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谈天气变化的优美句子

时间:2015-04-28 11:17

为什么心情会随天气而变化

气候体健康响  (1)气候对人的健康绪有不可忽视的影响:我们知道气候对某些疾病是有影响的,如关节炎、心脏病。

气候也会使人心情烦躁。

因此,人们应该掌握这些规律,发挥主观能动性,在心情烦躁时注意克制,有病的人要注意防护。

  (2)湿度对人的影响:下雨天会使人情绪低落,当然,这种不好的情绪有些是因为社会因素。

但研究表明,在湿气重的日子里,有较多的人会得忧郁症;阴天和下雨前的低气压会使学龄儿童坐立不安。

  (3)阳光对人的影响:阳光对情绪确有益处,尤其是在冬天。

在阳光明媚的日子里人们会更乐于帮助别人并遵守社会公共秩序。

但夏季的暑热晴天例外。

  (4)干燥的热风与情绪不佳有何关系:在许多国家,如美国、瑞士和以色列,这种干热的风会增多精神失常现象。

人们的办事效率会降低,反应迟钝并容易发怒。

我们认为这是因为这种风减少了空气中的负离子,负离子对人是好处的,它们可以改善人的脑功能,提高情绪;而正电子却有相反的作用。

有些调查表明,暴雨前人们会异常活跃和兴奋。

我们认为这又是跟空气中带电粒子变化有关,雷电可以增加大气中的负离子,负离子使人欢快。

  (5)大气压的影响:大气压的变化会引起许多健康问题。

当大气压发生变化时,人体内的腔窝扩大,如:气压下降会使窦发生毛病,产生窦炎和窦膨胀;气压升高对人关节有很大影响;气压降低还会使人焦躁不安。

  (6)极冷极热气候对心脏病人的影响:极度的温度,尤其是非常寒冷的天气会使人的心血管系统负担过重。

冬季里死于心脏病的人会比其它季节要多。

因为气温非常低时,血液从皮肤流入体内,心脏要用力拍压血液以保持身体温暖。

所以,寒冷的气候某些费力的活动会增加心脏的负担。

另一心脏病人死亡高峰是在夏天,暑热使心脏跳动加剧,使人排汗增加,并使血压升高。

极冷和极热的气候会使人的免疫系统负担过重,从而削弱人体的抵抗力。

热天会使人极容易染上疟疾之类的传染病。

感冒和呼吸道感染在冬天很常见,这是因为低温消弱了人体的抵抗力。

  (7)什么人对气候特别敏感:少数人对气候特别敏感,但这些人对环境问题如噪音的污染也是敏感的。

比较起来,老年人比年轻人对气候更为敏感,这是因为年纪大的人心血管系统衰弱。

体重也一样,体胖的人在热天觉得很不好过,但体瘦的人在冷天也觉得够呛。

在实验中,男人和女人对气候的反应几乎一样。

  (8)空调器和干燥器的影响:这些设备造成人造室内气候使人避免极冷极热和极湿气候的影响,这是好的。

但空调器吸收了空气中的负离子,这对大脑功能和情绪有不利的影响。

空调器会产生大量的阳离子,在这样的空气中呆八小时会引起头痛。

以往我们认为室内发生的头痛是因为一氧化碳,但现在研究证明阳离子增多也是原因之一。

  在实验中,用离子发生器生产负离子可以提高办公人员的情绪。

负离子空气对人的情绪很有好处。

人们喜欢到山区去旅行的原因之一,是那儿的空气有大量的负离子。

  (9)气候对睡眠的影响:怕热的人在暑天是难以入睡的。

睡眠研究实验发现:当气压高于或低于正常时,人们就感到困倦,其道理如何还待研究。

  (10)什么气候对身心健康是最理想的:气温在21℃上下,最好能有些微风和不太强的阳光。

  人体是准恒温的,为保持体温不变,就要不断向外界排出新陈代谢所产生的热量,使皮肤温度高于外界温度。

当气温接近皮肤温度时,散热就不畅,会产生不适感,这时人体会增加汗液,用蒸发散热形式释放热量。

据研究认为,一般气温为30—32℃、相对湿度为85%或气温为38℃、相对湿度为50%或气温为40℃、相对湿度为30%左右时,人的体温调解能力就会发生困难,以致中暑。

  1997年夏季,长江以北大部分地区季平均气温偏高1—2℃,其中华北、东北大部分以及西北东部和新疆西部的部分地区6月中旬至8月下旬的平均气温突破了1949年以来的同期最高值。

  据有关单位的不完全统计,仅7月10日前,北京市就有180余名交通民警中暑。

高温期间,各大医院的病人急剧增加,友谊医院的急诊病人比往年同期增加1\\\/3,重病患者增加2—3倍;儿童患感冒发烧、热伤风和肠道疾病的较多,儿童医院门诊量日最高达4500多人。

酷热天气使许多人涌向游泳场所和自然水域去消暑,据8月上旬统计,北京市因游泳溺水死亡达50多人。

  人体疾病的发生发展常与季节性气候变化有关。

春季天气以多变为特征,常有搣倒春寒攠和风沙天气发生。

这个时期是呼吸道传染病的高发季节,感冒、风疹、水痘、麻疹、流脑、猩红热等疾病时常流行,中、老年人心肌梗塞的发病率也非常高。

乙型脑炎多发于夏秋季;霍乱、痢疾等肠胃病则多发于夏季。

  根据近年来上海市的研究发现,人的死亡率高低与季节变化有一定关系。

深秋以后,死亡人数急剧增加;冬季为死亡人数的高峰,最冷的2月比5、6两个月多2倍。

日平均气温在15-25℃之间死亡减少,但在炎夏的热浪袭击下,特别是在日最高气温达35℃以上时,死亡人数又骤然增加。

这些研究结果表明,季节性的气候变化和剧烈的天气变化对人体的健康确实有很大影响。

  现代科学研究证明,人们可利用有利的天气、气候条件来治疗疾病,这便是常说的气候疗法。

如山岳气候疗养、海滨气候疗养、沙漠气候疗养、森林气候疗养等。

患者可对症选择疗养胜地。

  我们知道了天气、气候与人类健康关系重大,因此掌握天气、气候的变化是十分必要的。

第一适时增加衣服,调节好人体对天气变化的适应能力;第二患者可提前服药,防患于未然;第三要避免流感诱发其它疾病。

总之,加强锻炼,提高身体素质,避免其对人体的不利影响,是大家保持身体健康的重要途径。

  气候变化对人类人体健康有直接或间接的影响。

气候变化引起的热浪、洪水、暴风雨等天气、气候异常事件和海平面上升等,直接影响人类的健康和生命,同时气候变化还会影响淡水资源的供应,加重空气污染,对健康产生间接的影响。

更为重要的是,气候变化可引起生态和环境发生相应变化,导致全球生态系统功能的失衡。

随着全球气候变暖,疟疾、登革热等通过昆虫传播的疾病将可能秧及世界人口的40%~50%,极大地威胁人类的健康和日常生活。

在高温与高湿地区,气候变暖可能造成蚊蝇孳生,增加霍乱病、疟疾和黄热病等流行病的发病率,同时因温度和降水区发生系统性变化,可能从根本上改变病媒体传播的疾病和病毒性疾病的分布,使其移向较高纬度地区,致使生物病因疾病如疟疾、血吸虫病、锥虫病、黄热病、鼠疫、霍乱等一系列疾病的流行范围扩大等,使更多人口面临疾病危险

好天气和坏天气给我们的启示是什么

最近我读了一篇故事,故事的题目是《好天气坏天气》。

这篇故事主要讲了一个老奶奶和她的两个儿子的故事。

老奶奶的大儿子是卖果脯的,因为要晒果脯,所以喜欢晴天。

老奶奶的小儿子是卖雨伞的,因为下雨可以多卖雨伞,所以他喜欢雨天。

有一天老奶奶正坐在院子里发愁,一位老爷爷走过来说“你为什么发愁呢

”老奶奶唉声叹气地说:“晴天我的小儿子不能卖雨伞,雨天我的大儿子不能晒果脯,唉真烦人啊

”老爷爷说“你就不能反过来想一下吗

雨天的时候你该高兴,因为小儿子可以卖雨伞;晴天的时候你也该高兴,因为大儿子可以晒果脯啊

”老奶奶一想突然高兴起来。

从此老奶奶天天都很快乐。

这篇故事告诉我们,原本是件不开心的事情,换一个角度思考,这件不开心的事就会变成开心的事。

我们要变换思路去看问题,才能开心生活每一天。

写一篇关于气候变化给鸟带来的危害英语作文带翻译

范文毕竟是别人的,要学会利用其中的好句子,句型,不要照抄,底下是我找的一些,你来晚了一小步,我刚考完中考,电脑里储存的英语学习资料都詧除掉了,中考其实作文并不太难(安徽的),单词一定要背完背熟。

还有能不呢不过提个意见,“15分呐”...说那么夸张,口气像是150分:-)英语中考作文焦点——以环保话题 今年几个世界大国首脑都参加了“八国峰会”,这次的主题是世界经济、能源问题和气候变化。

经济发展离不开环境话题,能源使用必然污染环境,而气候变化就是经济发展和环境问题矛盾的产物。

广西的城乡清洁工程表面就是环境整治问题。

学校的两基工作从某种意义上来说其实就是学校环境改变没有。

2008年北京奥运会也离不开环保这个主题。

八荣八耻也有部分内容是关于环保主题的。

总之,环境保护是当今世界难题。

因此,中考的内容离不开以下这些范文要点,而且都是记叙文形式,有些句子相当有用,不论什么作文,都可以从下列文章选出相应句子,只需稍微改一下地名或主语,尽量减少语法错误,起码有4、5分是正确的。

如:Throw the waste here and there(到处乱扔垃圾)变成Don~t throw the waste here and there.(不准乱扔垃圾)。

“应该”变成“不应该”等等。

我想中考作文完全可以取得高分。

比如:作文题:1、职业:将来想干什

或者你的爱好是什么

(或者题目是:毕业之后)你可以写将来做一个环保注意者,如何做

做什么。

2、如果题目是写我的班级、学校、家乡之类的更加可以谈到环保情况(讲现象,有好有坏,如何去改变

有什么措施

如何的美

)3、如果是写为什么北京有沙尘暴、为什么今年有些省份干旱少雨

为什么有些省份洪涝灾害严重。

那就是环境破坏问题。

因此关键最后几天最好能背熟这些范文。

尽量围绕环保展开主题,通过过渡句和环保扯上联系。

比如:(过渡句)The most important question in the world today is pollution .(当今世界最重要的话题就是污染问题。

) 范文提示 1) It’s our duty to save water(节约水是我们每个人的责任。

) As we know , water is very important to man, (我们知道,水对人类来说是非常的重要。

)we can’t live without water. (没有水我们就不能生存。

)The amount of water which is suitable to drink is less and less. (适合人类喝的水是越来越少了。

)But some people don’t care about it .(但是有些人却不关心或不在意。

)They waste a lot of water in their daily life. (日常生活中他们浪费很多水。

)Even worse, they pour dirty water in to rivers.(更糟糕的是他们排放污水到河流里。

) They throw rubbish into rivers , too. (他们还乱扔垃圾到河流理去。

)Many rivers and lakes are seriously polluted.(很多河流湖泊已经受到严重污染。

) Something must be done to stop the pollution. (人类必须采取一些措施来制止污染。

)Only in this way can we live happily.(只有这样,我们才过得幸福开心。

) If we don’t save water, the last drop of water will be a tear-drop of us.( 如果我们不节约水,那么最后一滴水也许会是我们人类的眼泪) 2) Planting trees Trees are very helpful and important for us. (树对我们人类是多么的重要和有用。

)We should plant more and more trees in order to live better and more healthy in the future. (为了将来我们的生活过得更好、更加健康我们应该种更多的树。

)It’s everyone’s duty to love and protect the environment.(爱护和保护环境是每个人的责任和义务。

) 3) 旅游介绍 预览摘要: 北京奥运会期间,有一大批外国人来北京参观。

假设你是导游,请根据以下内容,向外宾简单介绍北京的情况。

要求: 1. 100 词左右; 2. 要点包括: a. 有悠久的历史b. 有许多名胜古迹 Ladies and gentlemen,(女士们、先生们) Welcome to BeiJing, now let me introduce Beijng to you.(欢迎到北京,我来介绍北京给大家。

) Beijing is a city with a long history. It is in the north of China. It has a population of 13,240,000.(北京是一个历史悠久的城市,它位于中国的北部,人口13.240.000) There are many places of interest in Beijing, such as the Summer Palace and so on.(北京有很多名胜古迹,象颐和园等等。

) The Great Wall is a beautiful place.( 长城是个漂亮的地方。

).There is a saying that he who has never been to the Great Wall is not a true man. (有句谚语说:不到长城非好汉)The water in Miyun Reservoir is clean and not polluted. (密云水库的水很干净没有受污染。

)There are all kinds of fish in it. (里边有各种各样的鱼。

)You can go boating, go fishing and have a picnic there.(那里你可以划船、钓鱼或者野炊。

) It is really a good place to spend your holiday. (那里真是个度假的好地方。

)Besides, you can go and visit Beijing Museum. (此外,你还可以去游览北京博物馆。

)There you can see a lot of dinosaur egg fossils.(那里你可以看到很多恐龙蛋和化石。

) I hope you can enjoy yourselves in Beijing.(我希望大家在北京玩得开心快乐。

) Thank you.(谢谢) 4)、近日,你班在“知荣明耻” “八荣八耻大家谈”教育活动中,召开了一次关于学生荣辱观的主题班会。

存在的问题1.不尊敬老师、家长等。

2.学习散漫、考试作弊等。

3.乱扔垃圾、污损环境等等。

Recently we have held a class meeting to discuss what is considered to be honorable behavior and what is shameful. (最近我们班开了个班会讨论什么是光荣和耻辱。

)It is really a pity to see all this in our school.(很遗憾在学校看到这些现象)Some students don’t respect their teachers or parents. (不尊敬老是和父母)Some don’t take their studies seriously and cheat in exams. (作业不认真,考试作弊)Some throw wastes everywhere and pollute the environment . (到处乱扔垃圾污染环境。

)It is honorable to obey the law and rules , care much about our class and study hard.(关心班级、努力学习、遵纪守法是光荣)It is shameful to break school rules, to be selfish or to make little effort to achieve success.(违反学校纪律、自私 骄傲是可耻的)We should respect others and think more of them than of ourselves.(我们应该尊敬别人经常关心别人)We should work hard and make much more progress to repay the society.(我们应该努力学习取得更大进步从而回报社会。

)We should try our best to keep the environment clean。

(我们应该想方设法保持干净的环境。

) 人与环境是和谐相处的,我们生存在地球上,人是自然之子,而不能仅把人看作自然的征服者,大家都知道,人类只有一个地球,地球上的山山水水、动物。

植物是人类的细胞,如果我们把它损坏了,破坏了大自然的组织,等 于消灭人类。

因此,环境要与社会公德联系起来,与实践行为作为人格教育的一项重要内容来抓。

每个人都要履行保护环境的责任和义务。

Harmony with the environment is that we live in on Earth, who is a natural son, and not only to natural persons as the conqueror, as we all know, there is only one earth and the mountains on Earth, the animals. Plant human cells, if it damaged, destroyed nature organizations, to the eradication of mankind. Therefore, the environment must be linked with social ethics, character education and practice acts as an important element of it. Everyone must fulfil its responsibilities and obligations to protect the environment. 保护我们的城市(Saving Our City) It is very important to deal with the rubbish in cities. Rubbish must be thrown away or reused properly. Or it may cause a lot of problems. It may pollute the air and water. People may get ill when they breathe the polluted air or drink the polluted water. Our city has started to face the problem. Some rubbish is sorted and sent to a certain place .Waste gas is cleaned before it goes into the air. Waste water is also cleaned before it is poured into rivers. People should be prevented from throwing rubbish everywhere. We should try our best to take care of our environment and fight against pollution. 保卫地球(Saving the Earth) As time goes by, man is making the earth sick. People cut down too many trees and leave rubbish everywhere. Factories let out their waste without doing anying to it . This has cause some serious problems. Such as the land is sandy, the river is dirty, the air is less clean, even the temperature of the earth is rising. What should we do to save the earth My suggestion is that we should plant more trees, put rubbish into dusbins and stop factories pouring waste directly into the air or rivers. In all, we have only one earth, we should do our best to protect it, or we will regret. 如何保护环境(How to Protect the Environment) Good environment can make people feel happy and fit . To improve the environment means to improve our life. We should plant more trees and flowers around us . We shouldn’t cut them down . We should stop factories from pouring waste water into the river and waste gas into the air. Whenever we see litter on the ground , we should pick it up and throw it into dusbins. Never spit in public. Don’t draw on public walls. It’s our duty to protect the environment. 环保(environmental matter) The environmental matter is a hot topic nowadays. Not only does it affect our health, it also has a great impact on our future. Due to lacking of environmental concepts, people''''s health has been greatly affected by air, noise and water pollution. In order to live a better life, we need a cleaner world. We should now be concerned for environment by creating a better future for our next generation. In conclusion, the environmental matter is an important issue that directly affects very human in the world! 关于环境保护(水资源节约)的话题 Our environment is very important for our lives . We need the fresh air, the clean water and so on . In the past, there were many trees around us ,the air was fresh and the river was clean.But now,people cut down many trees. Air pollution and water polloution are very serious . The environment around us becomes very terrible . We should protect our environment. First, we should plant many trees to keep water. Second , we can ride a bike or walk to the school and work.. Third , we shouldn’t throw the dirty water into the river . Fourth, we shouldn’t use the plastic bags. Finally, we can ask more people to join us. 中考英语作文范文——中学生适当的放松方式 中学生学习时间长、压力大,专家建议学生每天课后应采取适当的方式放松自己。

某英文报“学生习作”专栏正在就“学生适当的放松方式”这一话题进行征文。

假设你是二十二中初三(3)班的班长,最近你对班上同学课后放松方式进行了调查。

请根据表格提供的调查信息和要求写一篇短文向该报投稿。

对 象 二十二中初三(3)班 人 数 60人(男:31人;女:29人) 常用放松方式 1.看电视(30人) 2.玩电脑游戏(12人) 3.听音乐(8人) 4.进行体育锻炼(5人) 5.没有时间放松(5人) 你的观点 哪一种(些)放松方式是适当的

为什么

注意: 1.短文包括对调查相关信息的介绍和你自己的观点; 2.词数:80-100。

题目和开头已为你写好,不记入总词数。

The Proper Way(s) for students to Relax I am the monitor of Class 3,Grade3,No.22Middle School.Recently I have made a survey of the students in my class on ways to relax after class. There are 60 students in my class(31 boys and 29 girls ).Different students have different ways to relax.Half of the students often watch TV.12students like to play computer games while 8 enjoy listening to music.5 students think doing sports is a good way and another five are busy to relax. (As we study too long every day and suffer from too much pressure,every student should choose proper ways to relax.In my opinion, watching TV or playing computer games is not a proper way to help us relax.)I thing taking exercise is a proper way because it can rest our brains and eyes. Besides,It can help improve our health.(Therefore,I often Play pingpong after class.It’s really helpful to both my health and my study.) 中考英语作文范文——体育运动的好处和坏处 体育运动的好处和坏处(Positive and Negative Aspects of Sports) a. 体育运动的好处 b. 体育运动可能带来的副作用 c. 我参加体育活动的体会 Sports do us good in many respects (TS). It goes without saying that taking exercises can build up our physical strength. In collective sports like basketball, volleyball, or football, we will learn the importance of cooperation. While taking part in sports game, we will try our best to win and arouse ourselves the competitive spirit. Sports can also help us relax after a period of exhausting work. However, as the saying goes, there are two sides to everything, and sports is without exception. We may hurt other players or ourselves if we are not careful enough when participating in sports activities. What''s more, excessive or severe training can do harm to our health. My participation in sports tells me that sports can make us healthy both physically and psychologically. It is also a good way for people to know each other and can promote friendship between people. So long as we are carefully enough, sports can do us nothing but good. 中考英语作文范文——北京之旅(A Trip To Beijing) On July 5th my parents took me to Beijing. We stayed at Huabei Hotel. On the first day, we went to the Great Wall. The Great Wall is very long and old. It has millions of bricks. Each brick is very big and heavy. Lots of people from different countries like climbing the Great Wall. We felt very tired when we climbed to the top of the Great Wall. We also went to the Palace Museum. The Palace Museum has 9999 palaces. It has a very long history. I bought a lot of souvenirs of the Palace Museum. What nice palaces these are! I visited the Palace Museum and felt excited. If you want to know more about the Palace Museum, you can go to Beijing and have a look. The following days, we went to the Summer Palace, Tian Tan, North Lake and Xiang Hill. I now know more about the history of China. I also like modern Beijing. The 2008 Olympic Games will be held in Beijing. Later, I went back with my parents by train. I really enjoyed the trip to Beijing 中考英语作文范文——坚持你的梦想 坚持你的梦想(Hold to Your Dreams) 提纲: 1.坚持梦想才有可能实现它。

2.举例说明。

Everyone has his dreams, but not all these dreams can come true. People give up their dreams for this or that reason. Those whose dreams become true have at least one thing in common, that is, they always hold fast to their dreams. Marie Curie, a famous scientist, has set a good example. In 1898, Marie found a new element in the pitchblende. In order to prove her discovery, she must get it and show it to the world. Then to get the new element became her dream and goal of her life. After four years'' hard work and refinement of tons of pitchblende, Marie and her hus-band at last saw the dim blue light of the new element -- radium. Her dream had come true. There are many other examples. Just around us, for instance, the athletes who gain the gold medals, the artists who are popular with the public, and even the students who enter tile university after years of hard study and preparation, are all dream-holders. Hold fast to your dreams, no matter how big or small they are. The path to dreams may not be smooth and wide, even some sacrifices are needed, but hold on to the end, you ,sill find there is no greater happiness than making your dream come true. 中考英语作文范文——我爱我的家 根据中文意思和英文提示词语,写出意思连贯、符合逻辑的英文文段。

所给的英文提示词语必须都用上;中文提示内容不必逐句翻译;根据英文提示,每组所写出的句数不限。

(共12分) 几年以前我家只有一间小屋。

三个人住一间屋真是艰难。

现在我们已经搬进了一套两室一厅 的单元房。

我非常高兴。

当我父母做. . . , 我能. . . 。

我爱我的家。

1. a few years ago, family, have one small room 2. it, be, three people, in the same room 3. now, a new flat(单元房), one living room, two bedrooms 4. be happy, my homework, quietly, my own room, my parents A few years ago, my family had only one small room. It was very hard for three people to live in the same room. Now we have moved into a new flat with one living room and two bedrooms. I''m very happy. I can do my homework quietly in my own room when my parents do the housework or other things. I love my home. 中考英语作文范文--我的家乡 请你根据下面的提纲,以“我的家乡”为题,写一篇100—120字的短文。

提纲: (1) 家乡的地理位置; (2) 解放前的情况; (3) 解放后的变化; (4) 对家乡的感情。

My Home Town My home town is a beautiful place. It stands beside a wide river and is rich in fish and rice. But in the old days it was a poor and backward little town. Many people had no work. They lived a hard life. In 1949 my hometown was liberated. Since then great changes have taken place there. The streets have been widened. Factories, schools, hospitals, cinemas and theatres have sprung up one after another. The life of the people is greatly improved. I love my hometown. All the more I love its people. They are working hard so as to make it still richer and more beautiful.(网络资源 ) [责任编辑:yumiao]

关于描写春夏秋冬的优美的句子各5句不要太长也不要太短,(不少于10字)(不大于40字)谢谢~快点

的春天是令人欢欣鼓舞的,虽然还是冷飕飕的,却感到美滋滋的,也在茁新的希望的幼芽。

春天随着气温的变化,有早春、仲春、暮春之分。

怎样描绘春景呢

可以写春天的太阳,新生的绿草,含苞待放的桃树,发芽的杨柳,报春的燕子,北飞的鸿雁,消融的坚冰等等,总之,大自然的一切似乎都在复活、苏醒。

早春季节,冬天的严寒渐渐开始退出,太阳的暖流融化了岩石上的冰层,滴下第一个粗大晶莹的水珠,宣告了春天的到来。

春天,山坡的朝阳处雪开始融化,慢慢地露出黄黑色的地皮;雪水滋润着泥土,浸湿了去年的草楂;被雪盖着过了冬眠的草根苏醒复活了,渐渐地倔强有力地推去陈旧的草楂烂叶,奋力地生长起来。

与此同时,去年秋天随风摇落下来的草木种子,也被湿土裹住,在孳殖着根须,争取它们的生命。

山的背阴处虽然还寒气凛凛,可是寒冷的威力已在渐渐衰弱。

朝阳处的温暖雪水顺着斜谷流过来,融化了硬硬的雪层,开始冲开山涧溪水的冰面。

巨大的冻结在岩层上的瀑布也开始活动了,流水声一天比一天响起来,最后成为一股汹涌的奔流,冲到山下流进河里,河中的冰层就喀嚓喀嚓裂成碎块,拥挤着向下流淌去,河面突然变得宽阔了,河水涨高了,水波飞溅,冲击着顺流而下的船只。

这时,报春的燕子往来梭巡,空中充满了它们的呢喃的繁音;新生的绿草,笑迷迷地躺卧在大地上,像是正和低着头的蒲公英的小黄花在绵绵情话;从渗透了水分的耕地里,到处可以闻到一种潮湿的、发酵似的气息。

无数嫩绿的新芽像针尖似的探出头来,仿佛张着小嘴在那里呼吸,在阳光下闪闪发亮;杨柳开始发芽,在春风中摆动着柔和的枝条;桃园里、赤条条的桃树枝上已经有了含苞待放的蓓蕾;金灿灿的迎春花像一张张笑脸,兴高采烈地向人们报告春天来临的喜讯;鸿雁北飞,如朱熹《次韵择之进贤道中漫成》诗所说:“据鞍又向冈头望,落日天风雁字斜”;长腿长嘴的白鹤、青鹳和鹭鸶,都钻到稻田的水渠里,埋头捉小鱼和虫子吃了。

老舍在《四世同堂》中描绘了春天的太阳:新春的太阳还不十分暖,可是一片晴光增加了大家心中的与身上的热力。

“海”(指北京的北海)上的坚冰微微有些细碎的麻坑,把脚下的黄土都弄湿,发出些亮的光来。

背阴的地方还有些积雪,也被暖气给弄出许多小坑,像些酒窝儿似的。

除了松柏,树上没有一个叶子,而树枝却像柔软了许多,轻轻的在湖边上,山石旁,摆动着。

天很高很亮,浅蓝的一片,处处像落着小小的金星。

这亮光使白玉石的桥栏更洁白了一些,黄的绿的琉璃瓦与建筑物上的各种颜色都更深,更分明,像刚刚画好的彩画。

小白塔上的金顶发着耀眼的金光,把“海”中全部的美丽仿佛都带到天上去。

老舍写春天的阳光“增加了大家心中的与身上的热力”,春天,在阳光中,“天很高很亮,浅蓝的一片,处处像落着小小的金星”,阳光使白的“更洁白”,使黄的绿的各种颜色都“像刚刚画好的彩画”。

这一切人间的美景,通过阳光仿佛都要“带到天上去”,真是明媚而绚丽。

早春时节,冰雪刚开始消融,人们还有春寒料峭的感觉,仲春的天气就转暖了些,仲春是春季的第二个月,即农历二月。

那时,南方迷人的春天慷慨地散布着芳香的气息,大自然五彩缤纷:青草如绿波,桃花如人面红,葵花金灿灿,玉兰花洁白无暇。

杜鹃在芒果树的枝头,用它那圆润、甜蜜、动人心弦的鸣啭来唤醒人们的希望。

成群的画眉像迎亲队似的蹲在枝头。

桃树、梨树都仿佛被自身的芬芳熏醉了,芒果花开得像满天繁星一样。

真可以说是鸟语花香的世界。

北方的仲春,海棠花也快开齐了,蝴蝶们还很弱,但小蜜蜂一出世就四处飞,觉得世界确实甜蜜可爱。

燕儿们飞来飞去,远看过去,好像在给白云钉小黑丁字玩呢。

柳枝轻摆着,像是逗弄着四外的绿意。

暮春时节,天气更暖和了。

田里到处是热闹的蛙鸣;黄鹂、杜鹃悠徐地发出婉丽的啼声;茁壮的秧苗青翠欲流;堤上的杨柳,已经把鹅毛似的飞絮漫天漫地的洒下来;蓝湛湛的天空像空阔安静的大海一样,没有一丝云彩,空气湿润润的,呼吸起来感到格外清新,在阳光下,万物都像重新涂过各种颜色的油漆,显得一切都是新生的。

《春香传》中曾这样描绘过迷人的春色:“不觉间,已到三春时候,杂花生树,飞鸟穿林。

春色怡人谈复浓,南山花放北山红,杨枝吹做千条线,唤侣黄鹂弄晓风。

只见那百花深处,杜鹃成群,飞来飞去,争鸣不已,把春光点缀得十分熟透。

真是一年好景,旖旎风光。

”这是一幅何等美丽的

气候变化谈谈你的看法

我认为,造成气候变化的主要原因是人为的。

由于人们对打自然的豪夺,破坏了大自然的生态平衡,比如,乱砍乱伐森林,造成水土流失、土地沙化,致使气候变恶劣人们遭受洪灾、旱灾、沙尘暴等的危害;又如,工厂的增加、汽车排放大量废气,致使大气变暖,对地球生物都会受到一定的影响;等等。

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