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高二年级英语作文【汇集20篇】

篮球,一开始我并不喜欢——因为我觉得他们在操场上跑来跑去,只不过是为了抢夺一个球,然后把球扔到篮筐里罢了。所以觉得篮球很无聊。接下来是小编为您整理的高二年级英语作文,希望对您有所帮助。

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我的理想英语年级

全文共 1060 字

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What are you going to do when you grow upWhen I was a child, people often

asked me this question about the ideal. Undoubtedly, every individual,

especially a young person, should have an ideal. Hardly can we find any great

people we know ideal when they were young.

An ideal is a vital importance to ones growth and success. On the one hand,

an ideal is the target of ones life. Once you decide what your ideal is, you

know where to go, and which way to take. Otherwise, you might become puzzled in

many things in your life. On the other hand, an ideal is like the engine of

vehicles. Only when we have our own ideals, can we find the origin of energy and

enthusiasm in life, and become active and perseverant. Whatever your ideal is,

careful plan and preparation is vital to its realization. Of course, the path

from where you are to where you want to get is not always smooth and straight.

Therefore, an optimistic, positive mind is indispensable in the process of your

persevering your ideal.

In a word, only if you have an ideal, you will have the chance of realizing

it.

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更多相似作文

篇1:初一年级期末英语作文我的老师

全文共 1908 字

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Someone says: are you a silkworm, spit of the continuous filament and die. Someone says: you are the candle, to the best of the last drop of tears to illuminate the dark night sky; Someone said, you are the morning dew, often before dawn, moistens the land silently all things... You, is my respected teacher, non-existent.

Non-existent with tall, round face, with two arch eyebrows on his forehead, under the arch eyebrows with a pair of bright and sharp eyes, she has a plausible mouth, a smile, mouth petal meniscus as quiet.

Non-existent at ordinary times is very strict with our requirements. Each lesson learned to write the book of copying, will ask us to write the word is very good, to write bad words will never let go, until it is written. Words because some students in our class wrote too fast and some bad, non-existent will let them change to come over, we all have greatly improved.

Non-existent also care about us. Remember once, I was a bit uncomfortable, go to the clinic under temperature, amount of 37.5 degrees, non-existent just said to me: "if uncomfortable, he said to the teacher, the teacher will and parents said." Non-existent for we really care about.

Teacher, I salute you! Is that you get ignorant we into the space of knowledge, sowing love with you that like the sound of a song! Like a candle, burn yourself, you give we lit the fire of hope, with your persistent enthusiasm to guide us to open our science maze! Thank you, teacher!

有人说:你是春蚕,吐不尽那绵绵的细丝至死方休!有人说:你是蜡烛,洒尽最后一滴泪去照亮漆黑的夜空;还有人说:你是朝露,常在黎明到来之前,默默地滋润着大地万物……你,就是我敬爱的老师——汤老师。

汤老师长着高高的个子,圆圆的脸蛋,额上长着两道柳眉,柳眉下嵌着一双明亮而又锐利的眼睛,她还有一张能说会道的嘴巴,一笑起来,嘴瓣儿像恬静的弯月。

汤老师平时对我们的要求很严格。每次学完课写《习字册》的时候,都会要求我们把字写得非常端正,对写的不好的字决不放过,直到写好为止。班里有几个同学的字因为写得太快而有些不好,汤老师就会让他们改过来,使我们都有很大的提高。

汤老师还很关心我们。记得有一次,我有点不舒服,去医务室量了下温度,37.5度,汤老师就跟我说:“如果不舒服,就跟老师说,老师就会和家长说的。”汤老师对我们真的非常关心。

老师,我向您致敬!是您把懵懂的我们领进知识的太空,用您那如歌的声音把爱播种!您像蜡烛一样燃烧了自己,给我们点燃希望的火种,用您那执著热情指引我们打开科学的迷宫!谢谢您,老师!

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篇2:高二优秀英语

全文共 821 字

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My mother is a virtuous wife and good mother.She has medium height and

beautiful face.She is a generous,good natured and warm-hearted woman.She looks

like actor Zhong Li Ti.

My mother has retired now.She lives on pension/social welfare and lives

with us.She is good at cooking,often treat us lavish dinner,consisting of

different dishes form various provinces.I like eat my mother dishes very

much.

She likes watch TV.My mother and I like to visit relatives

together.Sometimes we go shopping together.

When I have trouble that she always encourage me to do our best,she used to

say “It don’t matter if you win or not.The important thing is to do your best

and keep going”.

East,West,Home is the best.I wish my mother has a happy life every day.I

love my mother.It is a Chinese tradition to respect the children and support the

elderly.

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篇3:小学二年级的英语作文

全文共 331 字

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那是我第一次过圣诞节,朋友带我去参加圣诞舞会,在舞会上我们跳舞、唱圣诞歌,我也认识了一些其他朋友,我们相互交换礼物并互道祝福,我过得很愉快。

That was the first time that I celebated Christmas Day。 My friend aksed me to take part in Christmas party. At the party we danced and celebrated with carols. I knew some new friends. We exchanged gifts and said best wishes to each other. I had a pleasant time.

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篇4:初一年级英语作文:Spring Festival

全文共 680 字

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Far and away the most important holiday in China is Spring Festival, also known as the Chinese New Year. To the Chinese people it is as important as Christmas to people in the West. the dates for this annual celebration are determined by the lunar calendar rather than the GREgorian calendar, so the timing of the holiday varies from late January to early February.

To the ordinary Chinese, the festival actually begins on the eve of the lunar New Years Day and ends on the fifth day of the first month of the lunar calendar. But the 15th of the first month, which normally is called the Lantern Festival, means the official end of the Spring Festival in many parts of the country.

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篇5:字英语年级

全文共 898 字

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My face looks like a castle room, but the inside is always very chaotic,but

I still like my own room.

My favorite room in my reading, writing, listening to music, doing things

they like, but also be free fantasy. Whenever the after school came home, I

burst into the room, forcing the less than special greeting to the dolls are

their comfortable in her arms sitting desk, and singing songs. replaced by large

casual wear, the pressure of schoolwork all disappear without a trace.

In addition, the room is my sister’s secret base in chatting, my mother

often in the window watching us happy along the probe, and the sum of us

laughing in unison, sometimes playing with playing with toys on the chaotic, but

I am still feel that this is a warm paradise.

I really liked our room, even if not always greasy with Xian Fan, it is

always quiet and free of waiting for me, I wish I could always be together, and

it is.

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篇6:小学二年级英语作文:我的好朋友Mygoodfriend

全文共 517 字

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My good friend

我的好朋友

I have a good friend. She is a beautiful girl. She has long black hair, two big black eyes and a red mouth. Her voice is better. She is good at singing.

She is a clever girl. She likes reading books , playing computer games and chess. She is also nice. She often helps us . Our classmates like her very much..

Can you guess her name? She is my good friend -Xu jiaojiao.

【参考翻译】

我有一个好朋友。她是一个美丽的女孩。她有着长长的黑发,两只大黑眼睛和红色的嘴。她的声音更好。她擅长唱歌。

她是个聪明的女孩。她喜欢看书,玩电脑游戏和国际象棋。她也不错。她经常帮助我们。我们班的同学非常喜欢她..

你能猜出她的名字?她是我的好朋友,徐娇娇。

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篇7:机器人的危害英语高二作文

全文共 1361 字

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With the development of science , more and more people are confused that whether it is good or bad to make robort. Are roborts going to take place of human beings.

Every coin has two side. Robort can be good to our society and life. At the same time,it also have some bad effect on our life.In my opinion, the advantages of robort are much more than the disadvantage of roborts.

First, roborts make our life more convenient. We can do many thing that we didnt have the ability to do in the past by using roborts.That makes our life more effective.

Second, roborts can be used in industry produce. Factories can reduce the cost of prodution by using roborts. Roborts do not need to eat and they will not be ill. Thats very good for producing goods.

Third,roborts can save more people when disaster happens. Because they cant feel pain and they can save more people without feeling tired.

In a word, the world is changing .We should also change our thought to accept roborts to become part of our life . That can make our life more colorful.

【参考译文】

随着科技的发展,越来越多的人都感到困惑,是好是坏机器人。是机器人将取代人类。

每个硬币都有两面。机器人可以很好的为我们的社会和生活。同时,它对我们的生活也有不好的影响。在我看来,对机器人的优点远大于缺点的机器人。

首先,机器人使得我们的生活更方便。我们能做的,我们没有做过去用机器人的能力,很多事情,使我们的生活更有效。

其次,机器人可以用于工业生产。工厂可以通过降低生产成本的机器人。机器人不需要吃饭,他们会不会生病。这是非常好的生产商品。

第三,机器人可以挽救更多的人,当灾难发生时。因为他们不能感到痛苦,他们可以拯救更多的人而不觉得累。

总之,世界在变化,我们也应该改变我们的思想,接受机器人成为我们生活的一部分。这可以使我们的生活更加丰富多彩。

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篇8:高二年级关于平安夜的来历的作文

全文共 1352 字

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平安(silent Night),又称圣诞夜(Christmas Eve),即圣诞前夕(12月24日),在大部份基督教社会是圣诞节日庆祝节日之一。圣诞夜传统上是摆设圣诞树的日子,但随着圣诞节的庆祝活动提早开始进行,例如美国在感恩节后,不少圣诞树早在圣诞节前数星期已被摆设。

由来

传说耶稣诞生的晚上,在旷野看守羊群的牧羊人,突然听见天上传来了声音,告诉他们耶稣降生的消息。根据《圣经》记载,耶稣来到人间,是要作人世间的王,因此天使便透过这些牧羊人把消息传给的人。

后来,人们就仿效天使,在平安夜的晚上,到处传讲耶稣降生的消息。直至今日,就演变成报佳音这个活动。

传统庆祝

基督教

平安夜基督教会中,平安夜这天,每家按传统都要摆放一棵圣诞树。当晚,全家人团聚在客厅中,围在圣诞树旁唱圣诞歌曲,互相交换礼物,彼此分享生活中的喜怒哀乐,表达内心的祝福和爱,并祈求来年的幸福。

还有不少基督徒会在平安夜参与子夜弥撒或聚会,通常在世界各地的教堂内举行,以表示圣诞日的开始。

天主教

天主教的圣诞期在平安夜开始。除非当日是星期日(参看待降节),守夜的聚会据说是在12月24日早上。然而,在午夜前参加圣诞节的聚会是不被允许的。圣诞季节继续直至1月4日,如当日是星期六,则至1月5日,当主显节(显现日)庆祝时。

其他教会

一些教会则会在晚上较早时间举行烛光崇拜,通常会有耶稣降生故事的话剧表演,亦会享用大餐,一般会有火鸡或火腿作为主菜。德国的传统菜色则是烧鲤鱼。

各地庆祝方式

基督教文化圈

平安夜平安夜亦被认为是圣诞老人及其他地区类似人物,四处向儿童派礼物的时间。在意大利,礼物在平安夜当日早上已开启,而在英国、爱尔兰、瑞典、丹麦、挪威、芬兰、葡萄牙及波兰,圣诞礼物通常在平安夜晚上,或圣诞日早上开启。在德国大部份地区,圣诞礼物则在平安夜晚上(德语:Bescherung)开启。在冰岛,圣诞节在平安夜下午6时开始。教堂钟声会被敲响,人们会与家人一起享用节日晚餐,之后便会拆礼物,一起渡过晚上。在北美洲,大部分家庭会在圣诞日早上拆礼物。对于已离婚的家庭,孩子可能分开两日,与父亲或母亲其中一方庆祝。在西班牙,礼物则要到1月6日显现日(Día de reyes)早上才会被拆。不少传统圣诞故事都在平安夜晚上发生。

非基督教文化圈

日本

在日本,大多数人都信奉传统的神道教以及佛教,圣诞节的宗教气息淡薄,一般人鲜少注意圣诞节或平安夜的宗教意义。大多是年轻人受到商业炒作的影响,将圣诞节等同于礼物交换、狂欢节或是情人节的延伸。年轻人开派对,情侣往往在圣诞夜约会、吃大餐,造成餐厅与旅馆人潮,远多于教堂的现象。

香港和澳门

平安夜中国也非传统基督教国家,然而,香港及澳门在殖民时期分别受到英国及葡萄牙的影响。平安夜是年轻人、小孩子以至所有人都会庆祝的日子。数以十万计的香港市民会到尖东欣赏圣诞灯饰,及到酒店吃自助餐;不少人会在平安夜交换礼物。年轻情侣则会到尖沙咀欣赏圣诞灯饰,开圣诞派对,或到兰桂坊等地狂欢;基督教及天主教徒则会参加报佳音等宗教聚会。

台湾

在台湾,原本只有占人口少数的基督徒以传统方式庆祝,然而近年受到西方文化的刺激,以及日本节目、ACG文化的影响,在年轻人之间兴起了过平安夜的风潮,庆祝的方式除了移植自日本及美国之外,许多地方还会举办圣诞狂欢舞会。

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篇9:初一年级英语作文friendship

全文共 1150 字

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When I was a child,Friendshipis a box of watercolors, graffiti with tender hands out the smiling faces of the innocent colorful, inadvertently wet the paste, oh, its ok to draw a better, more real. Childhood friendship is like a warm fire, are unscrupulous argue, is each other in anger pursed lips, plunder the parcel together sweet popcorn... Friendship is a big candied fruit, whenever taste, are gay. Thats childhood friendship, is one of the crown, naive for jewelry, do tassel romance - so beautiful so pure. This is only the blue sky belongs to the childhood friendship, friendship forever.

Grow up, friendship is a piece of transparent glass, light the lonely heart failure. Broken, is hard to together, can only hide in a corner crying silently, quietly wake up... Where fall where it on their own strong to climb up, thats our footprints of growing up.

小时候,友谊是一盒水彩笔,用稚嫩的手涂鸦出一张张五彩缤纷天真无邪的笑脸,一不小心湿了糊了,哦,没关系再画一张更好更真切的。儿时的友谊像一团热烈的火,是肆无忌惮的争辩,是互相赌气撅起的嘴,是共同哄抢的那一大包甜甜的爆米花……友谊是个大大的蜜饯,无论何时尝起,都是美滋滋的。那是童年时的友谊,是一项皇冠,天真为珠宝,烂漫做流苏——那么美丽那么纯真。这是只属于童年那片蔚蓝色天空的友谊——友谊地久天长。

长大了,友谊是一块透明的玻璃,照亮着失败落寞的心。打破了,就很难再拼凑起来,只能躲在一个角落默默地哭泣,默默地醒悟……在哪里跌倒的就在哪里靠自己坚强地爬起来,那是我们成长的足迹。

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篇10:八年级暑假英语日记

全文共 331 字

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July xx,20xx Sunday

I went to the home for the aged with my friends on July 30th. As soon as the aged saw us, they were all happy. 1.We sang songs and danced for them. Then we helped the worker clean the rooms and washes the clothes. They praised us a lot and said that we were good boys. Although we felt tired, we had a good time.

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篇11:八年级下册英语作文_初二年级英语作文900字

全文共 836 字

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Great changes have taken place in peoples life in the past 20 years .In the past ,people kept in touch with relatives or friends mainly by sending. Letters ,they would listen to the radio for news and other information.Children used to go to school by bicycle .Big families had to share small rooms .

Now people can talk to others by telephone or on the Internet at home .When they are free ,they watch the news and other programmes on Tv .Some families are rich enough to send their children to school in their own cars . More and more people lives in big and bright apear ments with several rooms .

In a word ,people clveletter than before.

【参考译文】

在人们的生活发生了巨大的变化在过去的20年。在过去,人们与亲戚朋友保持联系主要是通过发送。信,他们会听广播新闻和其他信息。孩子们过去骑自行车去上学。大家庭有分享小房间。

现在人们可以在互联网上和他人交谈通过电话或在家里。当他们是免费的,他们在电视上看新闻和其他节目。一些家庭足够富裕,在自己的车送他们的孩子去学校。越来越多的人住在大而明亮的闪光的天际和几个房间。

总之,人们比以前好。

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篇12:2024年高二期末英语满分

全文共 999 字

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Times are changing day by day. Doing the shopping is easier. Most people

are better-dressed and they enjoy modern life.

Girls are changing, too. There are many differences between the older and

younger generations.

I know a twelve-year-old girl, who, to my surprise, has little time to

play. She told me that she dreamt of being a dancer, so she must learn to dance,

play music and so on. Sometimes, she is out of breath under such pressure, but

she can’t stop because modern life is busy.

In addition, I find those girls know more and more. Although they are

little girls, they know how to dress fashionably. Sometimes they look older than

their age, though.

As an older female, I realize that compared with the modern girls, my

generation is less well-educated and takes part in fewer leisure activities. I

realize that we don’t make full use of our time the way they do. Therefore, we

should try our best to value our time and pursue our dreams.

Confident, proud and energetic, modern girls represent new times.

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篇13:高二年级英语作文:摆脱宅男一族

全文共 1020 字

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As the development of Internet, people like to use computer every day, they search the Internet and know more about the instant news.

The Internet also helps people give their own opinion on the hot issues, some new words are created. Zhai Nan is a very popular word, it means the people who are staying at home all the time, they are less going out.

People can buy what they want by the computer and the goods they have bought can deliver to their home. So more and more people are like to staying at home, playing computer or watching TV, they will feel uneasy when communicate to others.

Zhai Nan is not a good word, these people’s lifestyle is not healthy, they should go out more and have the normal activity with others. Getting rid of Staying at home brings people the healthy life.

随着电脑的发展,人们喜欢每天使用电脑,他们搜索电脑,了解更多的及时新闻。

网络也帮助人们,让他们对热点进行讨论,一些新的词汇会被创造。“宅男”就是一个很流行的词汇,意思指那些整天呆在家的人,他们很少出去。

人们可以通过电脑买到他们想要买的,买的产品也可以快递到家里。因此越来越多的人喜欢呆在家里,玩电脑或者看电视,他们和别人交流会感到不自在。

“宅男”不是一个好词,这些人的生活方式也不健康,他们应该多出去走走,和别人进行正常的交流活动。摆脱宅男一族能给人们带来健康的生活。

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篇14:培养自己的兴趣高二英语作文

全文共 651 字

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It’s normal that we all have our own interests and it’s various from people to people. Some people may be interested in sports and some others in music or literature. In short, it’s good for us to have our own interests or hobbies and it means a lot. For one thing, having some interests can bring us a sense of belonging, for it’s your own thing and no one can carry off from you. For another, interest is our best teacher. If you like something, you have the desire to go deep to it. Last, developing interest is a good way to make friends with who have something in common. You can share and be shared, which is an inspiring process and experience.

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篇15:高二关于环境的英语作文

全文共 1157 字

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在花园里、树林里,环境有许多的变化,比如:草变绿了,花变红了,树变多了,水变清了,草变少了,尾气变多了……

In the garden, the forest environment, there are many changes, such as: the grass is green, the flowers red, the trees become more, the water clear, grass less gas, more......

我先去访问了一下姑姑,姑姑说:"我们家前面以前的小花园,花特别多,但在最近,许多花都枯死了,有的已经被摘了,不过有些人还在种树、种花,绿化花园。”

Im going to visit your aunt, aunt said: "before the small garden in front of our house, spend much more special, but in recent years, many flowers withered, and some have been picked up, but some people are planting trees, flowers, green garden."

我再去访问了一下爸爸,爸爸说:"在姑姑家前面的西桥的下面有一条大河,以前那里河水很清澈,像镜子一样。就因为乱丢垃圾、乱排污水、洗涤……因此河水变得很混浊、很黑、很臭,河里的小鱼小虾也无法生存了。”

I went to visit my dad, dad said: "there is a river in front of the aunt of the West Bridge, where before the water is clear, like a mirror. Because littering, indiscriminate discharge of sewage, washing...... Therefore, the river becomes very muddy, very black, very smelly, river shrimp and small fish cannot survive."

我们应该做到保护环境、绿化环境、人人都能关心起来,才能让我们的环境更优美,大自然更加美丽。

We should do Protect environment, greening the environment, everyone can care about, to make our environment more beautiful, more beautiful nature.

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篇16:初三年级英语作文:Wonderful life in winter holiday

全文共 1258 字

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From the sixteenth of January to the seventh of February is our Winter Holiday. I think everybody did a lot of things in the Winter Holiday. But I didn’t. Let you to listen to my story of Winter Holiday.

I spend a lot of time on the homework.. Every day in my Winter Holiday, I always got up late. then I listened to the tape, it was nine o’clock. then I ate breakfast and then I did my homework during the daytime! I’m not very slow but the homework was too heavy!

I’m unlucky on the playing too. I played firecracker but I hurt my finger with the fire. I ‘m careless to kindle the firecracker, so I’m very unlucky.

I still unlucky on my friend’s party. In the morning, I wanted to get up early but I woke up at 10:50. After ten minutes, the party would start! So I only eat a piece of bread then I go to my friend’s home! And I stay at his home for a long time when I came home. My mother and father were very angry and they scolded me!

I’m worried and feel unlucky on my weigh. Last term, I was 48 kilogram but now I am 51 kilogram! I must to do banting!

But most important, I have gone to Shanghai Ocean Aquarium, I want to go there very much because I want to see the horse, the monkey……in the sea. Now I’ve done it . It is a bright dot in my Winter Holiday.

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篇17:My holiday_150字二年级英语作文

全文共 470 字

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After the New Years Day,There is a holiday for our students.I get up very early this morning.

After my breakfast, I help my mom clean the house because Spring Festival was coming. Then I feel I am free for not go to school and see the teachers everyday.Dad say he would take me to the play field agter I finish the homework,I was very happy for that.So,I take the homewoek to my classmats home,I want to write together.

I think it is the happy day for me.How do you think?

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篇18:初二年级暑假生活作文

全文共 495 字

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今天一早,我刷牙洗脸后就走进了厨房。我站在厨房里思考了一会儿,是煮面还是下水饺呢?或者煮汤圆?最后,我决定煮汤圆吃。

我看到灶台上的锅中间黄黄的,就把它拿到水槽中清洗,用钢丝球刷了几次后,水便已经浑浊不堪了。我把水倒掉后又冲洗了好几遍,然后再把水接满,放到灶上开火,就完成了第一步。

在等待的过程中,我突然想到鸡蛋还没煮,就问妈妈:“妈妈,我烧水时没把鸡蛋放下去,要不要紧?”妈妈说:“没事,多煮一会儿就好了。”听完后我从冰箱里拿出4个鸡蛋,把它们拿去水槽轻轻地清洗干净,再把它们放入了锅中。

然后我回到客厅静静地等着,当我再度过去时水已经烧开了。我走到冰箱前,把冰箱的最底层打开,拿出汤圆倒下去了十四个。我再把剩下的汤圆放回了冰箱,回到厨房看时汤圆表面已经变紫了,随后我又回到客厅开始了漫长的等待。

过了一会儿,我去厨房看了下,汤圆已经浮起来了。这时我把火关了,将汤圆与鸡蛋捞了上来。我吃了一口,汤圆外皮硬硬的,但有些还是煮好了的。这次做的早餐失败了,下次加油吧!我在心里默默地鼓励着自己。

这次早餐的汤圆没做好,问了妈妈原因,是因为时间不够,而且将汤圆放下去后没有搅拌,下次我一定会记得这些地方!

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篇19:高二年级关于世界无烟日的英语作文

全文共 2593 字

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Smoke has something for people in poor health, nicotine.

Nicotine in a cigarette can kill a mouse, 25 g of nicotine in cigarettes can kill a few cows, 40 to 60 mg of pure nicotine can kill a person.

The dangers of nicotine is also quite big, it can cause stomach or other stomach disease; Also can make the person causes heart disease cause rhythm of the heart is not straight; The outbreak of serious still can cause cancer.

Cigarettes are hidden in the invisible killer, around us are all should be vigilant.

According to scientists, the chemical composition of tobacco contains hundreds of complex, most harmful to human body, including tar, nicotine, phenols, alcohols, acids, aldehyde is 40 kinds of toxic and carcinogenic substance. Smoke after the fire, smoke, contains the chemical composition of tobacco in all, at the same time than the tobacco itself and added some harmful substances, such as carbon monoxide, tobacco tar and so on. This is because in addition to the tobacco itself, in the process of cigarette made, to add some cocoa in raw materials, liquorice, sugar, glycerin, such as ethylene glycol, moist, taste fragrance and combustion-supporting material. Although these additive itself is harmless, but changed in the process of combustion. For example, in the back of the rat with cocoa after burning smoke oil, can grow skin tumor. Glycyrrhizic acid in glycyrrhiza after burning, with other ingredients, can generate have carcinogenic polycyclic aromatic hydrocarbons. Sugar increased after combustion with tobacco tar, and the product of sugar after combustion is an important carcinogens in tobacco. Glycerin and glycol after the burning of the material, not only can make smokers bladder cancer, and the acrolein inhibits the trachea and cilia secretion from the lungs, thereby increase the chances of suffering from bronchitis and emphysema, and make people with both became seriously ill.

Smoke harm to people is how great! So we cant smoke. Stop smoking, the benefit of future generations.

烟里有一种对人身体不好的东西——尼古丁。

一枝香烟中的尼古丁可以毒死一只小白鼠,25g的香烟里的尼古丁可 毒死几头牛,40至60毫克纯尼古丁可以毒死一个人。

尼古丁的危害也是相当的大,它可以引起胃痛或其它胃病;还会使人引起心律不正诱发心脏病;严重的还可能引起癌症的爆发。

香烟是隐藏在我们身边的隐形杀手,是大家所应警惕的。

据科学家测定,烟草中含有数百种复杂的化学成分,大部分对人体有害,其中焦油、尼古丁、酚类、醇类、酸类、醛类等40种是有毒和有致癌作用的物质。烟在点燃后,所产生的烟雾,包含了烟草中所有的化学成分,同时比烟草本身又增加了一些有害物质,如一氧化碳和烟焦油等。这是因为除烟草本身外,在制成卷烟的过程中,要在原料中加入一些可可、甘草、糖、甘油、乙二醇等调味、湿润、产香、助燃物质。这些添加剂虽然本身无害,但在燃烧过程中却起了变化。例如,在鼠背涂上可可燃烧后产生的烟油,可长出皮肤瘤。甘草中的甘草酸在燃烧后,与其他成分化合,可生成有致癌作用的多环芳烃。糖与烟草一起燃烧后增加了焦油量,而糖燃烧后的产物是烟中的一个重要致癌物。甘油和乙二醇在燃烧后的物质,不但可能使吸烟者患膀胱癌,而且所产生的丙烯醛可抑制气管和纤毛分泌物从肺内排出,从而增加患气管炎和肺气肿的机会,并使患有这两种病的人病情加重。

烟对人的危害是多么大啊!所以我们不能吸烟。杜绝吸烟,造福后人。

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篇20:高二年级英语作文:明智对待手机BeWisetotheCellPhone

全文共 1055 字

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It has been witnessed that since the coming of the cell phone, it has been developed so fast, thanks to the high technology, today, the function of cell phone improves a lot, some even can equal to the computer. People like to change the cell phone, because they want to have more function, but some teenagers lose wise mind on the road of changing cell phone. They want to buy the newest product, so that they can show off. Recently, it has been reported a boy sell his kidney for the purpose of buying an iphone, this is so shocked, the boy is selling his health for a new cell phone. People should be wise to the cell phone, they need to figure out that all the cell phones have some common basic function, some new products’ function is almost the same. They should measure their situation to buy a new one.

人们已经见证了自从手机的诞生,手机发展得很快,多亏了高科技,今天,手机的功能提高了很多,一些手机甚至可以比得上电脑。人们喜欢换手机,因为他们想要有更多的功能,但是一些青少年在追求换手机的道路上失去了理智。他们想要买最新的手机,这样就可以炫耀。最近,据报道,一个男孩子为了买一台iPhone而去卖肾,这是多么令人震惊啊,男孩为了新手机卖掉了自己的健康。人们应该理智对待手机,他们需要弄清楚所有的手机都具有共同的基本功能,一些新产品的功能几乎都一样。他们应该根据自己的情况来衡量是否买新手机。

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