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nurse的复数是什么?

2023-08-21 07:18:09
TAG: 复数 urs rs se ur
共5条回复
okok云

fields,nurses,schools,families

北有云溪

nurses

马老四

nurses

LuckySXyd

nurses

皮皮

nurses

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man nurse复数men nurses

2023-08-12 05:55:454

nurse怎么用英语来读?

内丝希望帮助你
2023-08-12 05:55:552

nurse的复数形式

nurses。nurse这个单词由于是以“-e”结尾的,因此在变形为复数形式时,可直接在nurse这个单词后加“-s”,nurse的复数形式是nurses。英语复数形势的规律在一般情况下,英语名词的词尾要直接加s。
2023-08-12 05:56:341

we are ___(nurse).

we are nurses (nurse).我们都是护士
2023-08-12 05:57:022

是They are (woman) nurses.对呢?还是They are (women) nurses.对呢?为什么呢?

是 They are [women]对 因为 are 是复数所以 womon 应该用复数变为 women
2023-08-12 05:57:314

翻译一句话

护士的趋势(伤口)受伤,
2023-08-12 05:57:414

有关护士节的英文名言

I walk through the door with pride 我带着骄傲走进了门and who"s life will I save tonight寻找着即将被我拯救的人someone is waiting for me 他们正等着我someone is alive because of my duty因我救死扶伤的天职而活
2023-08-12 05:58:034

赞美护士的英语短文

Nurses are the backbone of the healthcare system. They are the ones who provide care and comfort to patients when they need it the most. Nurses are the unsung heroes of the medical profession, and they deserve all the praise and recognition for their hard work and dedication.护士是医疗系统的支柱。当病人最需要时,他们是提供护理和安慰的人。护士是医疗行业中不为人知的英雄,他们应该因他们的辛勤工作和奉献而受到所有赞扬和认可。Nurses work long hours, often under stressful conditions, to ensure that patients receive the best possible care. They are responsible for monitoring patients" vital signs, administering medications, and providing emotional support to patients and their families. Nurses are also the ones who advocate for their patients, ensuring that they receive the care and treatment they need.护士工作时间长,常常在压力下工作,以确保病人得到最好的护理。他们负责监测病人的生命体征,给病人服药,并为病人及其家人提供情感支持。护士也是为病人发声的人,确保他们得到他们需要的护理和治疗。Nurses are also the ones who comfort patients during their most vulnerable moments. They hold their hands, listen to their concerns, and provide a shoulder to cry on. Nurses are the ones who make a difference in the lives of their patients, and they do it with compassion and kindness.护士也是在病人最脆弱的时刻安慰他们的人。他们握住他们的手,倾听他们的关切,并提供一个可以哭泣的肩膀。护士是在病人的生活中产生巨大影响的人,他们用同情和善良来做到这一点。Nurses are the heart and soul of the healthcare system. They are the ones who make a difference in the lives of their patients, and they do it with grace and humility. Nurses are the unsung heroes of the medical profession, and they deserve all the praise and recognition for their hard work and dedication.护士是医疗系统的心脏和灵魂。他们是在病人的生活中产生巨大影响的人,他们用优雅和谦卑来做到这一点。护士是医疗行业中不为人知的英雄,他们应该因他们的辛勤工作和奉献而受到所有赞扬和认可。
2023-08-12 05:58:101

护士节英语怎么说

问题一:护士节用英语怎么说? Nurses" Day或者Nurse Day。 问题二:NBA中的shooting guard和point guard 是什么意思?有什么区别? shooting guard是得分后卫,point guard是组织后卫。 另外,center是中锋, *** all forward是小前锋,power forward是大前锋。这都是篮球上的专有名词。 如果非要从字面上分析,shoot在篮球中是投篮的意思,所以负责主要投篮的后卫,肯定是得分后卫。而point有关键点的意思,我们常说组织后卫是球队的灵魂,因此也就是关键的点了:)不知道这么解释你是否满意。 其实,现在篮球场上组织和得分后卫分得并不明绩。越来越多的组织后卫得分和投篮都很好也很多,比如艾佛森今年报的就是组织后卫的位置,而奇才的休斯和阿里纳斯报的都是组织后卫。得分后卫其实以前并不很受重视,但是自乔丹以来,得分后卫已经成为真正决定胜负的关键。很有天赋的人现在都愿意来打得分后卫的位置。但是往往在组织不力的时候,他们也回来控球,比如今年湖人的科比,还有火箭的麦迪。 现在篮球对位置的要求越来越模糊,对球员的要求越来越全面。比如奥运会夺冠的阿根廷,几乎可以说采用的就是全攻全守的策略,中锋会出来防三分,后卫也会进去抢篮板。这也许和阿根廷人擅长足球有关:) 问题三:护士节、旅游节英语怎么说? Nurse"s Day Touri *** Festival 问题四:1912年她的生日被定为国际护士节 用英语怎么说 1912年她的生日被定为国际护士节 Her birthday was classified as international nurses day in 1912 问题五:有关护士节的英文名言 我觉得每年护士节的主题挺好的,算是关于护士节的名言了。 例如: 1999 C Celebrating Nursing"s Past, claiming the future 2000 C Nurses C Always there for you 2001 C Nurses, Always There for You: United Against Violence 2002 C Nurses Always There for You: Caring for Families 2003 C Nurses: Fighting AIDS stigma, working for all 2004 C Nurses: Working with the Poor; Against Poverty 2005 C Nurses for Patients" Safety: Targeting counterfeit medicines and substandard medication 2006 C Safe staffing saves lives 2007 C Positive practice environments: Quality workplaces = quality patient care 2008 C Delivering Quality, Serving munities: Nurses Leading Primary Health Care 2009 C Delivering Quality, Serving munities: Nurses Leading Care Innovations 2010 C Delivering Quality, Serving munities: Nurses Leading Chronic Care 2011 C Closing The Gap: Increasing Access and Equity 2012 C Closing The Gap: From Evidence to Action 2013 C Closing The Gap: Millennium Development Goals 2014 C Nurses: A Force for Change C A vital resource for health 2015 - Nurses: A Force for Change: Care Effective, Cost Effective 问题六:祝所有护士护士节快乐的英语怎么写 祝所有护士护士节快乐 Wish all the nurse nurses day happy
2023-08-12 05:58:331

nurses有几个音节鸭,好急!!!!!

感觉是两个音节。
2023-08-12 06:00:102

nurse是什么意思中文

nurse的意思是:护士员、护理员、保育员、乳母、保姆、奶妈、防护树。复数: nurses,第三人称单数: nurses,现在分词: nursing,过去式: nursed,过去分词: nursed。短语搭配:1、nursing home:养老院;疗养院。2、registered nurse:注册护士。3、staff nurse:护士。4、nurse practitioner:护理师;护师。5、charge nurse:护士长。例句如下:1、She wanted to be a nurse, but the thought of night shifts put her off.她想当护士,但一想到值夜班又使她打消了这个念头。2、A nurse"s prime concern is the well-being of the patient.护士最关注的就是病人的健康。3、A nurse did her best to stem the bleeding.那护士竭尽全力来止血。
2023-08-12 06:01:011

她是一名护士 英文怎么说

前面还有一段话的吧,要结合前面的话来说,若句子说“她不是……,而是一名护士”可以这么译sheisn"t......,butanurse. 用的是省略句。
2023-08-12 06:01:212

她是一名护士 英文怎么说

她是一名护士翻译成英文:She"s a nurs
2023-08-12 06:01:511

nurse中文翻译

The nurses take good care of the patients . 护士对病人照应得很好。 Her nurse asks what is the cause of her grief . 奶妈问她为什么如此悲伤。 He was carefully nursed by his wife . 他的妻子体贴入微地照顾他。 You ought to know. you were a nurse . 你应当知道。你是个护士啊。 The nurse sat up with the patient all night . 那护士整夜没睡守护著病人。 The young nurse had e into the room quietly . 年轻的护士轻声走进屋来。 The patient has a nurse attending ( on ) him . 病人有护士侍候。 I nursed my orange all of christmas day . 圣诞节那天我整天都捧著那个桔子。 Obviously he nursed similar notions . 明摆著他怀有同样的意图。 She nursed me through my long illness . 我病了很长时间,她都一直护理著我。 The nurse shifted uneasily and hung his head . 那个护士局促不安地低下头去。 The old nurse was prudent and shrewd . 这位老保姆小心而机警。 The chiefs who had nursed it were long dead . 培养它的领袖们也都早已去世了。 A nurse was dispatched to him . 已支派一名护士上他那儿去了。 The nurse fondled the child fondly . 保姆怜爱地抚摸著孩子。 He nurses an aspiration to be a poet . 他心怀当诗人的愿望。 Disappointment is the nurse of wisdom . 挫折是智慧的保姆。 The nurse turned the old man over to wash his back . 护士给老人翻个身擦洗后背。 The nurse will strap up your wound . 护士会绑扎你的伤口。 The nurse is steripzing the surgical instruments .. 护士在把外科手术器具消毒。 Privately, both of us nursed a forlorn hope . 我们俩人都私下怀著一线渺茫的希望。 The nurse in the depvery room said, "it"s a boy! " 产房的护士说:“是个男孩!” When i got back, bill had nursed his wounds . 我回到时,比尔已经料理了他的伤口。 He gestured to the door as it closed behind the nurse . 他指了指被护士关上的门。 The nurse developed a pained look . 护士露出痛苦的表情。 The nurse eased the bandage off . 护士慢慢地把绑带揭去。 She instructed the trainee nurses in giving injections . 她指导实习护士练习注射。 I could nurse you for a while . 我可以哄著你玩一会儿。 I had a sick child to nurse . 我有个患病的孩子得照顾。 She may be a good nurse but i don"t provide her . 她或许是个好护士,但我不雇用她。 A young nurse dressed his wounds with steady hands . 一个年轻护士稳稳当当地扎裹他的伤处。 The nurse appeared with a long white box addressed to me . 护士送来一个给我的白色长盒子。 Another nurse came along . 又一个护士走来了。 The head nurse is very bossy . 护士长凶极了。 Two nurses were hurrying toward the entrance to the gallery . 两位护士正在往楼厢的入口处赶。 Amazingly pttle is known about human lactation, or nursing . 对人类哺育婴儿或哺乳所知甚少。 Restraints are a necessary part of the nursing of children . 在小儿的护理中有必要使用约束法。 Nursing management and monitoring are essentially the same . 护理措施和临护法大体上是相同的。 "the first labor is usually protracted," the nurse said . “初产通常是拖得很长的,”护士说。 Nothing about the night nurse provoked the actor"s charm . 夜班护士毫无挑逗这位演员的风骚之处。
2023-08-12 06:02:271

nurse是可数名词还是不可数名词

nurse是可数,但这里要用复数,nurses circle 同理 people是集合名词,单复数同形,所以选C
2023-08-12 06:03:101

nurse英文怎么读

1、nurse,音标为:英[n__s],美[n__rs]。n.护士;保姆;v.看护;护理;栽培。2、名词:nurser过去式:nursed过去分词:nursed现在分词:nursing第三人称单数:nurses。3、例句:(1)Anursecametoputonacleandressingforhim.一位护士来给他包上干净的绷带。(2)Wellhavetoputthebabytonurse.我们只能请人照看婴孩。
2023-08-12 06:03:561

nurse英文怎么读

1、nurse,音标为:英[n__s],美[n__rs]。n.护士;保姆;v.看护;护理;栽培。2、名词:nurser过去式:nursed过去分词:nursed现在分词:nursing第三人称单数:nurses。3、例句:(1)Anursecametoputonacleandressingforhim.一位护士来给他包上干净的绷带。(2)Wellhavetoputthebabytonurse.我们只能请人照看婴孩。
2023-08-12 06:04:031

nurse的音标是什么

1、nurse,音标为:英[n__s],美[n__rs]。n.护士;保姆;v.看护;护理;栽培。2、名词:nurser过去式:nursed过去分词:nursed现在分词:nursing第三人称单数:nurses。3、例句:(1)Anursecametoputonacleandressingforhim.一位护士来给他包上干净的绷带。(2)Wellhavetoputthebabytonurse.我们只能请人照看婴孩。
2023-08-12 06:04:121

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2023-08-12 06:04:532

nurse的复数形式怎么写

nurses
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2023-08-12 05:57:013

manta是什么意思啊

Manta是魔鬼鱼的意思。有一首英文歌就叫manta
2023-08-12 05:57:061

潜望镜的目镜和物镜

望远镜的物镜相当于照相机的镜头,成倒立、缩小的实像,利用凸透镜成像的原理. 显微镜的物镜相当于投影仪的镜头,成倒立、放大的实像,利用凸透镜成像的原理. 照相机成倒立、缩小的实像,利用凸透镜成像的原理. 潜望镜在两个直角拐弯处安装了平面镜,平面镜能改变光的传播路线. 望远镜的物镜、显微镜的物镜、照相机的镜头都是利用了凸透镜;潜望镜利用了平面镜. 故选D.
2023-08-12 05:57:111

做塑料电容外壳一般用什么材料

你好;你做电容壳吗?请把你的电话号码留下好吗。
2023-08-12 05:57:125

玻璃样变和纤维化以及纤维样坏死间的联系或者区别

玻璃样变属于细胞变性的一种 指细胞内过多的蛋白质引起细胞发生了形态学改变。光镜下,常表现为圆形、嗜伊红的小体或团块。电镜下,可呈均质状、细丝状或晶体状。 纤维化是指组织的实质细胞纤维化 或是纤维结缔组织增生 纤维样坏死是细胞坏死的一种 是发生在间质、胶原纤维和小血管壁的一种坏死。光镜下,病变部位的组织结构消失,变为境界不甚清晰的颗粒状、小条或小块状无结构物质,呈强嗜酸性,似纤维蛋白,有时纤维蛋白染色呈阳性,故称此为纤维蛋白样坏死
2023-08-12 05:57:191

潜望镜,显微镜,望远镜成的是实像还是虚像

都是实像。
2023-08-12 05:57:232

现在手机外壳的材质有哪几种?分别有什么特性

由于原装正品一般价值不菲,所以市面上就出现许多仿品牌仿原装的配件产品。单就手机壳而言,市场上各种各样的手机保护壳层出不穷,令人眼花缭乱,质量方面也参差不齐,这让很多欲购买iphone爱机保护壳的朋友感到十分头疼。材质是影响大家挑选保护壳的最主要因素之一,其物理性、化学性极大程度影响到使用体验。硅胶材质硅胶(Silica gel; Silica)别名:硅橡胶是一种高活性吸附材料,属非晶态物质,其化学分子式为mSiO2·nH2O。不溶于水和任何溶剂,无毒无味,化学性质稳定,除强碱、氢氟酸外不与任何物质发生反应。各种型号的硅胶因其制造方法不同而形成不同的微孔结构。 硅胶的化学组份和物理结构,决定了它具有许多其他同类材料难以取代得特点:吸附性能高、热稳定性好、化学性质稳定、有较高的机械强度等。硅胶根据其孔径的大小分为:大孔硅胶、粗孔硅胶、B型硅胶、细孔硅胶。  目前可知的硅胶套主要分为两种,一种是有机硅胶,一种是无机硅胶。目前市售的数码产品硅胶套基本属于有机硅胶。其具备可耐高温、擅抗侯性(不怕紫外线或臭氧分解)、绝缘性佳、材质稳定等特点。硅胶套还具备良好的手感,部分按键生硬的手机,套上硅胶套后也会得到改善。其还能吸收一些磕碰对手机带来的冲击,能一定程度上减轻对手机的伤害。另外,硅胶套也具备了不错防水性能,这也成了它最大的卖点之一。硅胶套本身具有轻微的粘性,使用一段时间后会吸附大量的灰尘在手机上,长此以往,反而不利于手机的美观,与保护手机的初衷背道而驰优点:价格便宜,吸附性能高,缓冲性能良好,不易磨损,保护较全面。缺点:质感偏厚,款式少,易油腻,和机身贴合性稍差,同时材质稍差的还容易沾灰和进灰TPU材质TPU就是制造清水套的主要材料,是Thermoplastic Urethane热塑性聚氨酯弹性体的简称,所谓弹性体是指玻璃化温度低于室温度,断裂伸长率>50%,外力撤除后复原性比较好的高分子材料。聚氨酯弹性体是弹性体中比较特殊的一大类,聚氨酯弹性体的硬度范围很宽,性能范围很宽,所以聚氨酯弹性体是介于橡胶和塑料的一类高分子材料。可加热塑化,化学结构上没有或很少交联,其分子基本是线性的,然而却存在一定的物理交联。这类聚氨酯称为TPU TPU作为弹性体是介于橡胶和塑料之间的一种材料,耐油、耐水、耐霉菌,TPU制品的承载能力、抗冲击性及减震性能突出。TPU属于塑胶类,产品是注射成型工艺做出来的,就是把一粒粒的塑料米加温融化以后,用炮筒射入塑胶模具而制成产品。从手感感觉,一般TPU的硬度会比硅胶要硬,用手捏的弹性强,硅胶的弹性稍微差一些。从外观看,TPU是可以做很透明的那种的,硅胶不可以,最透的都是很朦朦胧胧的象浓浓的雾那种感觉。正是由于TPU的这种透明感觉,现在比较受用户欢迎。而且TPU产品高档次还还很多,可选择性比较强,花纹变化比硅胶也多。优势:高耐磨性强度高耐寒性突出耐油耐水耐霉菌柔韧性好不足:易变形容易变黄PC材质PC是聚碳酸酯的简称,聚碳酸酯的英文是Polycarbonate,简称PC工程塑料,PC材料其实就是我们所说的工程塑料中的一种,作为被世界范围内广泛使用的材料,PC有着其自身的特性和优缺点,PC是一种综合性能优良的非晶型热塑性树脂,具有优异的电绝缘性、延伸性、尺寸稳定性及耐化学腐蚀性,较高的强度、耐热性和耐寒性;还具有自熄、阻燃、无毒、可着色等优点,在你生活的各个角落都能见到PC塑料的影子,大规模工业生产及容易加工的特性也使其价格极其低廉。PC材质的保护壳不同于硅胶和TPU保护壳,它是硬质的,PC塑胶的韧性很好,透光度也很好,纯PC塑胶的有纯透明的,透明黑透明蓝等各种颜色,都很还不错。PC(聚碳酸酯)本身就是一种强韧的热塑性树脂,PC材质抗冲击性强,强度和韧性很好,无论是重压还是一般的摔打,只要你不是试图用石头砸它,它就足够长寿。PC材质的外壳有三种工艺,真空电镀工艺:在PC壳上电镀,电镀完雕刻一些花纹,质感不错,不过真空电镀完以后要过一到UV光油。 PC喷涂工艺:可以喷手感橡胶油,这种手感也有很多人喜欢,再复杂一点就是在有色(透明红、透明蓝、透明黄等)透明PC壳上喷一层底漆,再镭射雕刻一些花纹,这种产品显得很高档。 PC水转印热转印工艺:在PC壳上做一些转印上去花纹图案,然后再喷UV光油,或者有软软手感的橡胶油。转印后喷UV光油的,手一捏,表面的UV光油比较容易裂开,所以转印工艺的最好选择喷橡胶油的,软软的手感,表面哑光,做得好的工艺,也会显得很高档。缺点是表面不耐刮,如果某个局部掉了漆,稀里哗啦就会沿着掉漆的地方很容易越脱越多。转印优点是图案花色很丰富。优点:透光度好,硬度强,抗摔,轻薄,强度和韧性好缺点:不耐强酸,不耐强碱,不耐紫外线如果要买PC材质的手机壳,Saikoo 品牌的产品就不错,工艺方面和性价比都是比较高的。
2023-08-12 05:57:371

细胞水肿,玻璃水肿分别是那些物质在细胞异常内蓄积?

目的探讨玻璃体收缩与视网膜细胞间水肿的相关性.方法色素性兔17只1 7只眼,激光光凝诱发视网膜静脉阻塞(RVO)后1个月,视网膜血管分布区域作病理观察,对出现视网膜细胞间水肿者,测定其玻璃体内凝胶比重及重力下伸展度的改变,并通过Ⅱ型胶原蛋白免疫印迹分...
2023-08-12 05:57:402

变电站CT和PT的作用和区别

茗 椚 慖 际没(啥 子)问 题dit.baidu/www.5sad.net?gjhg当电流通过一个位于磁场中的导体的时候,磁场会对导体中的电子产生一个垂直于电子运动方向上的的作用力,从而在导体的两端产生电势差。霍尔效应的原理可用下述公式概括:E=KBIcosθ。上式中:E为霍尔效应电压K为霍尔器件的灵敏度,是常数I是霍尔器件的工作电流B是外部磁场的磁感应强度θ为I与B的垂直角度的偏差显然,I、B、θ三个物理量中,固定任意两个,剩下一个就是被测量。因此,霍尔传感器可以直接用于测量电流、磁感应强度、磁场方向(角度)。霍尔传感器用于转速测量,实际上就是固定电流,通过检测霍尔电压的大小判断磁钢与霍尔器件是否接近。
2023-08-12 05:57:444

OMEGA怀表盖上的一句英文,求高人翻译!

英国制作的外壳保证可以穿戴10年
2023-08-12 05:56:414

如图所示是潜望镜的结构示意图,其中两块平面镜均相对水平面倾斜45°角.潜望镜是利用了光的   &

反射;与平面镜2等高的正前方 试题分析:由题意知潜望镜是由两块平面镜均相对水平面倾斜45°角构成的,平面镜是成像的原理是光的反射,所以潜望镜是利用了光的反射原理.人眼看到平面镜中的虚像是物体反射经平面镜反射进入人眼,所以看到虚像的位置在进入人眼光线的反向延长线上,即眼睛与平面镜2水平连线的直线上,也就是军舰所成的虚像位于与平面镜2等高的正前方
2023-08-12 05:56:391

求Not That Kinda Girl的歌词,是The Saturdays唱的

你猜
2023-08-12 05:56:352

一首英文歌,主体旋律是re mi so mi re mi re do mi,CF视频站里的

Sitting Down Here uff08Original Versionuff09 - Lene MarlinI"m sitting down hereBut hey you can"t see meYour words cut rather deeplyThey"re just some other liesI"m hiding from a distanceI"ve got to pay the priceDefending all against itI really don"t know whyYou"re obsessed with all my secretsYou always make me cryYou seem to wanna hurt meNo matter what I doI"m telling just a coupleBut somehow it gets to youBut I"ve learned how to get revengeAnd I swear you"ll experience that some dayI"m sitting down hereBut hey you can"t see me kinda invisibleu2026You don"t sense my stayNot really hiding not like a shadowJust thought I would join you for one dayI"m sitting down hereBut hey you can"t see meI"m trying not to avoid youJust don"t wanna hear your voiceWhen you call me up so oftenI really don"t have a choiceYou"re talking lie you know meAnd wanna be my friendBut that"s really too late nowI won"t try it once againYou may think that I"m loserThat I don"t really careYou may think that it"s all forgottenBut you should be awareCause I"ve learned to get revengeAnd I swear you"ll experience that some dayI"m sitting down hereBut hey you can"t see meKinda invisibleYou don"t sense my stayNot really hiding not like a shadowJust thought I would join you for one dayI"m sitting down hereBut hey you can"t see me kinda invisibleu2026You don"t sense my stayNot really hiding not like a shadowJust thought I would join you for one dayYou seem to wanna hurt meNo matter what I doI"m telling just a coupleBut somehow it gets to youBut I"ve learned how to get revengeAnd I swear you"ll experience that some dayI"m sitting down hereBut hey you can"t see me kinda invisibleu2026You don"t sense my stayNot really hiding not like a shadowJust thought I would join you for one dayI"m sitting down hereBut hey you can"t see me kinda invisibleu2026You don"t sense my stayNot really hiding not like a shadowJust thought I would join you for one dayI"m sitting down hereBut hey you can"t see me kinda invisibleu2026You don"t sense my stayNot really hiding not like a shadowJust thought I would join you for one dayI"m sitting down hereBut hey you can"t see me kinda invisibleu2026You don"t sense my stayNot really hiding not like a shadowJust thought I would join you for one day
2023-08-12 05:56:271

潜望镜:潜望镜成的像是由于光的______(反射/折射)形成的,像的大小______物体的大小(选填“大于”“

由于潜望镜是由平面镜组成的,平面镜成像的原理是光的反射;物体在平面镜中成的像与物体大小相等.故答案为:反射;等于.
2023-08-12 05:56:151

电磁炉外壳是什么材料 ?

可以啊但是前提是你不怕烫
2023-08-12 05:56:145

生物怎么进化出死亡的?

这个明显是生物学的问题,所以应该用生物学的结论解答。达尔文的进化论说:物竞天择,适者生存。生物要有适当的环境才能生存,然而大自然的环境是不断变化的,如果生物不进化就不可能适应变化的环境,最终也会死亡。但进化是随机的,通过基因突变来实现,如果生物不繁殖出更多的个体,也就没有足够多的试验品来验证哪个突变才是适应当下环境的最好基因。但个体太多又会出现资源和空间有限的问题,最终,物种只有牺牲掉必将消亡的老个体来成全新个体。或许刚出现生物形态的时候生物是个体永生的,这也只是生物学意义的永生,遇到环境变化而死亡或被别的生物杀死却是必然的。既然一定会死,干脆来点突变,让生物族群永生。事实也证明了走族群永生的路是对的,我们人类不也是几十亿年前单细胞生物的后裔吗?ps 我也是在我小孩出生以后才发现,其实我对自己个体死亡并没有那么恐惧了!
2023-08-12 05:56:0815

用潜望镜观察水面上的情况,是发生了两次反射成的像应该是什么像?

因潜望镜内部装有平面镜,且平面镜成等大正立的虚像,成像原理是光的反射现象, 故答案为:相等,反射.
2023-08-12 05:56:081

制作塑料外壳时, 为什么要开模?开模的费用是多少呢?

要看产品难度而定,我有很多朋友做这个,可以问我
2023-08-12 05:56:042

核磁共振和CT有什么区别?

根本就没有相同点!
2023-08-12 05:56:008

为什么潜望镜成的像是虚像?

成像位置不同
2023-08-12 05:55:594

林忆莲的那歌 “我站在这里 看这立地成佛”谁知道是叫什么名字歌曲

那首歌叫<我坐在这里>,英文版本是<sitting down here >,演唱者是Lene Marlin
2023-08-12 05:55:572

医学上所说的B超,彩超,CT一样吗,有什么相同点和不同点啊?

四个都是影像学检查。cr拍片是计算机摄影,ct是计算机断层扫描,b超是b型超声波检查,彩超就是彩色多普勒,可以看到动态的,可以看到血流方向等,以上均为二维的。
2023-08-12 05:55:513