的草和玉米相互影响,它们的关系表现为 _。灭掉的虫中既有蝗虫,也有蚊蝇。蝗虫、蚊蝇它们的发育过程分别是。(4)玉米是一种重要的粮食作物,也是遗传研究的良好材料。通常是雌雄同株,顶生雄花序,侧生雌花序。图2 所示,一株由紫色玉米粒发育成的植株A,与一株由黄色玉米粒发育成的植株B 相邻种植,发现A 植株玉米穗上的籽粒均为紫色,而 B 植株玉米穗上籽粒有黄色和紫色两种。已知玉米的紫色和黄色这对相对性状由基因 Y 和 y 控制
24、。请分析回答:题号1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 答案文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1
25、F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:
26、CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 H
27、R5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 Z
28、N1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编
29、码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7
30、 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9如图 2 所示,玉米的花粉既可以落到同一植株的柱头上(如传粉1),也可以落在其他植株的柱头上(如传粉 2),玉米的这种传粉方式属于。分析可知
31、,植株 B上所结紫色籽粒、黄色籽粒的基因组成分别是。(5)土壤中的 _ 可以把动植物遗体和动物粪便分解成二氧化碳、水和无机盐等归还到大自然中,再被绿色植物吸收和利用。2豆制品因含丰富的人体必需氨基酸和维生素等有益成分,越来越受到人们的关注如图 3 是大豆不同生长发育时期的示意图,请据图回答问题:(1)从 E 所示的豆荚中可以看到有5 粒种子,可以推测D 中的胚珠的数目至少有个。(2)AB 表示种子的萌发过程,其中最先突破的结构是 。(3)C 中把土壤中的水分运输到根、茎、叶的结构是。3如图 4 为叶片叶肉细胞内进行的某些生理活动示意图,其中、为相关气体,A 为细胞内相关结构。请分析回答:(1)
32、图 4 叶肉细胞的叶绿体中进行的生理活动是,代表的气体为,A 代表的细胞结构为。(2)如果在相对封闭的温室中,某植物的叶片受到阳光的照射而生长,一昼夜后测定植物体内有机物积累量。结果如图5 所示,其中正确的是。文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 Z
33、N1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编
34、码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7
35、 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1
36、 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文
37、档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4
38、T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9(3)某生物小组的同学用植物的叶片进行了相关的探究实验
39、,如图6 所示。图 6 中甲所示的是绿叶在光下制造有机物实验中的一个装置,该装置在本实验中的作用是。图 6 中乙实验装置要探究的问题是:叶片正面和背面的气孔是否一样多?选取某植物体上甲、乙、丙、丁四片大小、重量相同的叶片,作如下处理,(凡士林有透光不透气的作用)然后将植物置于光下通风处,几小时后,叶片内有机物含量从多到少的顺序。4根据如图 7 消化系统模式图,分析回答下列问题:(1)患胆囊炎的病人,医生提醒他少吃油腻的食物,否则影响消化,其主要原因是 分泌的消化液要经胆囊输送给小肠,从而促进脂肪的消化。4分泌的消化液通过进入小肠。(2)医生从某病人的消化道内取出一些内容物,经化验有:维生素、水
40、、氨基酸,少量的麦芽糖、无机盐、脂肪酸、纤维素。这些物质最有可能的是从 取出的。5今年,柴静制作的苍穹之下引起了公众对环境高度关注。雾霾(m i)天文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G
41、10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F
42、3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:C
43、P2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR
44、5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN
45、1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码
46、:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9气是早上或夜间相对湿度较大的时候形成雾,在白天气温上升,湿度下降的时候,逐渐转化成霾(空气中的灰尘、硫酸、硝酸、有机
47、化合物等微粒悬浮而形成的浑浊现象)。大气中直径小于或等于2.5 微米的颗粒物称为PM2.5,是可直接入肺的细小颗粒物 PM2.5 是形成“雾霾”的主要原因,富含大量有毒,有害物质,且在大气中停留时间长,输送距离远。PM2.5 的主要来源是日常发电、工业生产、汽车尾气排放等过程中排放的残留物。请回答下列问题:(1)在图 B 表示的生理活动中,人体的膈肌处于状态。(2)图 C、D 分别表示某人不同状态下的呼吸频率,与D 状态相比,C 状态的呼吸频率比较(填快或慢)。(3)现在空气污染现象比较普遍,出现雾霾天气时要尽量用鼻呼吸,鼻腔对进入的空气进行了哪些方面的处理。(4)图 E 所示,本次呼吸中,吸
48、气结束的那一瞬间是坐标中的点。6下面图甲为心脏结构图,图乙为肾脏局部结构放大示意图,其中图乙中 a、b、c 表示结构。图丙为人体部分生理过程示意简图,其中图丙中a、b、c 表示不同物质,d、e表示不同液体。请据图回答问题:(1)图甲中,在心房、心室舒张时,其中与之间的血液流动方向是(填数字到或到)。文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5
49、R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H
50、9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2D4T7 HR5G10Q4X5R1 ZN1F3L8V6H9文档编码:CP2A1X2