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雅思climate change 对于事业的影响

沉默的热狗
羞涩的砖头
2023-02-02 15:31:03

雅思climate change 对于事业的影响

最佳答案
无奈的大炮
害怕的自行车
2025-07-18 09:34:32

这是雅思的作文“气候变化对事业的影响”,这里给出几篇范文

 01

Global warming is causing climate to change. This means negative things for many businesses, but it provides opportunities for some others.

全球变暖正在导致气候变化。这对许多企业来说意味着不利的事情,但也为其他一些企业提供了机会。

解析

(1) 本段直接提出问题,并给出自己的核心观点:气候变化对某些企业来说不利,但对其他企业来说则是新的机会。

(2) Global warming 全球变暖

(3) Provide sth. for sb. 或者 provide sb. with sth. 为......提供......

02

To begin with, climate change is bad for many businesses. Although it is hard to estimate in exact terms the extent to which various businesses may be influenced, it has been evident that climate-related disasters like droughts and floods and hurricanes, are starting to have an impact on businesses of many kinds. Globally, climate change presents afundamental threat to business prosperity, and it is increasingly recognized as a risk for business owners. For example, they will face rising insurance costs, or the insufficient supply of power and water. So, if they fail toinnovate so as to adapt to the worsening climate change, bad effects would fall on them and leave them out of business.

首先,气候变化对许多企业是件坏事。虽然很难准确估计各种企业可能受到的影响程度,但很明显,干旱、洪水和飓风等与气候有关的灾害开始对各类企业产生影响。在全球范围内,气候变化对企业的繁荣构成了根本性威胁,人们越来越认识到气候变化对企业主来说是一种风险。例如,他们将面临保险成本上升,或电力和水供应不足的问题。因此,如果他们不能创新,以适应日益恶化的气候变化,不良影响将落在他们身上,使他们失去业务。

解析

(1) 本段论证气候变化可能对企业产生的坏的影响,本段结合使用说理和例证。

(2) Estimate 估计

(3) In exact terms 准确地

(4) Evident 明显的

(5) Disaster 灾难

(6) Globally 全球范围内地

(7) Fundamental 根本的

(8) Prosperity 繁荣/发展

(9) Innovate 革新

(10) Adapt to... 适应......

03

Although it is not great to acknowledge that bad things can create opportunities, climate change does open up new possibilities for at least two business sectors. One area ripe for growth is renewable energy. In this area, businesses have set ambitious targets for wind, solar and hydro-power, and they may attract huge amount of investment. Meanwhile, eco-friendlyconstruction companies can find new opportunities who help cities prepare for changes in climate as more and more people will live in urban areas and create a pressing demand for a host of infrastructure services, like water and electricity.

尽管承认不好的事情可以创造机会并不好,但气候变化确实为至少两个商业领域开辟了新的可能性。可再生能源是一个适宜增长的领域。在这一领域,企业为风能、太阳能和水力发电设定了雄心勃勃的目标,可能会吸引大量投资。与此同时,随着越来越多的人生活在城市地区,对水电等一系列基础设施服务的需求日益迫切,环保建筑公司可以找到新的机会,帮助城市做好应对气候变化的准备。

解析

(1) 本段讨论气候变化可能给企业创造的新机会,本段用列举法。

(2) Acknowledge 承认

(3) Open up 催生;开放

(4) Be ripe for... 适宜做......

(5) Eco-friendly 环保的

(6) A pressing demand for... 对......的迫切需求

(7) Infrastructure 基础设施

04

In conclusion, climate change will continue to be a long-term risk to many businesses. However, those forward-thinking few can take immediate action and turn this vicious trend into new opportunities.

总之,气候变化仍将是许多企业的长期风险。然而,那些具有前瞻性思维的少数企业能够立即采取行动,将这种恶性趋势转化为新的机遇。

解析

(1) 本段为结论,重申自己的观点。

(2) Long-term 长远的;长期的

(3) Forward-thinking 有前瞻思维的

(4) Vicious 恶性的

高分范文

Global warming is causing climate to change. This means negative things for many businesses, but it provides opportunities for some others.

To begin with, climate change is bad for many businesses. Although it is hard to estimate in exact terms the extent to which various businesses may be influenced, it has been evident that climate-related disasters like droughts and floods and hurricanes, are starting to have an impact on businesses of many kinds. Globally, climate change presents a fundamental threat to business prosperity, and it is increasingly recognized as a risk for business owners. For example, they will face rising insurance costs, or the insufficient supply of power and water. So, if they fail to innovate so as to adapt to the worsening climate change, bad effects would fall on them and leave them out of business.

Although it is not great to acknowledge that bad things can create opportunities, climate change does open up new possibilities for at least two business sectors. One area ripe for growth is renewable energy. In this area, businesses have set ambitious targets for wind, solar and hydro-power, and they may attract huge amount of investment. Meanwhile, eco-friendly construction companies can find new opportunities who help cities prepare for changes in climate as more and more people will live in urban areas and create a pressing demand for a host of infrastructure services, like water and electricity.

In conclusion, climate change will continue to be a long-term risk to many businesses. However, those forward-thinking few can take immediate action and turn this vicious trend into new opportunities.

最新回答
悲凉的老鼠
自由的硬币
2025-07-18 09:34:32

中国能源发展 我们任重道远

能源问题是个大问题,随着技术和经济的发展及人口的增长,我们对能源的需求越来越大,能源问题、能源的发展,与各行各业休戚相关。

谈到我国的能源问题,总体来说,还是处于紧缺状态的。这并不与中国历来的“地大物博”相驳,中国14亿人口平均下来,每个人均摊得的资源量不足世界平均水平的一半。其实,我们的资源量并不富有,我们用占世界 9%的耕地、6%的水资源、4%的森林、1.8%的石油、0.7%的天然气、不足9%的铁矿和不足2%的铝土矿,养活着这世界上22%的人口。这些说句足以让我们的心咯噔一下:原来我们的处境如此紧迫!

从世界来看,尽管新兴能源不断崛起,我们所利用的主要能源,仍是有限而宝贵的化石燃料。现在世界能源结构中所利用的化石燃料仍主要是煤炭,其次才是石油和天然气,其比例约为68%、17%、15%。根据国际上通行的能源预测,石油将在40年内枯竭,天然气将在60年内用光,煤炭也只能用220年。在人类利用能源的历史长河中,石油煤炭天然气等常规能源毕竟是短暂一瞬的,所以人类及早开始寻找新一代的替代能源。根据世界权威部门推测,只2060年,新能源与可再生能源的比例将占能源结构的50%以上。因此,要解决中国能源供应不足问题,开发中国丰富的新能源与可再生资源是一条符合国际发展趋势的可行之路。

然而,能源的日渐枯竭并阻止不了人们能源消费的脚步,能源消费加快、人均占有量低的事实很有力,我国节能减排形势紧迫,任重道远。我国石油天然气的人均储量分别相当于世界水平的7.69%、7.05%,看来我国经济社会可持续发展必须想到的出路是厉行节能减排的方针。其实节约当然是首要的,当代的资源浪费比比皆是,触目惊心,无论是开发新能源,还是利用我们现在所拥有的,都要本着十分节约与珍惜的宗旨,毕竟,能源亦或可再生能源都是真真事实存在而又非无穷无尽的,不像苏轼《赤壁赋》中所云:取之无禁,用之不竭。为了我们自己,也为了子孙后代,我们始终倒要奉行厉行节俭的宗旨啊。

能源占有率的讨论再利用率面前,就只显得浅显了。目前中国能源利用率仅为33%左右,相当于发达国家20年前的水平。在节约能源、提高能效方面,中国有着巨大的潜力,需大力发展可再生能源和控制能源使用率,从而控制CO2的排放,以积极应对全球气候的变化。而我国是富煤国家,整个能源结构中煤占90%以上,每年全国煤消耗达6亿多吨。中国这种资源条件决定了以煤为主的能源消费结构在短期内难以转变,未来以煤为主的污染排放仍会居高不下。严重的污染问题,已经成为制约经济发展、危害群众健康、影响社会稳定的重要因素。而目前国际石油价格居高不下,变化难测,以煤炭为主要能源的中国,通过技术创新将污染严重的煤资源转化为清洁能源,具有战略性意义。这种转化单纯依靠国家和少数科研机构显然是不行的,必须采取强有力措施,引领百万产业“八仙过海”,自主创新,共促转化。

从能源联系看中国与其它周边国家的互利合作,着实应以实际能源状况出发,在互利合作中摸爬滚打,既要考虑长远,也要促进当前能源问题的解决以及为我国的能源发展着想。首先明确对互利的几点思考,面对当今不断出现的一系列新的能源问题,中国与其他国家发展关系时,需要重视以下领域工作:进出口规模的控制、消除亚洲升水、扩大投资合作、维护地区和平以及开展互惠互助的战略对话。能源联系使中国以其他国家及地区的互利关系更加紧密,关系也涉及更加广泛的层面和领域,这也就使得中国与其他国家建立战略性对话机制显得空前重要,这样一来,相互合作的具体性和针对性也就必须体现出来,必须根据不同国家与中国战略合作关系进行强化深入的能源发展合作。

事实上是,当今世界大部分能源资源被西方国家所控制,再加上自然灾害、局部战争、气候变化使得能源增长缓慢,然而能源消费依旧快速增长,这使得能源供需关系无疑面临空前紧张的局面。总览世界各类能源的储量和生产状况不难发现,实际上,石油产量及石油贸易还是在缓慢升温的,这少不来哦OPEC、中美及俄罗斯的功劳。作为现代能源的一大主力的天然气的发展也是引人瞩目的。非常规天然气占总量一半,求绝育许多因素,分布分散、区域发展差异性大以及面临的各种环境安全方面的质疑,都成为天燃气发展的重要制约性因素。于2004年全线贯通并投产的中国西气东输工程,将中国西部地区天然气向东部工业区输送,主要是新疆塔里木盆地的天然气输往长江三角洲地区。这无疑是具有历史意义的一次均衡能源配给的巨大工程,至于它的意义,我们初中地理课本就有,而直接结果是我们能源配给结构的改善。像这种跨区域的能源调控,对扩大内需、增加就业等社会问题都具有积极意义。然而我们决不能忽视“度”,从长远来看,引进俄罗斯西西伯利亚的管道与现在的西气东输大动脉相连接才是更有利于我国能源协调的规划。

面对能源消费强进增长及油价上涨的趋势,中国应找准自己的落脚点,积极应对并解决关乎世界能源紧张的问题。而在明确自己有多少油多少碳多少气的同时,节能环保、创新高效都是我们要注意的问题。同时要与周边国家积极的进行战略合作,合作要从长远利益出发,时刻牢记我们现在所利用的每一份资源,都同样是子孙后代的宝藏。树立正确的价值观后,立身于世界,中国能源的发展前景还是比较清晰的。我们人口众多,在扩大内需拉动经济增长的同时,还应大力促进各种节能环保设备的引进与应用,加快国内产业及能源利用工艺的自主创新脚步,同时厉行节俭,时刻牢记我们对这个世界所肩负的责任。

面对这样一个能源发展局面,中国能源的发展,我们任重而道远!

聪明的母鸡
深情的小鸭子
2025-07-18 09:34:32
今晚雅思作文考试准备:

一、小作文( 流程图、柱状图、表格、饼图、地图、混合图、线图 )

备考建议: 反复看范文,多练习 。看到题目,先想怎么 归纳信息 ,段落层次的归纳和句子层次的归纳(可以写出来);然后去看范文,和自己之前写的做对比,看看欠缺在哪里(比如没有意识到可以将六种能源归成化石能源和可再生能源两大类);把范文多看几遍以后,尝试去默写!但是不要去背范文,背下来就失去效果了。  多看几遍,尝试记住范文是怎么归纳信息的,然后自己 默写 ,写好之后再去和范文对比,看看哪些表达方式忘掉了,哪些信息归纳方式忘掉了,把它们记下来。

二、大作文

备考建议:一篇雅思考官9分范文至少读2-4遍。

第一遍: 1)读懂内容意思;2)勾画出:生词,好词,重点词汇,同义词替换;3)勾画出好句;4)了解文章的:结构,总论点。

第二三四遍: 1)细致分析主体段的论证过程,包括:分论点是什么,论据是什么,使用了什么样的论证方法。2)拆分论证逻辑。3)读的过程中留意承接上文部分以及首尾呼应等写作手法。

顺心的钢铁侠
冷傲的绿草
2025-07-18 09:34:32

给你些相关词汇,

influence=影响

A bad influence is the people who make money quickly by destroying the local environment.=那些为了眼前利益而破坏当地环境的人造成了很坏的影响。

do not correspond to environmental law=不符合环境保护规定

Many people are exposed to exhaust fumes everyday.=许多人每天都暴露在各种废气的环境中。

Dirty air is bad for health, bad for citizens=污浊的空气对每个城市人都十分有害。

The rate of deforestation is still very high in my hometown.=我家乡这里滥砍滥伐很严重。

Many lovely animals, such as birds, squirrels and dragonflies, depend on trees to survive. Number of these species is decreasing with a decrease in number of trees.=许多可爱的小动物,例如鸟儿,松鼠以及蜻蜓,都依赖树木生存。由于树木的不断减少,这些物种的数量也越来越少。

fossil fuel=化石燃料

atmosphere=大气

air pollution=空气污染

dirty air=污浊的空气

fumes=haze=霾烟雾= *** oke=the grey, white or black gas that is produced by fossil fuel burning

bioenergy=生物能

renewable energy=可再生能源

clean power=清洁能源

solar energy=太阳能

wind power=风力

terrestrial heat energy=地热能

develop a hydroelectric power station=建立一个水力发电站

fresh air=新鲜空气

9年级英语作文!`

The Students' Union(成长) When I think back on my early childhood, I can remember how happy I was. I started in a new school in + + +, which was surrounded by a lot of toy stores and I was fascinated, in a rather special way, by all the toys displayed in the windows. At that time I was not particularly satisfied about my life. I knew I didn't e from a rich family and my parents could afford these toys. I often wondered why I should suffer more than other children. I always kept this in my mind and felt sad often.As time went on, I will enter junior high school and bee friendship with new students.I will happy with my life and active in everything in school. I will set a good example to others. I experienced a real “grown-up”. And I got to realize, Even now as a senior high school student, sometimes I still wonder why the enlightenment took so long. But I have finally e to know that growing up is really a self-fulfilling experience.我高二,写的完全符合你的要求,不知对你来说难不难。

10篇英语作文,全部带翻译

1.英文:In my mind, everyone shall have his own dream. I think that having a dream means that we have an idea, and then we will do all the things to achieve the target. As long as we have a goal to be realized, we won't be blind at least. My dream is to bee a successful stateman, helping those people who need help with their rights. Of course, to be a good stateman is very difficult, but I will do whatever I can do to keep everyone satisfied. That's my dream. I want to try my best to help the poor sick people of our country. China is a developing country which needs good stateman,especially in the countryside and distant villages. Now I'm a junior student on Grade One, My dream is also that although at present I'm good at study, I'll still try my best to be the study winner. Now everything I do is close to my dream. I feel life is fill with hope and is colorful, and I have enough confidence to realize my dream. 翻译: 在我心目中,每个人都应当有自己的梦想。

我认为有一个梦想就是我们有一个想法,然后我们将尽一切事情以达到目标。

只要我们有一个目标得以实现,我们不会盲目至少。

我的梦想是成为一个成功的志愿者,帮助那些需要帮助的人。

当然,做一个好是非常困难的,但我会尽我所能做到让所有人满意。

这是我的梦想。

我要尽我所能来帮助我国贫困病人。

中国是一个发展中国家,需要有良好的志愿者,特别是在农村和偏远的乡村。

现在我已经是上初中一年级学生,也是我的梦想是,虽然目前我很善于学习,我还是会尽我最大努力,来做这项工作的赢家。

现在我所做的一切是接近我的梦想。

我觉得生活是充满希望,是丰富多彩的,我有足够的信心去实现我的梦想。

2.英文: My family I love my family, because I have a happy family.My father is an English teacher. His name is Jacky. He is thirty-eight. He likes playing basketball. What's my mother job? Is she a teacher? Yes, you're right! My mother is very kind and nice, she is thirty-seven. My mother is always laborious work. I love my parents!On Saturday and Sunday, I often go to the library and play the piano, My father go to play basketball. Sometimes, we watch TV and listen to music at home.I love my family. Because I'm very happy to live with my parents together!翻译: 我的家庭 我爱我的家庭,因为我有一个快乐的家庭.我的爸爸是一名英语教师,他的名字叫Jacky.他今年38岁.他非常喜欢打篮球.我的妈妈是赶什么呢?她是一名教师吗?是的.你说对了!我的妈妈是一个很亲切、友善的人,她今年37岁.我妈妈总是勤劳的干活.我爱我的父母.在星期六和星期天里,我经常去图书馆和弹钢琴.我爸爸去打篮球.有时侯,我们都在家看电视和听音乐.我爱我家.因为我和爸爸妈妈一起生活得很开心! 3.英文:A farmer has five sons.They are Ted,Bob,Tom,John and Bill. John has no elder brother. He was four years older when his first younger brother was born. The number of Tom's elder brothers is equal to his younger brothers. Bill will be enty-one years old next year, and he is five years older than Bob. Bob is o years younger than Tom. Ted was sad because he has no younger brother. There are elve years beeen him and John. 翻译:一个农民有5个儿子。

他们是Ted,Bob,Tom,John 和 Bill。

John没有比他大的哥哥,他比第一个出生的比他小的那个弟弟大4岁,Tom哥哥的数量和他的弟弟的数量是一样的(就是他是老三)Bill 明年就21岁了,他比Bob大5岁,比Tom小2岁,Ted因为没有弟弟而难过 Ted 和John之间差了12岁4.英文:2010 will be end ,and 2011will be e .In the new year ,we must be have much wishes ,because new year means that things end and another things start.So we need to make a new year"s resolution in order to the second year will be better.I want to share my new year"s resolution with you. Firstly,i decide to try my best to learn english .because my english so poor that it affects my other subject.I willface many differences ,such as broadening my vocabulary, training my listening ,improving my write and so on. I must work hard because i don"t want to behind the times. Secondly ,i will give up watching football games because every time it takes me o hours ,which makes me not finish my homework .As a student ,study is our duty ,so i wii focused more on study and less on playing . In order to my future ,i will work hard!翻译: 2010年将结束,2011即将到了。

在新的一年,我们必须有很多的愿望,因为新的一年意味着事情结束和另一个东西开始.所以我们需要作出新的一年“的计划,以便在第二个今年将是更好的新年与你分享。

首先,我决定尽我所能地学习英语。

因为我的英语很差,它会影响我的其他的科目.都有不小的差距,如扩大我的词汇,我的听力训练,提高我的写作等。

我必须努力工作,因为我不想落后于时代。

其次,我会放弃,因为每看一次我...

求一篇九下英语作文

Dear Judy,Your mother are very worried about you now.I must give you some advice,or you wilI bee worse.First,I think you don't need to care about your weight so much.There are a lot of fat people in the world,but they can still bee great people. Second,being thinner is really a stupid thing for a young girl.It will waste you a lot of time.As the saying goes,"time is money".If the time goes,it will never e back.Stop losing your weight and try doing some other important things,such as reading books,talking with your friends and so on. Finally,the most important thing is that you should think about your mother.As we all know the maternal love is a greatest power of world. Mother gived you too much and she loved you too much,so don't make your mother feel worried. I am looking forward to hearing from you.yours Editor

谁帮我写一篇9年级英语作文范文?

If I were a boss of a pany,I would do many things to help the society and my family.First,I would donate 1 million yuan to the Project Hope to help more people.Then,I would donate 1 million to help the peasent bee richer.As for my parents,I would buy a big house with garden and pool.I hope they will be happy with this gift.Anyway,If I became richer,I would make the world more beautiful.

跪求07

08四川 What can I do for our environment? Everyone can do something for our environment. For me, I should try to save electricity in my daily life. For example, if I am the last person leave the classroom in the evening, I will always remember to turn off the lights. In order to protect our forests, I will use paper wisely. I should try to use both sides of paper whenever it is possible. I will not use things like paper cups and disposable chopsticks because they are made of wood. I believe that doing all these *** all things will improve our environment and help make our world a better place to live in. 08陕西Notice Our monitor suggests that we have “Friday News Hour”. But some clas *** ates do not agree. We will have a class meeting in English tomorrow afternoon to discuss this suggestion. Please prepare your talk and take an active part. May 6th, 2008 Dear fellow students, Our monitor suggests that we have “Friday New Hour”. I think that it is a good idea. Everyone knows that we are busy all day. Seldom do we know what is happening both at home and abroad, let alone what we can do for our country. By reading newspapers we can get more information about the world outside. So I think “Friday New Hour” can broaden our mind and enrich our school life. What's more, it will help us improve our reading skills. As for my suggestion, I think it's better to have it ice a week. And we should make a choice about what we'll read. I am sure everyone will benefit a lot from this activity. 08福建Dear sir, I'm Li Hua from Fujian. When I was reading the advertisement , the aim of this activity impressed me greatly, I think it instructive to learn to live together by living together. It is a good opportunity for the only child like me to learn to share and work together. Therefore I remend myself to you without hesitation. As a boy of 17, I am outgoing, good at English and have experience of working well with children aged from 7 to 12, I think it is a kind or win-win activity. For one thing, I can help take care the children. For another thing, I can improve my English, make more friends, and enrich my life during the summer vacation. I am looking forward to your early reply. Sincerely yours, Li Hua 08安徽Dear David, I'm glad that you've noticed our efforts directed towards environmental protection. Thank you for your concern. As too much use of plastic bags has caused serious white pollution, our govenment encourages us to use environment-friendly shopping bags. These bags are made of a variety of material that can be easily treated when they bee rubbish. Besides, they can be reused. More and more people in China have realized the advantages of such bags and started using them. I believe that the wide use of these shopping bags can greatly improve our environment. This is one of the many steps we are to make our country an even cleaner place. Yours, Li Hua 08湖南Sample 1: Thomas Edison Born in American, Thomas Edison was a great scientist and inventor. He once thought to be a boy who was not worth educating. In fact, he was a man full of imagination. I admire Edison a lot because of his great contribution to the world. He had more than 1000 inventions. In his little time, he was always eager to know how things worked, which helped him to earn the nickname “the Wizard of Meio Park”. He was also so diligent that he worked day and night. And this explained why he had so many inventions. What impresses me most is his famous saying, “genius is one percent inspiration and niy-nine percent perspiration”. Probably I cannot be an Edison myself, but I can be a hardworking learner. From him, I realize the secret to success is not when and where you were born, but what you are doing and how you do it in your life. Sample 2: Helen Keller Every time I read “…if I had the power of sight for three days, I cannot help being moved by its author Helen Keller, an ordinary but great American woman. I admire Helen because she is optimistic about life. She became deaf and blind when she was 19 months old. Since then she lived in a world of darkness and silence, and munication seemed only a dream for her. But she never gave up and struggled to lead an active life. Under the guidance of her teacher, Ms. Sulliven, Helen learned to read and write, and became a famous writer. For a disabled person like her, this was really a wonder. Helen has set an excellent example to all of us. Her story tells us that we should value what we have and try our best to overe any difficulty in life. Sample 3: William Shakespeare Do you know Hamlet? Have you read the Merchant of Venice? ...

高分!用英语的9个时态,写的英语作文!!

下面这一小段文字包含了9个时态,我写得比较匆忙,希望能帮上你。

It is a nice day. my hu *** and is working in his pany and i am shopping in the market. i remember my hu *** and told me last night that he wanted to eat fied chicken. i have bought some and will cook them as supper. i love my hu *** and. i am always recalling our sweet yore. when we met each other for the first time, he was eating the fried chicken. He said it was his favourate and he had eaten ten hunk of it. He is so intereting,charming and cute that makes me love him deep.And i have been pregnant. By the end of this year, i will have our own baby. i think at that time i will be laughing with tears because i am the happiest woman and mother in the world.

人教版九年级英语作文列文(9篇)

自己改动一下就行了·小学英语作文 ·初中英语作文 ·高中英语作文 ·大学英语作文 ·考研英语作文 ·中考英语作文 ·高考英语作文 ·#$英语四级作文 ·英语写作资料 · ~GRE作文 ·留学文书写作 ·雅思考试作文 ·英语六级作文 //rrting/English/yyxw/这里有近千篇英语作文,希望能帮到你,要给分喔 %#¥#·

九年级上册英语作文

9年级7单元section B 3b的作文 Dear S.T.Zhang Hello,I'm Ace Travel worker. I think you should go to the Great Wall in Beijing, though, it's far away from your home. The Great Wall is one of the wonders in the world. All of Chinese are proud of it. You could stay in Brown Hotel, it's very cheap, but if you want to have a kitchen, you have to pay more money for that. By the way, that food is also inexpensive. Your room is big enough for your family to live. There is a pretty big pool near the Brown Hotel, you just spend one dollar on tickets. If you have a lot of money, you could fly to there, if you want to save money, it's best to travel by train. Beijing is very hot this time of year, you have better to take cool clothes, when you reach there,Miss Fang will take you to the Brown Hotel. I hope you have a great trip and you can love this trip. Ace Travel

帮忙写9篇初一英语作文!!

My Dream SchoolI always feel tired after eight classes a day, so my dream school starts at 8:30 a.m. and ends at 3:30 p.m. There are three lessons in the morning and o in the afternoon. We can choose our favorite lessons to learn. We can spend more time doing some outside reading. The students do after-school activities for one and a half hours every day. We needn't do a lot of homework. We are all happy to stay at school.Besides that, my dream school looks like a big garden. There are many kinds of flowers around the modern buildings. Sweet perfumes are diffused all around. If I want to have a rest, I can lie on the grass, listen to music by the lake or look out at the flowers from the classroom windows.The teachers here are kind and helpful. They are not only our teachers but also our good friends. The students are polite and friendly. We all know how to keep our school clean and tidy. There is no litter around the campus.I love my dream school. We will grow up to be happier there.My familyHello, everyone, I'm Liu Dongdong. I'm a student. There are three people in my family—my father, mother and I.My father is 40 years old. He is a worker. I think he is a good worker. Because he works very hard. He gets up very early every day and he works for more than 10 hours a day. So he is always busy, he looks very tired when he gets home. He likes reading newspapers. He usually reads it after supper. So he gets lots of news.My mother is 38 years old. She is a worker too. She works in a very *** all factory. She is not tall and she has o big eyes. She loves me and she is good for me. She always buys some books for me. She wants me to be a top student. She also cares for my diet and life.I' m 15 years old. I wear glasses. I like reading. I always read books after school. I like singing, too. My favorite singer is Jay Chou. His music is very nice. What do you think of him? I also like making friends. If you want to meet me, please write to me.Oh, my parents love me and I love them, too. My family is a happy family.

参考答案…!My Happy WeekendI was so busy and had to do so many things on last weekend. I finished my homework on Saturday morning.In the afternoon, I helped my mother with housework. Because I am a good girl and wanna prove i am a valuable number of my family.On Sunday morning, I visited my grandparents with my parents. In the afternoon, we went to the park together by metro. Because there was a kite performance.My grandparents and us enjoyed the show so much.We saw many varied kites there and we brought some beautiful kites, too. Then, we flew the new kites, that was fun. In the evening, we had a big dinner.My grandparents likes eating fish and my grandma cooks fish very well. After dinner, we watched TV together. We feeled satisflied so much on last weekend.Here is the translation of chinese:中英文对照翻译如下:我的开心周末我在上个周末不得不做很多事而且很忙碌.我一在周六早上完成我的作业.周六下午,我帮妈妈来做家务.因为我是一个好女孩并且想要证明我是这个家里有价值的一员.在周日早上,我随父母去拜访我的爷爷奶奶.在下午,我们坐地铁一起去公园玩.因为公园现在正在举行风筝表演活动,我们在风筝表演活动获得很多乐趣. 我们看见各种各样的风筝并且买了一些漂亮的风筝.接着,我们一起去放风筝,那可是相当有趣了!到晚上,我们去聚餐.爷爷奶奶喜欢吃鱼而且奶奶做的鱼非常好吃.晚饭后,我们一家人坐在一起看电视.我们觉得上个周末过得很开心.

转载请注明出处作文大全网 » 九年级英语作文

明亮的学姐
强健的哑铃
2025-07-18 09:34:32
“活化石”是在种系发生中的某一线系长期未发生前进进化,也未发生分支进化。更未发生线系中断(绝灭),而是处于停滞进化状态的结果。并须仍是现生的种类。

在生境不变,成种率极低的情况下,这些生物在几百万年时间内没有发生什么变化。于是相应的就形成了一些延续了上千万年的古老的生物,同时代的其他生物早已绝灭,只有它们独自保留下来,生活在一个极狭小的区域,被称为“活化石”。

1938年在非洲东南部海中,首次发现残存的总鳍鱼类矛尾鱼,是世界闻名的1种活化石。我国现在的裸子植物银杏、水松和哺乳动物大熊猫等,均被世界公认为珍贵的活化石。

另一些在地史时期,曾广泛分布而长期生存至今的动物,如腕足类的海豆牙等,也是“活化石”,但它们不是孑遗生物。

总之,孑遗生物一定是“活化石”,但“活化石”不一定都是孑遗生物。

化石是埋藏在地层里的古代生物的遗物。最常见的化石是由牙齿和骨骼形成的。古代动物死后,尸体的内脏、肌肉等柔软的组织很快便会腐烂,牙齿和骨骼因为有机质较少,无机质较多,却能保存较长的时间。如果尸体恰好被泥沙掩埋,与空气隔绝,腐烂的过程便会放慢。泥沙空隙中有缓慢流动的地下水。水流一方面溶解岩石和泥沙内的矿物质,另一方面将水中过剩的矿物质沉淀下来或成为晶体,随着水流会逐渐渗进埋在泥沙中的骨内,填补牙齿和骨骼有机质腐烂后留下的空间。如果条件合适,由外界渗进骨内的矿物质在牙齿和骨骼腐烂解体之前能有效地替代骨骼原有的有机质,牙齿和骨骼便完好地保存成为化石。由于化石中的大量矿物质是极为细致地慢慢替代其中的有机质,所以能完整地保存牙齿和骨骼原来的形态,连电子显微镜才能看清的组织形态都能原样保存。天长日久,骨骼的重量不断增加,由原来的牙齿和骨头变成了还保存牙齿和骨头原有的外形和内部结构的石头,这个过程被称作“石化过程”。

除了牙齿和骨骼外,有的动物的粪便也能成化石。例如,有的肉食动物吃肉时是连着碎骨一起吞下的,粪便里有许多没有被消化掉的碎骨,碎骨不容易腐烂,所以也能成为化石。脚印也能成为化石。人或动物踩在泥沙上,造成脚印。泥沙干后,脚印又被另外的物质填满。两种物质都被后来渗进去的矿物质石化后保存下来,但是两种物质的性质不同,软硬不同,容易风化或破坏的程度也不同。一种物质被风化或破坏后,另一种物质便表现为脚印化石。

化石形成的条件

形成条件:

虽然一个生物是否能形成化石取决于许多因素,但是有三个因素是基本的:

(1)有机物必须拥有坚硬部分,如壳、骨、牙或木质组织。然而,在非常有利的条件下,即使是非常脆弱的生物,如昆虫或水母也能够变成化石。

(2)生物在死后必须立即避免被毁灭。如果一个生物的身体部分地被压碎、腐烂或严重风化,这就可能改变或取消该种生物变成化石的可能性。

(3)生物必须被某种能阻碍分解的物质迅速地埋藏起来。而这种掩埋物质的类型通常取决于生物生存的环境。海生动物的遗体通常都能变成化石,这是因为海生动物死亡后沉在海底,被软泥覆盖。软泥在后来的地质时代中则变成页岩或石灰岩。较细粒的沉积物不易损坏生物的遗体。在德国的侏罗纪的某些细粒沉积岩中,很好地保存了诸如鸟、昆虫、水母这样一些脆弱的生物的化石。