八下英语作文范文1

2024-05-27

八下英语作文范文1(精选6篇)

篇1:八下英语作文范文1

Unit 1

3w谈论疾病

What is the illness? 引出病情Lui ying can’t go to school today because she is ill.What is the advice?医生建议 You should---

You shouldn’t---

What’s the end?结尾thank the doctor and go home.描述病情的词组要使用准确

提示:1.看医生 2.检查(lookover)3.多喝水 4.吃药5.卧床休息

范文:

Liu Ying can’t go to school today because she is ill.So her mother takes her to the People Hospital.The doctoor looks her over carefully.At last the doctor says to her ,”Nothing serious.You’ve had a fever.You should take some medicine and drink more water.You should also lie down and rest, so you shouldn’t go to school for several days.I’m sure you’ll feel better soon.” Liu Ying and her mother thank the doctor and go home.

篇2:八下英语作文范文1

一、Teaching content:(教学内容)

1.New words and phrases:shower,thunderstorm,thunder,sunrise,sunset,rise,set,exact, weather report,be scared of.2.Understand the meaning oh text.3.Grammar:Word building.二、Teaching goals:(教学目标)

1.Master the new words and phrases,understand the meaning of text.2.How to talk about the weather in spring in English? 3.Learn to use the grammar to remember the words.三、Key points:(重点)

Talking about the weather in spring.四、Difficult points:(难点)

Use the grammar—word building to remember the words.五、Teaching aids:(教学辅助)Recorder, pictures or cards.六、Type of the lesson:(课程类型)New lesson.七、Teaching procedure:(教学过程)Step 1.Analysis of the student.(学生分析)Greet the students in English and make sure they can response correctly.Do the duty report: a student on duty can say whatever he/she likes to say.Review:Now we are at the beginning of the school,new term is coming and spring is coming.Last term,we learned how to talk our hobby and our future,we learned transportation,we learned neighborhood,and now what will we learn? Step 2.Lead in.(引入)

Ask some Ss to introduce the weather in Mangkang.T:What’s the weather like today? S:It’s sunny/windy/cloudy........Come to “Think About It!”

How is the weather in your hometown in spring? Have you ever heard a weather report?What expressions do they often use? Step 3.New lesson.(新课)No.1 prepare lessons before class.Teach the new words and phrases.make sure the Ss can read it correctly.No.2Text:Give them some time to read the text themselves.Then let them act out the dialogue in groups.Correct their pronunciation when necessary.At last,the teacher explain the text in Chinese,make sure the Ss can understand the meaning of text.No.3Important sentences: 1.How is the weather? It’s sunny/windy/cloudy........2.What’s the weather like today? 3.What’s the temperature? The temperature is.........4.I’m scared of thunder.(be scared of)No.4Gammar:Word building.Eg: thunderstorm,sunrise,sunset,hometown,basketball.英语构词法主要有三种:合成法、转化法和派生法。掌握基本的构词法,有助于词汇的理解、记忆和积累。合成法,就是把两个或两个以上的词按照一定的次序排列构成新词的方法。用此法构成的词叫复合词。复合词主要包括复合名词、复合代词、复合形容词和复合副词等。

1、复合名词:

(1)名词+动词

headache(头疼),daybreak(黎明)(2)动词+名词

playground(操场),postcard(明信片)(3)名词+名词

basketball(篮球),classroom(教室)(4)形容词+名词

blackboard(黑板),grandfather(爷爷)(5)动名词+名词

waiting-room(候车室),sitting-room(起居室)

2、复合代词:

(1)some(any,every,no)+body:somebody(有人,某人),nobody(没有人)(2)some(any,every,n o)+thing:something(某物,某事),nothing(没有东西)

3、复合形容词有:

man-made(人造的),kind-hearted(好心的),hard-working(努力工作的),fund-raising(筹集资金的)等。

4、复合副词有:

upstairs(到楼上),downstairs(到楼下),everywhere(到处),maybe(或许)等

另外,复合动词有understand(理解),复合介词有without(无,没有)等。No.5 Dig In Here are some weather icons: Sunny

light rain

moderate rain

heavy rain Cloudy

windy

thunderstorm

lightening Frosty

foggy

thunder shower

snowy No.6 Finish “Let’s Do It!”

Step 4.Play the tape for the Ss to follow.Make the Ss listen the text,then let them read follow the tape.Step 5.Summary.(小结)

Sum up the text what we learned,the new words,phrases,and sentences.Sum up the grammar.Step 6.Homework.(作业)

Finish the activity book and the practice.Copy the new words and phrases twice.Step 7.Blackboard-writing:(板书)

篇3:八下英语作文范文1

一、动词pride的搭配用法

在《100篇》p.18上,有以下一句:

He prides himself in the fact that he does not have to workhard to be better than others and gives up learning completely.

笔者认为, 原句中“prides himself in”的搭配用法有误。on。例如 :

1.She prided herself on her ability to speak eight languages/on knowing eight languages.她对自己会说八种语言感到得意 。

2.She had always prided herself on her appearance.她 总是对自己的外貌感到得意。

3.He prides himself on remaining calm in an emergency.他 在紧急关头十分镇静,为此感到骄傲。

当pride作名词用 时 ,可用于“take (a) pride in sth./doingsth.”的词组中 ,这时 ,介词要用in,而不用on。例如 :

1.I take(a)pride in my work.我为自己的工作感到骄傲。

2.We take great pride in offering the best service in town. 我们以能够提供全城最好的服务而自豪。

从上述实例中,我们可以看出,pride既可作动词用,又可作名词用,但是各自所用的介词是不同的。因此,原句宜改为:He prides himself on the fact that he does not have to work hard tobe better than others and gives up learning completely. 也可改为 :He takes(a)pride in the fact that he does not have to work hard tobe better than others and gives up learning completely.

二、动词contribute的搭配用法

在《100篇》p.68上,有以下一句:

I believe that the three R principles can contribute a lot toreach the eco-friendly destination.

笔者认为原句中的动词“contribute”用法有误。“contributeto”作“有助于 ,促成 ;是……的部分原因”解 ,其中的to是介词 ,后面跟sth.或doing sth.,不跟to do sth.。例如:

1.Plenty of fresh air contributes to good health. 充足的新鲜空气有益于身体健康。

2.The driver’s carelessness contributed to the accident. 司 机的粗心大意是造成这场事故的原因之一。

3.Can robots contribute to preventing environmental deterioration?机器人能有助于阻止环境的恶化吗 ?

4.As is known to us,good learning habits contribute to improving?learning efficiency. 众 所周知 , 好的学习习惯有助于提高学习效率。

从上述实例中, 我们可以看出,“contribute to”词组中的“to”是介词,不是不定式符号。因此,原句宜改为:I believe thatthe three R principles can contribute a lot to reaching the eco friendly destination. 也可改为 :I believe that the three R principles can help a lot to reach the eco -friendly destination. ( 把contribute改为help,其后可跟 (to)do sth.)

三、动词see的搭配用法

在《100篇》p.84和p.86上,分别有以下一句:

As far as I see it,the resentment towards the rich results fromthe widening gap between the rich and the poor and also the impression that“rich guys usually get their way”.

As far as I see it,there are two main advantages—environmentally-friendly and healthy.

笔者认为,以上两句中的动词“see”用法有误,“as far as Isee it”不符合英语的表达习惯。在要表达 “在我看来 ,依我看来,依我之见,就我所知”时,英语中,我们既可说“as far as Ican see”,又可说“as I see it”。前者没用it,后者不可缺少it,二者不可混用。例如:

1.That’s the problem as far as I can see. 在 我 看 来 , 那 就 是问题所在。

2.As far as I can see,at least four different weapons wereused.依我之见 ,至少使用过四种不同的武器 。

3.As I see it,there are two alternatives.We can either staywith your parents or rent a place.在 我看来 ,有两种选择 。 我们可以跟你父母住也可以租房住。

4.As I see it (=according to my view of the situation),theblame lies with the driver.依 我看 ,这责任在司机 。

从以上实例中,不难看出,英语中无“as far as I see it”的搭配用法。因此,原句宜改为:1. As far as I can see,the resentmenttowards the rich results from the widening gap between the richand the poor and also the impression that“rich guys usually gettheir way”.2. As far as I can see,there are two main advantages—environmentally-friendly and healthy.也可改为 :1. As I see it,theresentment towards the rich results from the widening gap betweenthe rich and the poor and also the impression that“rich guys usually get their way”. 2.As I see it,there are two main advantages—environmentally-friendly and healthy.

四、动词justify的搭配用法

在《100篇》p.169上,有以下一句:

In conclusion,universities are justified to bond with enterprises and accept their financial support.

笔者认为,原句中的动词“justify”用法有误。根据英语的表达习惯,“be justified”后一般不跟“to do sth.”,而要用“in doing sth.”或“in sth.”, “be justified in doing sth./sth.”是固定 搭配用法。例如:

1.She felt fully justified in asking for a refund.她 觉得有充足的理由要求退款。

2.I think I’m completely justified in asking for her resignation.我 认为 ,我要求她辞职是完全合理的 。

3.Is he justified in his criticisms?他的批评有道理吗 ?

4.Charwell had been perfectly justified in his action. 查 威尔的行为已证明是完全正当的。

从上述实例中,我们可以看出,“be justified”后不可跟“to dosth.”。因此, 原句宜改为:In conclusion,universities are justifiedin bonding with enterprises and accepting their financial support.

五、动词result的搭配用法

在《100篇》p.212上,有以下一句:

In my opinion,the upsurge is resulted from two-fold factors.

笔者认为,原句中的动词“result”用法有误。根据英语的表达习惯,“result from”和“result in”都用主动式,不可用被动式。例如:

1.The damage resulted from the fire.这损失由火灾所致 。

2.His lameness resulted from an accident. 一次事故造成了他的跛足。

3.Sickness often results from eating too much.过 量进食常会导致疾病。

4.The game resulted in a win for our side.比赛结果为我方获胜。

从上述实例中,我们可以看出,动词词组“result from”不可用于被动式。因此,原句宜改为:In my opinion,the upsurge results from two-fold factors.也可改为 :In my opinion,two-fold factors result in the upsurge.

六、动词reward的搭配用法

在《六级》2013年12月大学英语六级考试真题(第三套)作文高分范文中,有以下一句:

During his lifetime which symbolizes the triumph of the human spirit,Nelson Mandela was rewarded the 1993 Nobel PeacePrize.

笔者认为,原句中的动词“reward”用法有误。在英语中,动词“reward”和“award”在用法上是有区分的。

动词“reward”作“报答;奖励”解,常用于“reward sb.for(doing)sth.”和“reward sb.with sth.”的句型中 ,前者“with”后跟的名称是具体名称,表示所奖励的物品等,后者“for”所跟的成分表示奖励的原因。有时,二者可合用,即“reward sb.with…for(doing)sth.”。例如 :

1.She started singing to the baby and was rewarded with asmile.她开始给孩子唱歌 ,孩子则报以微笑 。

2.They rewarded him (for his great help)with a gift of money.他们奖给他一笔钱(以酬谢他鼎力帮助。

3.They rewarded the boy with £5 for bringing back the lostdog.他们因男孩带回那条走失的狗奖给他5英 镑 。

动词“award”作“授予;给予”解,可用在“award sb.sth.”和“award sth.to sb.”的句型中 ,其中的名称为奖品或荣誉称号等。例如:

1.They awarded him a medal.他们授予他一枚奖章。

2.I was awarded the Nobel Prize.我获得了诺贝尔奖。

3.The prize was awarded to me for excellence in French. 我因法语成绩优异而获奖。

4.The degree of B.A.was awarded to him.他 被授予文学学士学位。

从上述实例中,我们可以看出,动词“reward”和“award”的不同用法。因此,原句宜改为:During his lifetime which symbolizes the triumph of the human spirit,Nelson Mandela was awardedthe 1993 Nobel Peace Prize.

七、动词arouse的搭配用法

在《新题型预测》“Should Rewards for Doing A Good Deedbe Promoted?”的作文范文里 ,有以下一句 :

However,in recent years there has aroused a heated debatedas to whether people should be rewarded for doing a good deed.

笔者认为,原句中动词“arouse”用法有误。在由“There”开头的句子中, 其后的动词不能用及物动词, 往往用不及物动词,如come,remain,lie,stand,arise及exist,等等。主语退居后面,目的是突出主语的意义分量。例如:

1.There comes a point where you give up.现在该你认输了。

2.There remains the problem of finance.财政问题仍然存在。

3.There lies a large field of rice in front of our village. 在我们的村庄前面有一大片稻田。

4.There stands a high monument in the middle of the square.广场中央矗立着一座高大的纪念碑。

5.There arises a certain insincerity in our philosophic discussions.在我们哲学的讨论里发生了一种不诚实的情况 。

6.There always exists a force of attraction between two bodies.两个物体之间永远存在着吸引力。

从上述实例中,我们可以看出,动词“arouse”是及物动词,作“激起;引起”解,不能用于“There+动词(不及物动词)+主语(名称主语 )”的句型中。

因此,原句宜改为:However,in recent years there has arisena heated debate as to whether people should be rewarded for doinga good deed.动词arise作“发生 ;产生 ;出现”解 ,是不及物动词 ,可用于上述特定句型中。

篇4:英语作文快行道(1)

写好英语作文不是一件易事,但也并非“蜀道”之难攀。只要掌握它的内在“章法”,进入英语作文的“快行道”,加速前进也不是什么难事。从相关的词汇、句型、句式入手,再扩展到篇章,掌握分类表达就是其中一种十分有效的办法。

★ 如何表达观点 ★

表达和陈述自己的观点是考查英语语言运用的一个方面。要想表达清楚自己的观点,你需要掌握以下常用的词汇和句式:

1、词汇:

单词:think、believe、opinion、view、concern、convince、surely、doubt等等

短语:Honestly speaking、To be honest(with you)、To tell the truth、In my opinion等等

2、句式:

I think....

I feel that....

As far as I'm concerned....

As I see it....

I tend to think that....

I'm for(against)....

I'm sure that..../ I'm certain that..../I strongly believe that..../ I have no doubt that....

It's obvious to me that....

It seems to me that....

It's well known to us that..../As is known to us, ..../As we all know, ....

It's a pity that....

As I see it, ....

We should....

In a word, we must....

阅读下面的范文,注意黑体标注部分在文中的使用。

The Value of Time

A proverb says, "Time is money." But in my opinion, time is even more precious than money. Why? Because when money is spent, we can earn it back. However, when time is gone, it will never return. This is the reason why we must value time.

It's well known that the time we can use is limited. Therefore, even an hour is extremely precious. We should make full use of our time to do useful things. As students, we must be dedicated in our studies so as to serve our country in the future.

But it is a pity that there are a lot of people who do not know the importance of time. They spend their precious time smoking, drinking and chatting. They don't realize that wasting time is equal to wasting a part of their valuable life.

In a word, we should form the good habit of saving time. Do not put off what can be done today until tomorrow.

小试身手

用你学过的表达观点的词汇或句式,补全下面短文的内容:

(1)________, "Failure is the mother of success." But few people can really understand what the saying means.

In the world, (2)________that no one dare say he hasn't met any trouble all his life. (3)________ face failure. In fact, failure is not fearful, but the important thing is how to face it correctly. When facing failure, some people will never accept their fate lying down. They will try their best to work harder and harder until at last they succeed. (4)________, some people will lose heart after they have failed. (5)_______they do nothing but feel sad all day and night. (6)________, they will (7)________ lose the chance of success and (8)________ never have a chance to enjoy the pleasure of success.

My friends, whenever you are in trouble, please remember, "Failure is the mother of success." We must learn to face failure correctly.

内容提示:

世界上没有哪个人敢说他一生中没有遇到过麻烦,从来没有失败过。人们也知道“失败是成功之母”。但不是每个人都能正确对待失败。敢于面对失败,不受命运摆布,全力以赴辛勤工作的人最后会获得成功;相反,那些不敢面对挫折,失败后终日沮丧,放弃理想无所事事的人会丧失成功的机会,也就更不可能有机会享受成功的喜悦。因此,我们应学会正确面对失败。

★ 如何按时间顺序表达事件 ★

描述或说明事物时,常以时间为主线来组织安排材料,扩展段落。按此方法写出的文章会显得条理清楚、连贯流畅。要运用这种写作方法,你需要掌握以下常用的表示时间的关联词语:

·标志已发生或过去的:in the past、ago、formerly、earlier、at that time、just now等

·标志正在发生或现在的:now、presently、until now、so far等

·标志将来或后来发生的:soon、thereafter、hence等

·标志发生顺序先后的:since、before、after、(and) then、next、later、as soon as、after a while、first、second、finally等

·标志同时进行或即时性的:meanwhile、in the mean time、during、at the same time、while、when等

阅读下面的范文,注意黑体标注的部分在文中的使用。

The History of Marriage

Marriage, as a custom, goes back to the very earliest history of man. It has passed through three stages. The first was marriage by capture(n. 抢夺). Primitive(adj. 原始的) man simply stole the woman he wanted for his wife. Then came the marriage by contract or purchases: a bride was bought by a man. Finally came the marriage based on mutual(adj. 相互的) love. But even today we still have traces of the first two stages. "Giving the bride away" is a relic of the time when the bride was really sold. The honeymoon symbolized the period during which the bridegroom was forced to hide his captured bride until her kinsman(n. 同族的人) grew tired of searching for her!

小试身手

Exercise A

用本节学过的表达时间的关联词语填空:

(1)________ my life, I lived an unstable and movable life. (2)________ I was only three years old, my family had to leave my hometown because of the war. (3)________we moved to Shanghai, (4)________ to Hong Kong, (5)________ to Singapore, (6)________ we came to America. (7)________ we lost our relatives one after another.

Exercise B

按时间顺序排列下面句子,使其文理通顺:

a. Consequently when I got there, I was late for the interview that had been scueduled at 8 o'clock.

b. I quickly got dressed and rushed out of my house.

c. Still, I missed the train.

d. The alarm clock didn't wake me up as usual on Monday morning.

e. It was really a miserable and busy morning.

f. All I could do was to wait for the next one fifteen minutes later.

篇5:八下英语作文范文1

【教学目标】 1.2.学习宾语从句的时态;

就有关服装秀的话题进行谈论。

【重难点】

1.宾语从句的时态灵活运用 2.口语交际,谈论服装秀。【教学过程】

复习---复习Unit 7Topic 3的单词和短语

1.类似的,相像的_____

构成的短语__________ 2.北方的,北部的______

在中国北方__________ 3.as well as ________ Lily as well as her friends often _____(go)to the park.4.patient(1)n.________(2)adj._______ It’s patient _____ mothers to look after their babies.5.在某人看来__________ 6.在某人的日常生活在____________ 7.着装得体__________ 导入——播放一段时装秀视频,激发学生的学习兴趣,观看后,师生谈论相关内容,引入本课主题。

呈现——①播放1a录音,设置听力任务,让学生听录音回答问题,核对答案。

②让学生看1a动画,听对话,理解对话内容。

③让学生再听1a录音,完成1b,核对答案。注意宾语从句与主句时态的呼应。

④学生听录音跟读对话,之后两人一组对话练习。接着让学生结合提示词两人一组表演对话或分组对话。然后引导学生分组讨论,找出1a中重要的知识点; ⑤引导学生找出对话中的宾语从句,并画线,注意时态。

练习——①利用上面的例句,总结宾语从句构成四步法

然后出示2的例子图片,引导学生两人一组结合图片对话练习宾语从句;

②依次呈现2中的三幅图片,请学生对话练习或分组对话练习。

检测——通过让学生抢答或齐答的形式完成练习,检测并反馈学生的学习情况。小结——引导学生归纳本堂课的单词、句型等功能项目,让学生能把握整堂课的重点。

作业——设计了书面显性作业及课文朗读、对话练习、预习新课等隐性作业。

篇6:八下英语作文范文1

一、教学目标

1.敢于预测未来

2.学习一般将来时表达法

3.能谈论过去、现在和将来

二、教学向导

语言功能

对未来进行预测

陈述表达各自观点

语言结构

一般将来时,will的用法

用Yes/No做简短回答用more,less.fewer表达数量

学习策略与思维技巧

预测未来

排列先后顺序

三、主题词表

四、主题思维图及任务型活动

五、教学重点难点及突破

SectionA

◆重点

由will构成的一般将来时态的句式,特别是there be 句式的一般将来时态there will be…。

◆难点

more,less,fewer的用法。

◆教学突破

使用不同的时间来训练与对比,由一般过去时态、一般现在时态而过渡到一般将来时态;根据模似的图片展示,引导学生通过一定量的口语交际,训练more,less,fewer的异同。There will be more/less/fewer people(leisure time,cars,pollution,trees…)

六、教学步骤

一、情境导入

1、师生口语随意性交际,涉及What’s the date today?What’s your name?No you like school?Do you like to do homework/housework?Do you want to live on the moon?等。

2.在黑板上写下四个日期:今天的日期,一年后的日期,五年后的日期,十年后的日期。

3.针对一年后的日期,向学生提问:What will be different in your life one year from now?如:Will you be at this school in a year?Will you bein my class in a year?Will you live in this town in a year?等。

4.针对五年后的日期,向学生提问。

Will you live in this town in five years?

Will you be in college in five years?

Will you have a job in five years?等。

5.针对十后的日期,向学生提问。

What job will you have in ten years?

Will you change your job in ten years?

Will you have childen in the years?等。

6.写下学生不同的回答,并在will下用红色粉笔画线,以示强调学生注意。

二、教学环节

1.教师将时间延伸到未来1,再来谈论100年后的情形。利用实物(如信用卡、纸币)或儿童玩具(玩器人)来呈现生词,领读生词。

2.朗读la中的六个句子,要求学生表明态度agree或disagree,巡视全班,以便给学生解疑。

3.指出学生不同的观点,并要求他们作简要阐述。

4.播放录音两遍,引导学生听力训练。

5.朗读lc中的对话,再读学生进行对话操练。

6.引导学生根据lc中的示范对话,进行自骗对话,如谈论书籍等。请学生分组对话,说出他产自编的对话内容。

7.播放2b的录音,要求学生圈出所听到的单词(more,less,fewer)。

8.在黑板上写下一些不可数名词和可数名词,引导学生使用more,less,fewer进行口语训练,提示这三个词的用法区别。领读2c中的对话,再引导学一进行课堂口语交际。

三、协作学习

1.呈现3a中Sally的图片,要求学生看图片并填出图片下的空格。

2.引导学生操练3a中对话。

3.要求学生write about themselves,填出3c中的空格。

4.要求学生画一幅虚拟的未来城市的图画,然后向同学们进行描述。

Section B

重点

让学生学会使用will来作预测。

教学突破

引导学生对他人和自己ten years ago,now和ten yers from now的生活作简洁的回顾与设想,并以书面的形式表达出来。

一、听力训练

1、引导学生学习la中表格上方的词汇,并将它们分类填入表格。

2、引导学生根据表格中的Jobs,Trans-portation,Place to live的相关内容,写出已学过的词汇。

3、播放对话录音两遍,引导学生给图片排序。

4、播放对话录音两遍,引导学生选词填空并朗读2b中各句。

二、口语能力的培养。

1、引导学生作短暂的准备,然后对Alexis或Joe的ten years ago,now和ten years from now的生活的回顾与设想,要求学生面对全体同学作1-2分钟的独白式陈述或两两对话式的表演,完成2c中的Pairwork任务。提示学生可以应用2b中的句子。

2、给学生3-5分钟,阅读3a中关于上海的短文,完成短文后表格内容。

3、要求学生模仿3a短文中的内容,写一写对自己十年后的生活的设想,然后选一些读给全班同学听。

4、引导学生回答一些问题,如Which country will win the next World Cup?What do you think the weather will be like?Which mouies will win Oscars at the Academy A wards?What will teenagers do for fun twenty years from now?等。

文 化 阅 读

重点

培养学生阅读习惯

教学突破

我们可以围绕课文,采取不同形式的教学方法,引导学生欣赏优美的英语语言,动人的故事情节,体会作者的风格,了解作者所要表达的中心思想。那么,要训练学生的阅读能力,阅读之前应该给出的问题,让他们去分析问题并解决问题,并留给学生10-15分钟的时间让他们认真细致地阅读。

一、学生预测问题的答案

提出要求让学生阅读问题,猜测答案,再核对答案。

二、阅读能力的培养

1、要求学生阅读短文,并注意找出古埃及、英国、美国、中国有关保龄球的事。

2、引导学生猜测文中出现的生词,并教授文中黑体词汇。

3、要求学生完成第3部分和第4部分的练习。

4、要求学生能掌握第3部分用简易的英文解释词汇。

单元教学总结

通过本单元的教与学,学生在很轻松的课堂氛围里,学会了“发表意见opin-ions”,掌握了功能项目“作预告Make predictions”,即学会了对未来进行预测,并学会了使用构成一般将来时态的will。同时,激发了学生的浓厚的学习兴趣,培养了学生英语思维能力。

问题探究与拓展活动

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