生物7年级上册复习资料

生物7年级 上册 三年级上册必备古诗语文八年级上册教案下载人教社三年级上册数学 pdf四年级上册口算下载三年级数学教材上册pdf 复习资料 生物7年级上 1、生物的共同特征: ?生物的生活需要营养?生物能进行呼吸?生物能排出身体内产生的废物?生物能对外界刺激作出反应?生物能生长和繁殖 2、生物的分类:(1)动物～植物～其他生物(2)陆生生物～水生生物(3)作物～家禽～家畜～宠物 3、生物圈的范围:厚度为20千米左右的圈层～包括大气圈底部、水圈的大部和岩石圈的表面。 4、生物圈为生物的生存提供的基本条件:动物、植物等所有生物生存所需要的基本条件是一样的～它们都需要营养物质、阳光、空气和水～还有适宜的温度和一定的生存空间 5、非生物因素对生物的影响:生物的生活都会受到非生物因素的影响。当环境中一个或几个因素发生急剧变化时～就会影响生物的生活～甚至导致生物死亡。 6、生物因素对生物的影响:捕食关系～竞争关系～合作关系 生态系统:在一定地狱内～生物与环境所形成的统一的整体叫做生态系统。其中有生产者,植物,～消费者,动物,～分解者,微生物, 7、食物链和食物网:生产者和消费者之间的关系～主要是吃与被吃的关系～这样就形成了食物链。一个生态系统中～往往有很多条食物链～他们彼此交错连接～形成了食物网。生态系统中的物质和能量就是沿着食物链和食物网流动的。 8、生物系统具有一定的自动调节能力 9、多种多样的生态系统:森林生态系统、草原生态系统、海洋生态系统、淡水生态系统、湿地生态系统、农田生态系统、城市生态系统。 10、生物圈是一个统一的整体:每一个生态系统都与周围的其他生态系统相关联:从非生物因素来说～从地狱关系来说～从生态系统中的生物来说。 11、练习使用显微镜:先调粗准焦螺旋～后调细准焦螺旋。 12、观察植物细胞:常用的玻片标本有:切片——用从生物体上切取的薄片制成,涂片——13、用液体的生物材料经过涂抹制成,装片——用从生物体上撕下或调取少量的材料制成。 the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 14、细胞壁:是最外层一层透明的薄壁～起保护和支撑细胞的作用。 细胞膜:紧贴细胞壁内侧的一层膜～非常薄。 细胞核:植物细胞有一个近似球形。 细胞质:细胞膜以内～细胞核以外的结构。 细胞质里有液泡～液泡内的细胞液中溶解着多中物质～在植物体绿 色部分的细胞中～细胞质内还有叶绿体。,动物细胞没有叶绿体～ 细胞壁～液泡, 15、植物细胞模式图 7上P45 动物细胞模式图 7上P48 16、细胞中有哪些物质:许多物质都是由分子组成的。 无机物:分子比较小～一般不含碳～如水、无机盐、氧等。 有机物:分子比较大～一般含有碳～如糖类、脂类、蛋白质和核酸。 17、细胞在生活中会产生一些废物～如尿素、二氧化碳等。 18、细胞膜控制物质的进出 细胞质中有能量转换器 19、叶绿体将光能转变成化学能～储存在它所制造的有机物中。 20、线粒体将细胞中的一些有机物当作燃料～使这些有机物与氧相结合～经过复杂的过程～转变成二氧化碳和水～同时将有机物中的化学能释放出来～供细胞使用。 21、细胞核中有储存遗传信息的物质——DNA～遗传信息的载体是一种中～它的结构像一个螺旋形的梯子。DNA分子很长～它可以分成许多个片段～每一个片段具有特定的遗传信息～这些片段就叫做基因 22、DNA和蛋白质组成染色体。 23、细胞通过分裂产成新细胞:生物体由小长大～是与细胞的生长和分裂分不开的。但细胞不能无限制的长大～一部分细胞长到一定的大小～就会进行分裂。 24、细胞分裂过程与染色体变化7上P59 25、细胞分化形成组织:上皮组织:保护分泌等功能 肌肉组织:收缩舒张功能 神经组织:产生和传导兴奋 26、结缔组织:支持、连接、保护、营养等功能7上P62 27、组织进一步形成器官 器官构成系统和人体 28、人体内的八大系统:运动系统、消化系统、呼吸系统、循环系统、泌尿系统、神经系统、内分泌系统、生殖系统。这八大系统协调配合、the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 使人体内各种复杂的生命活动能够正常进行。 29、植物体的结构层次:受精卵经过细胞分裂、分化～形成组织、器官～进而形成植物体。 30绿色开花植物有六大器官:根、茎、叶,营养,花、果实、种子,发育, 31、植物的几种主要组织:分生组织、保护组织、营养组织、输导组织等7上P67 32、几种单细胞生物:酵母菌～草履虫～衣藻～眼虫～变形虫～草履虫。 33、草履虫结构示意图～单细胞生物与人类的关系 34、病毒的种类:病毒都没有细胞结构～而且比细胞小的多～只能用纳米来表示他们的大小。 35、病毒不能独立生活～必须生活在其他生物的细胞内。根据他们寄生的细胞的不同～可以将病毒分为三大类:动物病毒～植物病毒～细菌病毒。 36、病毒的结构和生活:病毒的结构很简单～由蛋白质外壳和内部的遗传物质组成～没有细胞结构。 37、病毒与人类的关系: 38、生物圈中的绿色植物:藻类植物,最低等,～苔藓植物～蕨类植物,最高等,～种子植物,裸子植物和被子植物,。 39、植物细胞和动物细胞的基本结构～都包括,A, A.细胞膜、细胞质、细胞核 B.细胞壁、叶绿体、细胞核 C.细胞膜、液泡、细胞核 D.细胞壁、细胞质、细胞核 40、把大小两种的草履虫分开培养～它们都能正常地生长～可是把两者放在一起培养的时候～经过16天～其中的一种全部死亡～而另一种却仍然生长正常～这种现象属于: A.合作 B.捕食 C.竞争 D.寄生 41、小明在显微镜的视野中看到一个“P”字～请问透明纸上写的是什么字,,c, A.p B.q C.d D.b the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 填空题: 1(生物学是研究,生命现象,和,生命活动规律,的科学。 2(生物的特征:动物吃食物～植物光合作用制造有机物:,生物的生活需要营养,;鲸呼气时产生雾状水柱～植物通过气孔吸收氧气～排出二氧化碳:,生物能进行呼吸,;人出汗、呼出气体和排尿～植物落叶:,生物能排出体内产生的废物,;动物追猎物～含差草叶片合拢:,生物能对外界刺激作出反应,;植物产生种子～动物产卵、产崽:,生物能生长和繁殖,,除,病毒,外～生物都是由,细胞,构成的。 3(有时因为调查的范围很大～不可能逐个调查～就要选取一部分调查对象作为,样本,。 4(按照,形态结构,特点～将生物归为,植物、动物,和其他生物三大类,也可以按照,生活环境,将生物划分为,陆生生物和水生生物,等,还可以按照用,用途,将生物分为作物、家禽、家畜宠物等。 5(地球上,适合生物生存的地方,其实只是它表面的一薄层～科学家把这一薄层叫做,生物圈,。 6(如果以,海平面,为 标准 excel标准偏差excel标准偏差函数exl标准差函数国标检验抽样标准表免费下载红头文件格式标准下载 来划分～生物圈向上可达约,10千米,的高度～向下可深入,10千米,左右的深处。这个厚度为20千米左右的圈层～包括,大气圈的底部,、,水圈的大部,和,岩石圈的表面,。 7(大气圈是由,多种气体,组成的～如氮气、氧气、二氧化碳等。 8(水圈包括地球上,全部的海洋和江河湖泊,。 9(,岩石圈,是地球表层的固体部分。它的表面大多覆盖着土壤～是一切陆生生物的立足点。 10( 动物植物等所有生物生存所需要的基本条件是一样的～它们都需要,营养物质,、,阳光,、,空气和水,～还有,适宜的温度,和,一定the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 的生存空间,。动物需要的营养物质是,食物,～植物需要的营养物质是,无机盐,。 11(影响生物生活的环境因素可以分为两类～一类是,光、温度、水、空气等,非生物因素～另一类是生物因素～生物因素是指影响某种生物生活的其他生物～如,草、细菌等,都可能是生物因素。 12(探究的一般过程是从,发现问题、提出问题,开始的。探究的一般过程包括,提出问题、作出假设、制定 计划 项目进度计划表范例计划下载计划下载计划下载课程教学计划下载 、实施计划、得出结论、表达和交流,。 13(做完实验后～要把小动物,放回适合它们生存的自然环境中,。 14(在光对鼠妇生活的影响探究实验中～使这两种环境中除,光照,外～湿度、温度等其他条件都相同。也就是说～只有光照是不同的～光照就是这个实验中的,变量,。 15(在研究一种条件对研究对象的影响时～所进行的除这种条件不同以外～其他条件都相同的实验～叫做,对照实验,。例如:探究“光对鼠妇生活的影响”实验中～设计,阴暗,、,明亮,两种环境～其他条件都相同～就是对照实验。 16(生物与生物之间～最常见的是,捕食,关系～如七星瓢虫捕食蚜虫。还有,竞争,关系～如稻田里的水稻和杂草,,合作,关系如蚂蚁、蜜蜂等昆虫组成的大家庭。 17(生物与环境的关系:生物与环境,相互依存～相互影响,。 18(生物对环境的,适应,如:骆驼尿液少～体温升到46?C时才出汗,沙漠中的植物大多根系发达～叶片退化成刺等。生物对环境的,影响,如:蚯蚓改良土壤～植物保持水土等。 19(在一定地域内～,生物,与,环境,所形成的统一的整体叫做,生the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 态系统,。 20(,植物,能够,通过光合作用制造有机物,～是生态系统中的,生产者,,,动物,不能自己制造,有机物,～它们直接或间接地以植物为食～因而叫做,消费者,,,细菌,和,真菌,能将,有机物,分解成简单的,无机物,～是生态系统中的,分解者,。生态系统的组成成分中除了有生物外～还有,非生物部分,～如,阳光,、,空气,和,水,等。 21(生产者和消费者之间的关系～主要是,吃与被吃,的关系～这样就形成了,食物链,。 22(一个生态系统中～往往有很多条食物链～它们彼此交错连接～形成了,食物网,。 23(生态系统中的,物质,和,能量,就是沿着,食物链,和,食物网,流动的。 24(在生态系统中～各种生物的数量虽然在不断地变化着～但是在一般情况下～生态系统中各种生物的数量和所占的比例是相对稳定的。这说明生态系统具有一定的自动调节能力。但这种调节能力是有一定限度的。如果外界干扰超过了这个限度～生态系统就会遭到破坏。 25(当人类排放的有毒物质进入生态系统～有毒物质会通过,食物链,不断积累～叫做,生物富集,。会危害生态系统中的许多生物～最终威胁人类自身。食物链中营养级别,越高,生物～体内有毒物质积累越多。 26(生物圈中的生态系统有,森林生态系统,、,草原生态系统,、,海洋生态系统,、,淡水生态系统,、,湿地生态系统,、,农田生态系统,、,城市生态系统,～等。 the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 27(,生物圈,是一个统一的整体～是地球上最大的生态系统～是所有生物的共同家园。 28、细胞膜作用,控制物质进出使得细胞拥有一个比较稳定内部环境,。 29(细胞质中有,叶绿体将光能转变成化学能～储存在它所制造的有机物中,～,线粒体将细胞中的有机物当作燃料～使有机物与氧结合转变成二氧化碳和水释放能量,为细胞提供动力。 30、细胞的控制中心是,细胞核,。遗传信息在,细胞核,中～它的载体是,DNA,。DNA主要存在于,细胞核,中～它的结构像一个,螺旋形,的梯子。 31 、DNA分子很长～每一个片段具有特定的,遗传信息,这些片段就叫,基因,。 32、染色体由,DNA和蛋白质,组成。每种生物细胞内染色体数量是,一定的,。人有,23对,染色体～有的人细胞中多一条患上,遗传病,。 33、生物体的长大与细胞的,生长和分裂,有关。分裂:,细胞核,先由一个分裂两个～,细胞质,分成两份～每份各有一个,细胞核,～在原来的细胞中央形成新的,细胞膜,～植物细胞还形成新的,细胞壁,。细胞核分裂时～,染色体,变化最明显。染色体的数量在细胞分裂时已经,加倍,～在细胞分裂过程中～染色体分成,形态和数目相同,的两份～两个新细胞与原细胞的染色体,形态和数目都相同,～新细胞和原细胞的,遗传物质,是一样的。 34、多细胞动物和人体的生长发育是从一个细胞开始的～这个细胞就是,受精卵,。 35、人体和动物体的四种基本组织:上皮组织由,上皮细胞,构成～the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 具有,保护、分泌,等功能。肌肉组织主要由,肌细胞,构成～具有,收缩、舒张,功能。神经组织主要由,神经细胞,构成～能够,产生和传导兴奋,。结缔组织的种类很多～,骨组织、血液,等都是结缔组织。结缔组织有,支持、连接、保护、营养,等功能。 36、,心脏、肝、肺、肾、眼、耳、甲状腺、唾液腺、皮肤,是器官。如:心脏主要是由,肌肉组织,构成～还有,结缔、神经,组织。胃壁主要由,肌肉组织,构成～还有,上皮、神经、结缔,组织。 37、人体及动物结构层次:,细胞?组织?器官?系统?动物体,。植物体结构层次:,细胞?组织?器官?植物体, 38、植物体的四种基本组织:根茎叶表面的表皮细胞是,保护组织,。具有,保护内部结构,的功能。贯穿于根茎叶中的导管属于,输导组织,。能够运输水和无机盐。茎尖和根尖的分生区属于,分生组织,～能分裂产生新细胞。叶肉、果肉属于,营养组织,～有储藏营养物质的功能。 39、身体只有一个细胞称,单细胞生物,如:酵母菌、草履虫、衣藻、眼虫、变形虫。其中草履虫结构、功能示意图见书70页。草履虫的主要食物是,细菌,～对污水有,净化作用,。48、,细胞,是生物体,结构和功能,的基本,单位,。病毒没有,细胞,结构～由,蛋白质,外壳和内部的,遗传物质,组成。病毒不能独立生活～只能,寄生在活细胞里,,寄生在人和动物细胞里的叫,动物病毒,～如流感病毒,寄生在植物细胞里的叫,植物病毒,～如烟草花叶病毒,专门寄生在细菌细胞内的细菌病毒～也叫,噬菌体,～如大肠杆菌噬菌体。 40(病毒对人类既有,害处也有益处,。 41(藻类植物大多生活在水中～有单细胞的如:,衣藻,～有多细胞的the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 如:,水绵、海带,,,没有根茎叶,～全身都能吸收,水和无机,～都能进行,光合作用,。 42(苔藓植物大多生活在,潮湿,的陆地环境中～一般具有,茎和叶～无根,。,没有输导组织～长得矮小,。如葫芦藓、地钱等。,苔藓植物,的叶只有一层细胞～可以做,监测空气污染程度的指示植物,。 43(蕨类植物生活在,潮湿,的环境中～,有根茎叶～有输导组织,～长得高大。如,卷柏、贯众、胎生狗脊、满江红,等。,煤和石油,也是古代高大的,蕨类植物,埋藏在地层中形成的。 44(种子的结构包括种,皮和胚,～种皮保护细嫩的胚,,胚,是新植物的幼体～包括,胚芽、胚轴、胚根和子叶,。菜豆种子,子叶两片,～没有胚乳,玉米种子,子叶一片,～,有胚乳,。子叶和胚乳里含有丰富的,营养物质,。种子植物比苔藓和蕨类植物更高等～能产生,种子,是一个重要原因。 45(种子植物包括,裸子植物和被子植物,。,松、杉、侧柏、银杏和苏铁,种子裸露～外面没有保护它的果皮是裸子植物。其它常见的绿色开花植物种子外面有果皮包被～形成果实～都是被子植物。 46(种子萌发所需外部条件,适宜的温度、一定的水分和充足的空气,。自身条件,干瘪的种子或胚被昆虫咬坏的种子不能萌发,,储存时间过长的种子～胚已经死亡,也不能萌发,,正在休眠的种子,也是不能萌发的。 47(种子萌发时～首先要,吸收水分,。子叶或胚乳中的,营养物质,转运给,胚根、胚芽、胚轴,。随后～,胚根,发育～突破种皮～形成根。,胚轴,伸长～胚芽发育成,茎和叶,。 48(根生长最快的部位是,伸长区,。根的生长一方面要靠,分生区,the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 细胞的分裂增加细胞的数量,另一方面要靠,伸长区,细胞体积的增大。 49(芽中也有,分生组织,。芽在发育时～分生组织的细胞分裂和分化～形成新的枝条～它是由细嫩的茎、叶和芽组成～枝条上的,芽,又能发育成新的枝条。 50(植物生长需要的营养物质有,水、无机盐和有机物,根从土壤中吸收,水和无机盐,,绿叶通过,光合作用,制造有机物。植物的生长需要量最多的是含,氮、磷、钾,的无机盐。 51(一朵花的主要部分是,雄蕊和雌蕊,～雄蕊由,花药和花丝,组成～花药中有花粉,雌蕊由,柱头、花柱和子房,组成～子房里有胚珠。 52(水是植物体的重要组成成分。即使是晒干的种子～里面仍然含有,少量的水,。 the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith 使用显微镜 一、取镜和安放: 1、右手握镜臂～左手托住镜座。 2、把显微镜放在实验台距边缘,7厘米,左右处～略偏,左,。安装好,目镜,和,物镜,。 二、对光: 3、转动,转换器,～使,低倍物镜,对准通光孔,物镜前端与载物台要保持2厘米距离,。 4。把一个,较大的,光圈对准通光孔。一只眼注视,目镜内,～另一只眼,睁开,。转动,反光镜,～使光线通过,通光孔,反射到镜筒内。通过目镜可以看到,白亮的,圆形视野。 三、观察: 5、把所要观察的玻片标本放在载物台上～用压片夹压住～玻片标本要正对,通光孔的中心,。6、转动,粗准焦螺旋,～使镜筒,缓缓下降,～直到,物镜接近玻片标本,为止。,此时眼睛一定要看着物镜。, 7、一只眼向,目镜,内看～同时,逆时针,方向转动,粗准焦螺旋,～使镜筒缓缓上升直到,看清物像,为止。再略微转动,细准焦螺旋,～使看到的物像更加清晰。 the Communist Party of China, and a deep understanding of the party's nature, purpose, guiding principles, goals, organization, good style, deeply understand the conditions, rights and obligations of members, code of conduct, bearing in mind that oath, clear Members of the standards and conditions, enhance respect, abide by the Constitution, maintaining the party Constitution consciousness of the party Constitution. Read through the familiar with the code of self-discipline of the CPC, the CPC disciplinary regulations, members of the Communist Party of China party regulations on rights protection Ordinance, mastering self-discipline standards of "four must", the "four upholdings", mastering various types of disciplinary offence and punishment provisions and clear what you can do, what they can't do. 2. speech understanding learning series XI series the basic spirit of an important speech by General Secretary, learn to understand the Party Central Committee on governance of the new concept of basic elements of new ideas and new strategies, master and strengthen the party spirit, fulfills the purpose ideas, moral character, conservation related to the basic requirements. Learning of the XI series read the important speech by General Secretary (2016), XI Henan work research guide, General Secretary's important speech. Learning series speech, main understand master following aspects content: (1) ideal faith