关于向日葵的英文作文（精品20篇）

Sunflowers

向日葵

A sunflower is a kind of beautiful and useful plant. Its face is round and golden, looks like the sun. Thats why people call it sunflowers.

向日葵时一种美丽而有用的植物。它的脸时圆形，金黄色，看上去像太阳，这就是为什么人们叫它为“向日葵”。

It faces the sun all the time during the day. When autumn comes, sunflower fruit is ripe. People like eating them in their free time. Whats more, people can also make oil from them.

在白天它一直面朝太阳。秋天到来时，葵花籽熟了。人们在休闲时喜欢吃葵花籽。而且，人们还用葵花籽榨油。

A sunflower brings us not only beauty but also delicious seeds.

向日葵不仅给我们带来了美，而且提供了好吃的葵花籽。

dear xiaoming,

i’m so excited about my trip to xining. now i am writing to ask you for help. can you answer my questions? thanks!

first, what is the weather like in your city? does it snow a lot in winter? i need to have the right kinds of clothes and shoes. next, what kind of food do you ususally have in your family? finally, what festival do you have during my stay in xining? i will arrive on dec. 28 and leave on feb. 26. i hope there are more interesting things to do together with your family.

looking forward to hearing from you.

jennifer

有人喜欢高雅脱俗的百合；有人喜欢颜色艳丽的玫瑰；还有人喜欢出淤泥而不染的荷花；但我最喜欢从不屈服，向往光明的向日葵。

春天，农民伯伯把一颗颗饱满的种子种到泥土里，经过阳光的照耀和雨水的滋润，它开始慢慢的发出嫩芽。

它从土里探出头来，东瞅瞅、西望望，好像在找什么。哦！我知道了，它在找太阳公公呢！小芽儿一天天的长大，开出了一朵朵黄灿灿的小花儿，花的最中心是淡绿色的，花蕊是深黄色的，花瓣是金黄色的，花的最外层是翠绿色的花托，一股淡淡的清香扑鼻而来。向日葵的杆儿上是大片的椭圆形绿叶，有点儿扎手，不过它们的绿更能衬托出向日葵的娇艳美丽。

看！一只只可爱的蜜蜂“嗡、嗡、嗡”的向向日葵问好呢！它们传播花粉，为的是让向日葵结出饱满的果实。在向日葵成长的过程中，它经历无数次的风吹雨打，即使大风把它们吹的弯下了腰，它们也会坚强的向着太阳的方向继续成长，从未屈服。

秋天它们的果实成熟了，向日葵终于低下了头，因为它太累了，它的使命完成了，它也可以休息了！我和几个小伙伴就可以拽着它的头，取下瓜子吃，甜甜的。大人们会把向日葵的头砍下，把瓜子晾干打下来，供人们一年四季享用。

我爱这美丽而又坚强的向日葵，爱它抬头向上的精神，低头谦虚的做人本色，更爱它一生无私奉献，顽强拼搏的意志！

[我喜欢的向日葵作文

常常听周围人抱怨，“枯燥的生活！”“苦啊！”……每言及此，当事人无不作出一副苦大愁深状。起初，还有些同情，但随着时光流转，这份同情也渐渐殆尽了。毕竟，谁的人生不苦呢？

曾经有幸见到梵高的名作《向日葵》，到底是名不虚传的。其鲜艳的色调，热情的笔触，无一不深深地打动我，让我身临其境地感受到向日葵积极向上的生活态度，并深受鼓舞。这样的渲染力实在是很强。从那是我便开始这样想了，我们何不自己做一株热情的向日葵，始终积极“向上”呢？

或许你会说，蓝色也有其沉郁的美，正如悲观也有它得天独厚的一面。这确实不错。例如悲观者总会提前为最坏的结果做好准备；“期望越大，失望越大”，悲观者总能将失望化作惊喜。但我想说，上述内容并非悲观者的专利。你是否想过，悲观者总被“我不行”包围，而积极者的脑中充斥着“我能够做些什么”，长此以往，到底谁能更胜一筹呢？答案是显而易见的。

悲观者更多时候埋没在负面情感之中，是真正的“人生无涯苦作舟”，不仅影响他人，更将自己推向深渊；积极者则相反。而科学也证明，当一个怀抱积极情绪时，大脑神经的活跃度是远远超过悲观者的。

“生活以痛吻我，我却报之以歌。”与其终日活在阴影中，何不做一株向日葵，追逐阳光，拥抱阳光呢？

当然啦，积极热情地应对生活，并不是指忽略一切负面情绪，也不是过于乐观以至自负；而是指在面对困难、挫折时，我们能够始终相信自己，不自暴自弃，并且可以快速调整情绪，重新振作。

然这并不是一朝一夕就能促成的。没有人生来便乐观，我们只有通过不断锻炼自己，才能保持对生活始终如一的热情。

而当代青年总是因为一点生活琐事就“为之倾倒”——抑郁了，或是多次考试失利，或是一句过于严厉的批评……溯其根本，还是因为磨练的不多，精神不够强大。而这兴许又是因为家长的过度“圈养”，亦或是当今时代优越的物质条件。

试想，若你处于一个尚且吃不饱、穿不暖的环境中，哪里会去为考试、批评悲伤呢？生存才是要紧事吧。

只愿人人都能做一株向日葵，热情地守望你的“太阳”。

Mr Smith and his son Jim rent a boat from Mr Green. They find a very good place and catch a lot of fish. Now it is   late and they are going home.

Jim says, “I’ll come here again tomorrow.”

“Yes, me too.” say his father. “But how can we get      back and find the right place again?” “I can make a    mark   on the side of the boat.” Jim answers.

The father laughs and says, “No, that’s foolish! Mr Green won’t give us the same boat next time.”

【释义】

史密斯先生和他的儿子吉姆，从格林先生那里租了一条船。他们找到了一个非常好的地方并抓到了许多鱼。天色已经很晚了，他们要回家了。

吉姆说：“我明天还要再来这里。”

“是的，我也是。”他的父亲说。“但是我们怎么回来并找到正确的地方呢?”“我可以在船的一侧做个记号。”吉姆回答道。

父亲大笑说道：“不那太愚蠢了!格林先生下次不会给我们同一条船的。”

又是一次在回家的途中。自从到了安仁工作后，这种短途旅程，渐渐让我生出些许疲惫。在沉闷异常的车厢，除了听歌来打发时间外，最能让人愉悦的，怕是只有窗外那一闪而过的景致了。一路颠簸，一路风尘，让人迷糊困顿，强打起精神，推开车窗，灌进一股子清风，迎着风，又四下张望开了。丰收的火热，已然到了尾声，只有低洼的农田里遗留下的稻秆，静静得搁置在泥水中，像是在像路人诉说着自己头顶上曾经的辉煌。

这倒让我，想起了儿时家乡的那种双抢气氛。在我的家乡一片平原，没有这些个弯弯曲曲的山路，也没有这些座岗峤岑峦的山，有的是大片大片的农田，种着五谷杂粮，到了这个季节，站在堰堤上一眼望去，每块田里都有弯着腰，手持镰刀的农家人。在过个三两天再望去，每家的麦场里都堆满了高高的稻垛，大人们等在看老天的脸色，那时还没收割机，收割好的稻子，要在麦场晾干水分后，再打成谷穗。那时的夜，要帮着家里照看粮食，便要在麦场守着，那时并不感觉是在做事，却感觉那是最欢愉的时刻了，能够在宽宽的麦场，和村上的小伙伴玩着躲猫猫，能够在稀朗的星空下听着年老的老人，讲着老掉牙的故事，不会觉得饥饿，不会觉得无趣。自然也感受不到大人们的苦累，那时，无忧无虑的像个小尾巴跟着家人的后面，也想着长大，也想着能替父母分担下生活的担子。日子，就随着一点一滴的回忆到了今天，而今天的我，成了家，却依然没有替父母卸掉肩上的担子。

任性了很多年，在烦躁不安时，却最想待在父母的身边，便会拨去一通电话，听到那边絮絮叨叨的，心，便慢慢静了下来。也不知道什么时候，开始发现，电话那头的妈妈，耳朵好像没那么真切了，儿时的回忆，真切的留在了脑海，可岁月里的容颜，却经不起时间的推敲。

猛然，又想起昨夜里的梦，虚虚实实的梦境，睡梦中哭的撕心裂肺，醒来时，眼角还是湿的，或许，这是告诉我，要珍惜当下，珍惜家人，而我，能给他们的又能有多少呢！？

李佳思

在我个人眼里，植物王国中的向日葵是一个最美的“阳光女王”，这是一个最奇特的一个女王，这是一种能吃的一种花，它的花是要是熟了，就是瓜子了，也就是毛嗑，那人们就可以津津有味的吃起来了。

之所以说他是一个最美的“阳光女王”是因为她的花就像是一张年轻可爱又稚嫩的脸，只要太阳一出来，它就向着那热热的“火炉”，一刻也不舍得离开。在我眼里它可不是一般的惹人喜爱。它和人类的关系是特别好的。人们喜欢看着它，因为它代表着阳光向上，看到它就没有烦恼。人们喜欢吃它的果实，吃着吃着也没有烦恼。我想做一颗向日葵，人们看到我就只有开心，没有烦恼。自从我们家养了这位“大皇帝”，我一定好好照顾它，一定不不会让它看起来就像是没有人要的植物一样，乱糟糟。

Dear Prof Herthwell，

亲爱的Herthwell教授：

Many thanks for your kind hospitality and the honor you showed me during

our delegation’s recent visit to your university。 It was nice of you to

introduce me to so many famous professors and celebrated scholars at your

university。 We had a safe and sound trip home。 Now we have resumed our work。

十分感谢你的盛情款待，以及在你在我们的代表团最近访问你的大学时对我们的尊敬。多谢你把我介绍给那么多您大学里的知名教授和著名的学者。我们已经平安愉悦得回到家了。此刻，我们继续我们的工作了。

Meanwhile， I hope you will someday pay a short visit to our university and

give us some lectures on “Modern Western Economics”。

同时，我期望有一天你能够对我校进行一个短暂的访问并给我们开一些关于“现代西方经济学”的讲座。

Please have no hesitation in writing to me if you want me to do something

for you in China。

如果你要我为你在中国做些事情，请不要犹豫，写信给我。

Best wishes，

Li Dong

最好的祝愿

李东

Euston UK LTD

81?85 BARNLEY ROAD

DUNDEE

28th September, 1996

Ref: PVH/ltj

Jason & Son Ltd.

Parkside Manor

Burnside

Dumfries

Dear sir：

Thank you for your letter of 20 September, requesting a reference for Clairish Computers Ltd. The answers to your questions are as follows:

1. We have employed Clairish Computers Ltd. since January 1995.

2. Clairish Computers has helped our company rectify a new computer system that had been badly installed by another firm of consultants. It has drawn up a system specification for a replacement system and has chosen appropriate hardware.

3. We did not select Clairish Computers from several candidates.

4. We were not first time computer users.

5. Our first system is working satisfactorily. The replacement system is still too new to comment on.

6. We are satisfied with the work of Clairish Computers. The various stages were completed on time, and the charges agreed with the quotes.

7. There was continuity of staff at Clairish Computers. Ian Baird managed the work, which was carried out by Alex Johnston and James MacReady.

8. The staff training was effectively carried out.

Yours faithfully,

Peter Haddon, Director

以前听同学说，向日葵像人一样，也会运动，我有点不相信——向日葵怎么会运动呢?

有一天，我去旅游时看见了很多向日葵，许多葵花都已经开了，经过我一段时间的观察，发现向日葵总是朝着太阳。为了证实一下，我决定做个实验。我把向日葵移到花盘背对太阳的位置。到了第二天，我发现向日葵的花还是面对太阳的位置。真是奇怪，花盆又没有动过，这是为什么呢?于是我查了数据，在书籍中找到了答案：向日葵的花盘可以像人的头一样转动，太阳在哪边，花盘就对着哪边。

解开了向日葵的秘密，我心里非常高兴。我又想：世界上有那么多的植物，难道只有向日葵可以运动吗?带着这个问题，我查了很多资料。一个偶然的机会，我从一本书中看到，有一种叫含羞草的植物，如果用手触碰它，它就会把自己的叶子卷起来。

我决定去看看含羞草。有一次，我在路边见到了含羞草。它的确如书中说的一样，只要我用手轻轻一碰，它就会像一个害羞的小姑娘，把自己的叶子卷起来，真好玩。它为什么会把叶子卷起来呢?我左看右看都没有找出其中的奥妙。于是回到家后，我马上又查阅了有关资料，终于在网上找到了答案。原来含羞草的叶柄基部有个鼓鼓的薄壁细胞组织——叶枕，里面充满了水，你用手一碰含羞草，叶子受到振动，叶枕下部的细胞里的水分就立即向上部和两侧流去。于是叶子就像泄了气的皮球一样，放松下来。这样，叶子就卷起来了。含羞草的运动方式可真有趣啊。

世界之大，无奇不有。朋友们，让我们一起走进植物的世界，解开更多的奥秘吧!

Dear Yanglang,

I’m really miss you , we can’t see about three months . Are you ok? I hope

you happy every day.

We have eight classes everyday , and only two classes are not english ,

another classes is listening , reading , speaking and writing english . Some

people think it is boring in the classes , but i think this is very enjoyable

.

I love my life now . Because i always feel fulfilled all day . I am so busy

that i can’t play ping-pong . I think it is my desire to enjoy life.

I want to travel to mountain hua . Three years ago i went there , but don’t

go to the top , so i must go there when i have free time.

Take care yourself!

Love young!

Yours,

__

我奶奶家前的村子有一片花海，每年国庆节去观赏的游客人山人海。今年国庆节，爸爸妈妈带着我和姐姐也去了花海。

首先映入眼帘的是美丽的菊花，红的像火，黄的像金，白的像雪……在绿叶的衬托下显得更加娇艳。接着，我们看到一片绿油油的。走进一看，原来是玉米和秋葵！它们的果实挂在枝头上，好像在对我们说丰收的季节到了。

继续往前走，一片黄色的花海呈现在我们面前。哇，是向日葵，是我最喜欢的花！它的花朵大大的，中间是圆圆的花盘，里面有一排一排的浅黄色小花朵。花盘外围还抱着一圈金黄色的，长长的花瓣，碧绿叶子，插在根茎上，保卫着美丽的花朵。

我妈妈说向日葵又叫太阳花。它的葵花籽可以吃，还可以炸油，可以药用，可以泡茶喝，还可以做成花束。向日葵的作用可真多。我爱向日葵。

From a first grade to now, I most respected teacher is teaching us Chinese teacher David, David teacher long is very beautiful, she is a tall, thin, curved eyebrows under have a pair of intense big eyes, her smile will show two sweet dimples, appear very cordial. She is not only lively and interesting in class, but also strict in our study. I like her very much.

Teacher Davids lectures are lively and interesting, and each class is immersed in a happy atmosphere. Sometimes David teacher give us face turned red when content is excited, the students all listened with relish, sometimes, the teacher let us arranging, play according to the content of the text will make her rich expression, funny action, yinde classmates laughed, each lesson we all spent in happy learning.

Teacher David is very strict with us. Once, my homework was almost finished, and there were only a few words left. I managed to cope with the past. The next day, the homework was sent down, and I looked at it and said, "is this like a word written by a serious student?" I was so sorry to see other students who got full marks. In the evening, I read a word in a word and actually wrote the homework. When the homework was sent back, it was 100 plus star! I am very happy, deeply realized that it is the teachers little drops of my request to me to make continuous progress!

Not only did miss David strictly request us, but she also cared for and loved us, and sometimes played with us like friends. I was very happy to have such a teacher. When I grow up, I will be a good teacher like David.

I want to be a doctor twenty years later, to help people.Even when not a doctor, I want to be an astronaut to space exploration. If you can be a doctor to do a good doctorfamous. There are a lot of good doctor, for example, can help oneself. There are advantages to do an astronaut, for example, can have a look at the space is how, can help mankind to prove that the world there are aliens. But dothese two jobs are not easy, also very dangerous, such asthe doctor may have infectious diseases, do astronautsrocket launching and landing could explode. It is not easy to do so this two job.

我想二十年以后当一名医生，帮助人们。即使当不了医生，我也想当一名宇航员去太空探险。如果能当一名医生就要做一位有名的好医生。做医生有很多好处，比如能帮自己治病。做一名宇航员也有好处，比如能看一看太空是怎样的，能帮助人类证明世界上有没有外星人。但是要做这两份工作是不容易的，还很危险的，比如做医生有可能感染传染病，做宇航员火箭发射和降落时有可能会爆炸。所以做这两份工作都是不容易的。

今天，万里无云，偶尔有一丝凉风拂过。爸爸带我看了向日葵。

开着车，我们来到工商大学，远远望去，一大片向日葵开得非常茂盛。爸爸告诉我：“这片向日葵有20亩呢！”“那就是两公顷，比‘鸟的天堂’还大！”我不禁赞叹道。

此时，向日葵正在盛花期，好像要把它的全部生命力展示给我们看。那金灿灿的花瓣就像是给花蕊镶了一圈金边，明亮地照耀着我们的眼睛。那些瓜子密密麻麻的长在中央圆形的花盘上，像一颗颗钉子，牢固的很。要是你的手指不费一点儿劲，休想拔下向日葵的一粒籽。

沿着田埂，我们走到向日葵地的最中央，细细观赏每一朵花。向日葵全身上下都是绒毛，特别是花柄上的那些，白白的、摸上去感觉痒痒的细毛刺，又犹如女孩子抹的护肤粉。向日葵叶子上的绒毛更是独具特色，眼睛再好也看不见，但是手摸上去就能感觉到像砂纸一样粗糙。

向日葵的奥秘可真多，正等着我们一点点发现，一点点研究。

I think smiling is as important as sunshine. Smiling is like sunshine

because it can make people happy and have a good day. If you aren’t happy, you

can smile, and then you will feel happy. Someone may say, “But I don’t feel

happy.” Then I would say, “Please smile as you do when you are happy or play

with your friends happily. You will really be happy again.”

You don’t like crying, right? So you must prefer smiling, because you know

smiling will let people forget everything unhappy. Every day, we see teachers or

students and say, “Hi/Hello! How are you?” At the same time, you are smiling,

right?

Smiling can let you have more friends. With a smile, people will know

you’re a kind person. They will talk with you, so you will have more and more

friends.

So I say, smiling is like a flower, the sunshine, warmth. It will give you

happiness.

有这么一个人，我对她最熟悉不过了。

她呀，个子还算高，瘦瘦的，像根弱不禁风的豆芽菜;一条马尾辫常常甩在后脑勺;两道月牙一样的眉毛下是一双炯炯有神的眼睛;高挺的鼻子下有一整小巧的.嘴。

她的性格怎么说呢，这样说吧：她有时泼辣，有时文静。她的爱好广泛的很，读书啦、运动啦、写作文啦……说到写作文，她还与它有一段冤缘呢。起初，她并不喜欢写作文，可是老妈的命令下，她哪敢不从呢!写着写着，既然喜欢上了写作文，你说怪不怪?

她也有一颗善良的心：一天，她下午在学校教室与同学扫地。本与同学商量好，教室总共有三组，一人扫一组，中间一组一起扫。可是，她的同学肚子疼，她已扫完一组，可她的同学还是不舒服，所以她就自己一个人扫完了三个组，并且还不忘送她的同学去给老师看看。看吧，她就是这么一个好心肠的女孩。

同学们，你们猜猜，她是谁啊?告诉你们，她就是我。怎么样，猜着了么?

Its the third Sunday in June again, and its the holiday Ive been looking

forward to for a long time - Fathers Day.

"Mom, what do you want to give grandpa?" I asked my mother, resting my chin

on my hand. After thinking for a moment, Mom said, "Fruit basket!" "Mom, help me

think about what should I give Dad?" "Lets go to the boutique and have a

look."

So, we went to the boutique, and we picked left and right, carefully

selected, and we all felt that these gifts were not very good. "Ah, Dad is a

dog, so give him a puppy!" I suddenly had such an idea.

We walked over to the plastic and found a lifelike puppy which was very

interesting. Furry hair, piercing eyes, and a smiling face make people like him

more and more. I thought to myself: This puppy is cute, thats all.

I bought it, asked the waiter to pack it, and went home happily. When I got

home, I wrote a blessing on a piece of paper and put it by the bed with the

gift.

I discussed it with my mother and came up with a terrifying plan: We hid in

the place where Dad must pass when he entered the room, and when Dad came in, we

would scare him. So we quickly hid. "Dong dong dong..." "Dad is here!" Grandma

stepped forward to open the door, when Dad walked past us. "Wow," we jumped out.

"Ah, scared me to death!" Dad was shaking. A dignified man was frightened by

us, haha! "Mum sneered at Dad.

When Dad walked into the room and found the gift, his eyes were wide open,

and he couldnt help holding me around the living room a few times.

I will never forget this Fathers Day.

I hope to hold a job that excites me.I want to have a successful career so that I can take care of my family,and the best way to do that is to work in an area that I am interested in,so that I can be constantly motivated.With that condition,I will do my best.Of course,other pleasant qualities include having a nice boss and friendly coworkers,since a comfortable atmosphere is conducive to any process.I also hope that my job will be stable,so I wont have to feel insecure all the time.And if I have to transition,I hope that each job will prepare me well for future challenges.I know that I have the determination and talent to be a good worker.

篇一：太阳孩子向日葵晋莹作文

指导教师任菊我是向日葵，太阳的孩子，所以永远45度角仰望天空，即使沮丧，也面朝太阳。春天，我倚着太阳幻想，遥望未来；夏天，我倚着太阳成长，漫步前行；秋天，我倚着太阳成熟，追求梦想；完成使命后，我便回归大地，不留遗憾。其实母亲是一条长长的路，伴我走过多少个春夏秋冬，伴我度过多少个日日夜夜。路在延伸，生命在继续，你让我顺畅前行，护我一路好走！在我疲倦时，有母亲您温暖的怀抱；在我软弱时，有母亲厚实的臂膀；在我成功时，有母亲您肯定的眼神；在我退却时，有母亲鼓励的话语······我是没有眼泪的向日葵，我因朝阳而生，为明媚而活，我不会有落日的忧伤以及不能掩藏的泪水，因为母亲是永远挂在我心头的太阳，给我一片不落的灿烂！

悠悠的云里有淡淡的诗，淡淡的诗里有绵绵的爱，绵绵的爱里有深深的情，深深的情里有浓浓的意。我要把母亲的容颜绘成珍贵的名画，我要把母亲无私的爱谱成悦耳的赞歌，我要把母亲伟大的情写成华丽的诗篇，我要把母亲浓厚的意永远定格，那画面安静、宁馨。这样的一种温暖，在时间之外，美丽得不可言说!

岁月的风吹过，刺眼的阳光照在母亲的头上，两鬓添了许多与黑发格格不入的白发。时光似乎在那一刻停滞了许多，我驻足于时光的肩头阅读母亲，站在岁月的岸上凝神回眸。那一刻，我落泪了。无情的岁月沧桑了母亲的容颜，但母亲的微笑依旧拂过我的双眼，母亲告诉我：要做一个像向日葵一样的女子，没有眼泪！

因为向着太阳，所以笑的灿烂，向日葵没有眼泪，因为每一朵小向日葵的心里，都有一颗大太阳，向日葵在无声无息的绽放中染黄了大片大片仓促的岁月。彼岸的盛夏，向日葵依旧面朝太阳，成为太阳的骄傲。在陌生的未来，我会坚强勇敢、执着追求，我会像母亲期望的那样，永远做一个在太阳下不断成长，没有眼泪的骄傲女子。

篇二：向日葵为什么向着太阳转

向日葵为什么向着太阳转向日葵从发芽到花盘盛开之前这一段时间，的确是向日的，其叶子和花盘在白天追随太阳从东转向西，不过并非即时的跟随，植物学家测量过，其花盘的指向落后太阳大约12度，即48分钟。太阳下山后，向日葵的花盘又慢慢往回摆，在大约凌晨3点时，又朝向东方等待太阳升起。在阳光的照射下，生长素在向日葵背光一面含量升高，刺激背光面细胞拉长，从而慢慢地向太阳转动。在太阳落山后，生长素重新分布，又使向日葵慢慢地转回起始位置，也就是东方。但是，花盘一旦盛开后，就不再向日转动，而是固定朝向东方了。为什么最后要面向东方而不是其他方向或朝上呢？这可能是自然选择的结果，对向日葵的繁衍有益处。向日葵的花粉怕高温，如果温度高于30℃，就会被灼伤，因此固定朝向东方，可以避免正午阳光的直射，减少辐射量。但是，花盘一大早就受阳光照射，却有助于烘干在夜晚时凝聚的露水，减少受霉菌侵袭的可能性，而且在寒冷的早晨，在阳光的照射下使向日葵的花盘成了温暖的小窝，能吸引昆虫在那里停留帮助传粉。向日葵的花托部生长素背光分布，所以背光侧的茎生长较快，茎就会向光源处弯曲。向日葵，由于其生长前期的幼株顶端及中期的幼嫩花盘会跟着太阳转动得非常明显而得名。人们都认为向日葵朝阳仅与光能照射有关，其实与重力作用也有着密切关系。

原来，这些生长素主要是在茎尖以上形成的，并不断向基部运输。生长素的分布不断受到光的影响，向光的那一侧生长区生长素浓度相当低，背光的一侧浓度相当高。如此一来，向光的一侧生长区生长十分慢，背光的一侧生长区生长十分快，因此茎就产生了向阳光一面的弯曲现象。

近几年来，随着科学技术水平的不断提高，科学家还对向日葵向阳种种现象的解释做出了新的相关补充。他们在向日葵的茎叶生长区内发现了新的有较高浓度的叶黄氧化素。这种物质同生长素相反，可以阻止细胞伸长。科学实验不断表明：当光由茎的一侧照射30分钟后，向日葵幼苗生长区的两侧，它的叶黄氧化素的浓度主要分布为：向光的一侧浓度相当高，背光的一侧浓度相当低。这正好与生长素的浓度分布相关规律相反。这样说来，向日葵的向阳性和叶黄氧化素也有很大的关系。即向日葵的向阳是生长素和叶黄氧化素共同作用的重要结果。

篇三：小学作文：描写向日葵作文

描写向日葵作文星期六的早上，阳光明媚，我到我家的花坛边，看见一朵朵可爱的向日葵。香气扑鼻，小蜜蜂都被吸引住不肯走了。

向日葵个子高高的，茎粗粗的，像根铁棒似的。叶子密密麻麻的，毛绒绒的，上面还有几只小虫，好像要把它当成床似的。上面还有想盘子大的花朵儿，花瓣黄黄的，中间有几个黑色的小宝宝——瓜子。他们的形状也很多，有的高高的，有的壮壮的，还有的有好几个花蕾!要是把眼前一大片向日葵比作一大副活的画，那只有神笔马良才能画得出来。我忽然觉得自己仿佛就是一朵向日葵。每天白天都给瓜子们晒晒太阳，自己也和太阳打打招呼。蜜蜂和小虫爬过来给瓜子讲故事。

啊!向日葵多美呀，我都看入迷了呢!

篇四：作文向日葵向日葵

三（3）班史庭杉我喜欢许多花，有杜鹃花、百合花、马蹄莲等等，但我最喜欢的是向日葵。

向日葵是一种奇特

的植物，太阳在哪边，它的花盘也朝哪边。这是为什么呢？原来向日葵的花柄怕太阳，所以向日葵一直向着太阳。

春天，她破土而出，长出几片叶子。夏天，它的茎越长越大，叶子也越长越大。秋天，向日葵的花全开了，花瓣金灿灿的，像一个个金色的太阳，在田里随风起舞。仔细观察，花朵里有许多细线，里面藏着许多小宝宝，这些小宝宝就是瓜子。冬天，人们摘走花盘，摘下里面的瓜子。

向日葵有许多用途。瓜子可以榨油，也可以当休闲食品，还能入药。

向日葵不像牡丹那么高贵，不像月季那么娇媚，它很特别，不管风吹雨打，只要太阳一出来，它就昂首挺胸地朝着太阳。我要向它学习积极向上的精神，遇到挫折不灰心。

Whatever a man’s status is (may be)， he must have an aim。 If not， he can

hardly stand on his own two feet in the world。 That stands to reason。However

important fame and wealth may be， we must not let them bee our object in life。

We should aim at doing something useful to the society。If my aim can e true， I

hope (wish) to be a teacher。 However， teaching is by no means an easy thing。 I

must apply myself closely to my studies so as to be able to cope with my duties

(as a teacher)。