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二年级英语作文:对垃圾食品说不精彩20篇

冬季大雪,似乎人来到一个幽雅和宁静的境界,来到了一个晶莹透剔的童话世界。你是不是也喜欢冬天呢?现在开学吧为你们收集整理了一些二年级英语作文:对垃圾食品说不优秀作文,欢迎阅读,希望你们喜欢。

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二年级中秋节作文

全文共 553 字

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不知什么时候,阵阵的蝉鸣逐渐安静了,不知什么时候,枫叶已经悄悄变红了。哦!原来是秋天来了,带着那徐徐的凉风来了。在它身后,还跟了一个小不点,“中秋节”。

去年的中秋节是令我非常难忘的。在中秋节那天晚上,我们家里来了一个中秋节知识大比拼,由我来讲规则,比赛分三轮,答对一题加10分,得分最低的将受惩罚。

第一轮比赛开始了,我开始出题,有关月亮的诗句有哪些。“举头望明月,低头思故乡”,我的话还没落音,爸爸就接了上来,妈妈也不甘示弱,马上说出“举杯邀明月,对影成三人”。于是第一轮打平,谁也没事。

第二轮比赛开始了,请说出论月亮的形状有哪些名字。妈妈停顿了下说:“满月。”爸爸想了想,怎么也想不出来。我狡黠地笑了笑,马上我就能实施惩罚了。果然,爸爸没微答上来。我开始惩罚了,我一下子扑到爸爸身上,左挠挠,右挠挠,直挠得我尽兴为止,爸爸被我挠得合不拢嘴,总算没有笑了。休息过后,第三场比赛马上开始了。

现在比赛开始了,这轮比赛比谁说的月亮的词语最多。爸爸一口气说了二十一个,妈妈说了十七个,我宣布爸爸这轮获胜,妈妈受惩罚。我用手在妈妈的鼻子上狠狠括了几下,以表惩罚。

比赛结束,爸爸最后以20分的差距输了,我奖给妈妈一个大月饼,爸爸只能望饼兴叹了。月亮越升越高,那朦胧的月色洒在我们身上,真舒服啊,这真是一个难忘的中秋节。

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篇1:快乐的英语节二年级作文

全文共 370 字

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这个星期我们期盼已久的“英语节”终于来到了,这一天也是圣诞节,有许多有趣的节目正等着我们。

第一个节目是英语小话剧表演,这个节目是由英语社团的同学策划表演的,这次演出获得了老师和同学们的一致好评。

第二个节目是由高年级同学当小老师教一二年级的小同学学英语。我们是一对一教学,我教的小同学是二(1)班的汪源。我认真地教他学习了一些简单的日常用语,这位同学非常聪明,没教几遍他就学会了,并且可以和我进行英语对话了,我圆满地完成了任务,心里感到很开心。

第三个节目是送英语贺卡。我和同学们都精心制作了很多贺卡。这些贺卡的图案和祝福语都是由我们自己设计的。我把这些贺卡送给了我最要好的朋友,也衷心地祝福他们快乐每一天,我也收到了很多同学送给我的贺卡,让我感到了友谊的珍贵。

快乐的英语节,气氛是那么的融洽,节目是那么的精彩,让我们对学习英语有了更大的兴趣。

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篇2:雾霾英语

全文共 1213 字

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Today, we have a health class. The main content is the harm of haze.

We watched a movie called "the harm of haze", which mainly explained how

terrible haze is.

Haze passed through our bodies, just like games. It comes to the blood

vessel first, let the partners block the blood vessel together, so our blood

pressure will rise; it also has a partner who is less than 0.5cm and has a knife

in both hands, and can directly pass through the blood vessel; it comes to the

internal organs, which are like a tree, and there is white fat like a giant,

which can directly eat the dirty things. However, we have iron ore in our body.

If we eat too much white fat, we will die. This is a blood station! So the

resistance of man has decreased. Its finally at the center - the heart, because

we just blocked your blood vessels, so your heart will cause myocardial

ischemia. "Tremble! Human beings! Im in every breath of yours, "cried haze.

Haze has a great influence on us. With haze, we cant play in the

playground, cant have physical education class, and we need to wear a little

annoying mask. Therefore, we should protect the environment and nature. As long

as you start little by little, you will be able to achieve the results you

want.

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篇3:关于游泳的英语作文高2

全文共 331 字

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As the summer vacation comes, I decide to learn swimming, because the

weather is so hot, I can make myself cool, what’s more, I want to master another

skill and protect myself. Many people lose their lives when they meet the

accident in the water, so it is important to learn swimming. I have made up my

mind and must finish this task.

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篇4:英语满分优秀作文

全文共 536 字

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dear dick,

i am very glad to hear from you. you asked me about the change of school education in china. we are really happy about the changes called on to reduce learning load. before i had to study six days a week and i always went to bed after 11:30. i seldom had free time to do what i like. but now i have more spare time. i can read many interesting books, watch tv or even do some sports. and i never feel tired in the class as before, because i go bed at 10:00. all of my classmates are happy about this new arrangement of things.

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篇5:我的英语老师二年级作文

全文共 206 字

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开学了,我们班换了一个英语老师,她姓何,很漂亮,有着一头长长的、卷卷的头发,漂亮的瓜子脸上嵌着一双亮晶晶的眼睛,可有神了。她上课的时候又严厉又有耐心。

在英语课上,她教我们唱一首英语儿歌,这首英语儿歌中有很多的单词,有一些难,有些同学学得不是很认真,英语老师就停了下来,跟我们讲了很多道理,让我们明白,学好英语是多么的重要,然后又非常有耐心的教了我们很多遍,我们才学会。

老师是不是又严厉又有耐心呢?我喜欢英语老师。

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篇6:atriptoHuadShann高二年级英语日记

全文共 948 字

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This afternoon, my parents and I went to Huad Shan with their friends.Recently, they have developed a new feature such as Gu Keng coffee, yard coffee shop, and B&B.This time, we went to a place that has natural trees, flowers around us. On the side of the stone road, had a long river and we could hear the water voice. It was very comfortable. The most I like it because there were not many people so that we could have a quiet condition.In addition, adults took noodles, fruits, and teas to get more interest. People in there were so friendly; they could lend us the desk, the chair, and everything we need.Now, Huad Shan is not only a place for hiking but also a tourism scenic spot. We can go there with our family or friends on holiday. It is certainly can relax ourselves.There are full of busy and nervous feeling in our usual life. So we took advantage of free time to go for relax. It is really a big enjoyment

[a trip to Huad Shann高二年级英语日记

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篇7:关于国庆节英语

全文共 1073 字

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My holiday my family,"ten.one" golden week will float in the sky with

laughter.

Im going to the countryside,put aside all the troubles,do a happy bird. In

the woods picking sweet fruit,make endless sweet ying heart; To the river to

catch fish,with the river flowing rhythm,let laughter echoed in the air for a

long time.

Should first glimpse of the sea,I feel it flat as colchicine

halcyon,rustling noise at high tide,when angry when earth—shattering roar; I

want to lay in the sun on the soft beach,hacking waves affectionate hug rock

discourse. Remember fresh seabreeze comes,remember waves of the sea as

snow,remember the roar when windsthat blow,remember

unforgettable,endless,capricious,make people intoxicated with the sea.

I also want to read a good book,let oneself into a seedling,rooted in the

book of the pure land,absorbs the nutrition knowledge,broaden their horizons.

With books,as the magic machine of time and space,as the bridge of the

mind,communication up and down in five thousand,with friends all over the world

with joy and sadness,from now on,heart no longer lonely.

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篇8:童年英语作文初二80词

全文共 517 字

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Childhood in my grandmothers house, saw the hen sat in the nest to scare

her, shedid not run, I felt very unusual.

Go and ask the Father knows, the hen is sitting, I am very surprised. At

the same time, there is a strange idea -- the hen can hatch the chicken, I also

have hatched chicks! So, I also got some egg on the quilt, and then he climbed

into bed lying in bed, put the egg on your ass..

I thought: I can also be hatched chicks, I am great superman!

But after several hours did not see a little action, I urgent cry.

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篇9:小学二年级英语谚语大全

全文共 2170 字

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A man can die but once.

人生只有一次死。

A match will set fire to a large building.

星星之火,可以燎原。

A miss is as good as a mile.

失之毫厘,差之千里。

A bad beginning makes a bad ending.

开头不好,结尾必糟。

A man can not spin and reel at the same time.

一心不能二用。

Adversity makes a man wise, not rich.

困难和不幸不能使人富有,却能使人聪明。

A word to the wise is enough.

聪明人不用细说。

A good beginning makes a good ending.

欲善其终 , 必先善其始。

After rain comes fair weather.

否极泰来。

A body without knowledge is like a house without a foundation.

人无知犹如房屋无基。

A door must be either shut or open.

门不关就得开,二者必居其一。 / 非此即彼。

A little body often harbors a great soul.

浓缩的都是精品。

A man can do no more than he can.

凡事只能量力而行。

A merry heart goes all the way.

心情愉快,办事痛快。

An honest man‘s word is as good as his bond.

君子一言,驷马难追。

All roads lead to Rome.

处处有路通长安。

An apple a day keeps the doctor away.

一天一个苹果,医生不来找我。

A man is never too old to learn.

活到老,学到老。

A little labour, much health.

常常走动,无病无痛。

A bad custom is like a good cake, better broken than kept.

蛋糕莫保留,坏习气要除掉。

A life without a friend is a life without a sun.

人生没有朋友,犹如生活没有阳光。

A little learning is a dangerous thing.

浅学寡识是件危险的事。

Act fairly by all men.

一视同仁。

A little of everything, and nothing at all.

样样皆通,样样稀松。

A picture is a poem without words.

画为无言诗。

A word spoken cannot be recalled.

一言说出,难以收回。

A little is better than none.

有一点总比没有好。

A good medicine tastes bitter.

良药苦口,忠言逆耳。

A little help is worth a deal of pity.

一次行动胜过一筐空话。

All beginnings are hard.

万事开头难。

A book is like a garden carried in the pocket.

书是随时携带的花园。

A friend is a second self.

朋友是第二个自我。

A candle lights others and consumes itself.

蜡烛照亮了别人,燃尽了自己。

All work and no play makes Jack a dull boy.

只工作而无娱乐会使人愚钝。

A good conscience is a continual feast.

白日不做亏心事,夜半敲门心不惊。

A good name is better than riches.

好名誉胜过有财富

A bad workman always blames his tools.

劣工咎器。

A snow year, a good year.

瑞雪兆丰年。

An evil lesson is soon learned.

学坏容易。

A lazy youth, a lousy age.

少年懒惰,老来贫苦。

A work ill done must be twice done.

工作未干好,只得重返工。

After supper walk a mile.

饭后百步走,活到九十九。

An empty bag cannot stand upright.

空袋子放不真。

A tree is known by its fruit.

观其行而知其人。

All things are difficult before they are easy.

万事开头难。

A good medicine tastes bitter.

良药苦口利于病,忠言逆耳利于行。

All men can‘t be first.

并非所有的都能获第一。

A thousand mile trip begins with one step.

千里之行,始于足下。

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篇10:难忘的旅行英语作文

全文共 1425 字

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Since I went to college, I have made many friends and we shared the same interest. My friends and I liked traveling so much. We decided to travel abroad. The destination was Thailand. We spent ten days there and had a nice trip. It was such an unforgettable trip, and I learned a lot.

自从我上大学后,我认识了很多朋友,我们有着共同的兴趣爱好。我和我的朋友们都很喜欢旅游,所以我们决定出国旅行。目的地是泰国。我们在那里逗留了10天,旅途很愉快。这是难忘的旅行啊,我学到了很多东西。

Firstly, it was my first time to travel abroad. My friends and I had made many preparations. We read the travel guide and chose the information that was useful to us. I classified the information and wrote down tourist sites. During the trip, I become much independent. Sometimes I even walked down the foreign street by myself, appreciating the beautiful scenery.

首先,这是我第一次出国旅行。我和我的朋友们做了很多准备工作,我们看了旅游指南,选择对我们有用的信息。我把信息分类并写下与旅游景点相关的信息。在旅途中,我变得更加独立,有时我甚至可以独自走在国外街头,欣赏美丽的风景。

Secondly, I broadened my vision and enrich my mind. Before I came to Thailand, I needed to read some information, then I got to know this countrys culture and their tradition. When I was in Thailand, I could feel its religious belief. Whats more, there were so many foreigners here, and I talked to them happily.

其次,我扩宽了我的视野,丰富了我的思想。来泰国之前,我需要提前阅读一些信息,然后我了解了这个国家的文化和传统。我在泰国的时候,我能感觉到它的宗教信仰,更重要的是,这里有很多外国人,我可以跟他们愉快地交流。

Traveling is a good way to learn knowledge, and I know the importance of English. It is the key to know about the world.

旅行是一种很好的学习知识的方法,而且我也了解英语的重要性,它是了解世界的关键。

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篇11:有关艺术英语作文高中

全文共 751 字

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This weekend, there was an art festival in our school, it had been hold for

five years and the school insisted to make it become the feature. I was so

excited, this was the first time for me to join. Early in the morning, I saw

there were so many people coming to the campus, making the campus so lively. The

students dressed so well and gave the warm welcome to the guests. I walked

around and appreciated the painting, every work was drawn by the students, I was

so impressed by these works. There were also some handworks, which were so

creative, it reflected the students’ wisdom. Though we were busy with our

subjects most of the time, some students still kept on their hobbies and made it

their talent. I should learn from them and develop some interest.

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篇12:保护环境的英语

全文共 1556 字

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Chinahas a very long and brilliant history, whose people are so friendly

and hospitable. But I am wondering why some people pay such little attention to

the environment and nature. In many places of the countryside, rivers have

become stinking sewers and brooks have disappeared. Heaps of garbage obstructs

the scarce flow of dirty water. The grounds are littered with plastic bottles

and bags. People are cutting down trees even though it is illegal. In some

towns, rubbish is hidden behind walls. Garbage cans are often of little use,

making cleaners must rush all day long and also by night to clean the

rubbish.

This lack of consideration for nature in general is extremely detrimental

to children’s education, toChina’s image, to public health, to tourism and to

the future.Chinais the common treasure of all Chinese, and we should live up to

be a member of this big family, a descendant of 5000-year-plus ancient civilized

country. I think the environment must absolutely be strictly protected by all

means. This protection should go at the same pace as the marvelous development

of the nation.

In this respect,Germanyis a rare model and leaves me a very deep

impression. After you have an exciting tour around in this country for a week or

so, it is unnecessary for you to polish your leather shoes. Personally, first of

all, the strong awareness of people’s environmental protection; then, the

advanced technology applied in the field of preserving the nature; We can learn

form others in building China into one of the most environmentally friendly

places in the world.

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篇13:初三关于食品安全的英语作文

全文共 2545 字

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Think of class, the teacher gave us his explanations on the knowledge of food safety, I didnt care, just doze off, who knows soon after that, Ill tasted the bitter fruit of dont understand "food security". On the way home from school that day, I smell the fragrance of the side of the road the barbecue booth of the companys attractive, and classmates up around. Master is the roast mutton string, sprinkle with chili oil, above in red on carbon fire zi zi. I cant help but sneezed, the saliva came down quickly. Vendor finished barbecue, pass the mutton string beside waiting for a classmate, his mouth blew two tone, also regardless of the hot pressing it into the mouth to eat with relish. I touch pocket, there is ten yuan, was about to cut out, ear and her voice was heard: "dont on the roadside stall to buy something to eat, eat and her mother said, I take you to eat in the store." Is now in the evening, however, my stomach has started growling and so delicious kebabs, I was tempted. I swallowed saliva, finally put the money, bought two strings. Finished eating spicy lamb kebabs, wipe with a mouth, I happily on his way home, belly also irritable, this a substantial feel really comfortable. Came home just now, I was stripped of two went upstairs writing assignments. To homework wrote half, stomach suddenly knife as pain, I groaned aloud ran bathroom, but did not dare to call mom, she knows I eat shish kebab stalls, to the tiger face scold me a meal. Who know the stomach up endless, I had to go, mom to the hospital the drip. Fall into the pit, a gain in your wit, and from then on, I am afraid of the food stalls, eat what all want to tell mom, let mother choice instead of me. Now, the school to carry out the "focus on food safety, to create beautiful life" health activities, has taught me more, I not only pay attention to food safety, and often to persuade the students pay attention to food safety.

上思品课的时候,老师给我们讲解过食品安全的有关知识,我当时没怎么在意,只顾着打瞌睡,谁知道这以后不久,我就尝到了不懂“食品安全”的苦果。那一天放学回家路上,我闻到路边的烧烤摊上传出诱人的香味,禁不住和一帮同学围了上去。摊住主正在烧烤羊肉串,上面洒上辣椒油,在红红的碳火上滋滋地响着。我禁不住打了个喷嚏,口水就快流下来了。摊主烧烤完毕,把羊肉串递给在旁边等待的一位同学,他用嘴巴吹了两口气,也不顾烫不烫就塞到嘴巴里津津有味地吃开了。我摸摸口袋,还有十元钱,正要掏出来的时候,耳朵边又响起了妈妈的声音:“不要在路边小摊上买东西吃,要吃东西和妈妈说,我带你去店里吃。”可是,现在已经傍晚了,我的肚子已经开始咕咕叫了,这么香喷喷的烤羊肉串,我实在就禁不住诱惑啊。我吞了一下口水,终于把钱掏出来,买了两串。吃完了香辣的羊肉串,抹一抹嘴巴,我高兴地往家里走,肚子里还火辣辣的,这一种充实的感觉真舒服。回到家正好开饭,我匆匆扒了两口就上楼写作业去了。到了作业写到一半,肚子突然刀搅般疼痛,我大声呻吟着往卫生间跑,却不敢喊妈妈,她知道我吃了小摊上的羊肉串,非虎着脸训我一顿不可。谁知道肚子痛起来没完没了,我只得求助妈妈,送到医院打点滴了。吃一堑,长一智,从那以后,我就怕了小摊上的食品了,吃什么东西都要向妈妈说明,让妈妈代替我选择。现在,学校里开展“关注食品安全,共创健康美好生活”的活动,使我懂得了更多,我不仅自己注意食品安全,还常常劝说同学们注意食品安全。

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篇14:My Favourite Teacher_150字二年级英语作文

全文共 971 字

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Echo,my favourite teacher,is a pretty and slim lady.One of the most important reason that I like her is that she is very sincere.When she talks to others,she always has a smile on her face.

I think Echo is a natural teacher beacuse she has a lot of good methods on teaching.She is not only quite friendly ,but also humorous.Her class is full of fun that you have never feel bored.To improve our grades,she usually gives us some advices about how to learn English well.Whats more,she sacrificed her own time to help every student,no thought of gain.Sometimes,she nearly has no time to have lunch.When I ask her questions,she must spare no effort to make me understand,with patience and careness.I have never seen such a good teacher as her before.

A good teacher can point out the direction and give you endless strength when you get into trouble.Im lucky enough to have such a good teacher present to my life. Echo has a great inflence on me.Im thankful her help very much.

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篇15:有关除夕的英语高中

全文共 612 字

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Dear Tim,

With Spring Festival drawing near, I’d like to invite you to my home to experience the festival.

When you come, we can enjoy traditional Chinese food together, and then put up Spring Festival couplets. As a traditional custom, the couplets are always posted on the door of a house. Written on red paper, a couplet is composed of two lines of poetry, which rhyme with each other. Not only do the couplets add some joyous atmosphere to the festival, but also they express people’s wishes for a better life.

I would appreciate it if you could accept my invitation. Looking forward to your coming.

Yours,

Li Hua

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篇16:高二年级感恩母亲的英语作文

全文共 2482 字

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Mother, it is we are thankful people was born. Who is how many years, every day in the laundry to cook for us, who are both in sorching summer, or in the snow after send us to school, and hurried off to work, who is lets us grow from day to day in her arms, and she is getting old, who has raised us, but I do not wish for any return. Is mother! Life, some people are looking for a mothers love, but dont ignore the ubiquity of maternal love!

Remember the night I was only five years old, it was raining, I have a fever, my father on a business trip is not at home, mother picked up I will go to the hospital, my mother in the hospital a night didnt sleep a wink, eyes staring at the bottle of intravenous drip, until my fever is gone, she finally breathed a sigh of relief. Then my mother again give me water, and to buy me a delicious. Looked at his mother busy figure, I secretly in my heart swear: must study hard repay mother.

Another time, just learning English month, I had to 81 points, the bottom of the class. In the face of such scores, I would be ready to get training, returned home after mother knew, not only not scold me, comfort me, dont lose heart, and now the English course at the beginning, as long as you listen more from now on, read more, write more, practice more. Performance will improve soon. Mother said. This time is I overlooked your English study, later I accompany you a piece of learning. This situation really than scold me, hit me also makes me uncomfortable. From then on, no matter how busy mom, always "nutrition" for me, everything comes to him who waits, the mid-term exam, I achieved good scores of 95 points.

Mother, you have to use solid arms hold up a piece of blue sky for me, when I am frustrated fall, is the care you with infinite comfort me, encouraged me, so I can stand up again. Today, I will use my growing plump wings for you -- -- my mother from the rain.

母亲,是我们一出生都值得感恩的人。多少个岁月,是谁每天起早贪黑的为我们洗衣做饭,是谁无论在炎炎夏日,还是在冰天雪地送我们上学之后,又匆匆赶去上班,是谁让我们在她的臂弯一天天成长,而她却一天天变老,是谁养育了我们,却不求任何的回报。是母亲!生活中,有些人在寻找着母爱,却不忽略了无处不在的母爱!

记得5岁那年的一天晚上,天下着雨,我发烧了,父亲出差不在家,母亲抱起我就去医院,在医院里妈妈一宿没合眼,两眼一直盯着瓶子里的点滴,直到我的发烧退了,妈妈才长舒了一口气。接着妈妈又是给我喂水,又是给我买好吃的。看着妈妈忙碌的身影,我暗暗在心里发誓:一定要努力学习报答妈妈。

还有一次,刚学英语月考时,我只得了81分,全班倒数几名。面对这样的分数,我做好了挨训的准备,回到家妈妈知道后,不但没有训我,反而安慰我,不要灰心,现在英语这门课刚开始,只要你从现在开始多听,多读,多写,多练习。成绩会提高很快。妈妈还说。这段时间是我忽略了你的英语学习,以后我陪你一块学。这情景真比骂我,打我还令我难受。从那以后,妈妈不管多忙,总是为我“补充营养”,功夫不负有心人,期中考试时,我取得了95分的好成绩。

母亲,您曾用坚实的臂弯为我撑起一片蓝天,当我受到挫折跌倒时,是您用无限的关怀安慰我,鼓励我,使我能重新站起来。而今,我也要用我日益丰满的羽翼为您————我的妈妈遮风挡雨。

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篇17: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18:中国梦英语

全文共 1204 字

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China is the biggest family with 56 ethnic groups. Among them, the Han

Chinese is the largest and the most highly developed group. The Han Chinese can

be found in many parts of China. They mainly live in the north plain region, the

middle and the lower reaches of Yangze River and Pearl River Deltas. The other

55 groups are the minority ethnic groups. They are distributed in the

mountainous areas of southwest and northwest of China.

Being too far away from big cities, the minority ethnic groups are poor in

economy and there people are not well-educated. They have very few

understandings of science and technology. So they must develop their

economy.

To help the people of the minority ethnic groups live better, the

government should take some effective measures. For one thing, more and more

knowledgeable undergraduates should be encouraged to those poor areas to help

the people there to get rid of their poverty. For another, the advanced science

and technology must be introduced into the minority ethnic groups to improve

their living conditions. More importantly, people of the minority ethnic groups

should be given equal opportunities to study and work. Only so will China be

more prosperous in the future.

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篇19:小学生二年级英语作文:我美丽的学校Mybeautifulschool

全文共 386 字

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My school is Tailan primary school, Thats a good place,this is a beautiful school.

There are many flowers, many classrooms,many leaves, many offices, a large hall, a playground in our school, in the playground we can run and play.also there is a garden in my school, many flowers and trees in it, we often walk in the garden after lunch.

I like my school very much! Do you like my school?

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篇20:高考英语作文精选

全文共 615 字

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Hi, everyone ,

We’ll have an important activity—picking apples。 The picking will go on from 8:00 am to 11:00 am next Saturday and wele all of the people in our munity to join in the activity 。

To join in the activity , you should sign your name in the office before 5:00 pm next Thursday ,which is the deadline ! Don’t miss it !

Attention! It is suggested that all the people who will join in picking apples should wear a hat and a pair of gloves because there will be a lot of leaves or dirty things that will otherwise fall on your head and make your hands dirty 。

Be active , everyone in our munity !

The munity board

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