Unit 3 Look and see习题4
上海教育版英语四年级下册Module 1 Unit 3《look and see》(第2课时)课件
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Read and match
A
B C
Think and say
How does the shadow change?
The sun rises in the morning.
The shadow is long.
The sun is high in the sky.
The shadow is short.
What is it? sh_ad_ o_ w
Let’s guess
Look at the shadows. Who are they?
Humf
Humf’s dad
Does the shadow change from morning to evening?
How does it change?
When there is light, we have shadows.
When there isn’t any light, we have no shadows.
Look at the shadows. What are they?
Can you make the shadows?
Homework
___A_t__n_o_o_n__, the sun is high in the sky. The shadow is short.
The sun rises ___i_n_t_h_e_m__o_r_n_i_n_g__. The shadow is long.
Look and think
What is high in the sky? When can we see them?
Where is my shadow? Why?
It’s cloudy.
牛津上海版四下Unit 3《Look and see》word教案(省优)
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Unit 3 《Look and see》教案一、教材分析本模块的主题是Fellings. 通过不同的感官来感受事物。
第一单元是通过触摸物体来描述物体的性状,第二单元是通过嗅觉和味觉来感受不同食物的特点。
而本单元那么是通过观察,并结合自然现象来描述事物的变化。
在本单元的学习过程中,要求同学们可以用rise, go down, shadow, high, sky, noon.等词汇来描述一天中太阳的变化。
二、学情分析本课与自然知识相联系,涉及到学生们所学的自然科学知识,又与我们日常生活紧密相关,这对于学生来说充满了极大的兴趣,他们喜欢观察、思考、表达,这非常有利于她们在对话中进行发挥,能够对知识加深理解。
三、教学目标:1. 能正确地听、说、读、写词汇rise, go down, shadow, high, sky, noon.2.能正确使用句型The sun …in the…来描述一天中太阳的方位。
3. 能用一般现在时正确描述太阳和影子在一天中的变化。
四、教学重点:单词:rise, go down, shadow, high, sky, noon 。
句型:The sun…in the… The shadow is long/short.五.教学过程:1. Warm upGreetingsSing a song: 《Twinkle,twinkle, litter star》活泼气氛。
Ask and answer:T: What is the song about?S1: It’s about stars.T: Yes, can you see stars in the daytime?S2: No, I can see stars at night.T: What else can you see in the sky at night?S3: I can see the moon.T: What else can you see in the sky in the morning?S4: I can see the sun.2. Presentation(1) Let ’s revise the words ‘star , moon, sun, noon, night, evening’. Teacher draws the pict ures.〔边说单词边画画〕(2). Read the phrases:in the morning, in the afternoon, in the evening, at noon, at night.注意介词的使用。
沪教版四年级下册英语Unit3 Look and see讲义
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Unit 3 Look and see 一、基本知识点(一)词汇:rise [raɪz]升起noon [nuːn] 中午evening ['iːv(ə)nɪŋ] 傍晚;晚上night [naɪt] 夜晚high [haɪ] 高的sky [skaɪ] 天空moon [muːn] 月亮shadow ['ʃædəʊ] 影子again [ə'gen; ə'geɪn]再;又him [hɪm] 他stop [stɒp] 停下(二)短语:at noon 在中午at night 在夜晚go down 落下take a walk 散步(三)句型:1.The sun rises in the morning.早上太阳升起。
2.The sun goes down in the evening.傍晚太阳落下。
3.At noon, the sun is high in the sky.中午,太阳高高挂在天上。
4.He sees a black shape behind him.他看到身后一个黑影。
5.The black shape runs too.那个黑影也跑起来。
6.Henry the dog takes a walk in the morning.早上小狗亨利去散步。
(四)重难点、易错点:1. 学习介词in搭配时间的用法:in the +morning/afternoon/evening (在早晨/中午/晚上)2. 学习介词at搭配时间的用法:at+noon/night (在中午/晚上)3. 知道字母组合ph和wh在单词中的发音:/f/: photo Philip/w/: what whale white二、典型例题1. He is in front of ________; I am behind ________.A.I; himB. me; himC. I; he【解析】答案:B. 考查人称代词宾格,in front of 为介词短语,后加宾格;behind 也是介词,需要加宾格。
沪教版小学四年级英语下册 Unit 3 Look and see 教学设计
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Unit 3 Look and see单元教学设计主备课人及学校:授课时间:年月日- 年月日教学设计首页Students can understand and sing the song correctly .Unit 3 look and seeevening night moonAt night, the moon is high in the sky.教学设计续页教学流程个性化调控Pre-task preparations:GreetingsGood morning!T shows a picture on the screen.T: Look! There are some stars in the sky. Are they beautiful?Ss: Yes,they are beautiful!T: Do you like the stars?Ss: Yes.T plays the video,Ss listen and understand the song.Ss learn to sing the song: twinkle, twinkle ,little starSs say and act the song.While-task procedures:(一).Lead in: Guess a riddle:T: You walk, it walks too;You run, it runs too;You stop, it stops too.Guess: What is it?Ss: It is a shadow.(二). Learn the words:T shows some pictures, Ss look and see: How does the shadow change?Asks: What can you see in the sky?Ss look and learn the words:In the morning/ in the evening The shadow is long.At noon, the shadow is short.T shows a picture about night, and asks: What can you see in the sky?the moon starsSs try to say:I can see the moon in the sky.I can see many stars in the sky.Post-task activities:1.T shows three pictures, Ss look and try to say:In the morning, the shadow is long.At noon, the shadow is short.In the evening, the shadow is long too.2.Watch the video and students say the changes ofthe shadow.3.Find a shadow around you.当堂达标设计一.Look and write._______________ _____________ ____________二.Look and match:at noon in the morning in the evening教学反思现象与归因分析改进措施教学设计首页教学设计续页当堂达标设计一.Look for the opposite words:rise_______________ long _____________二.Fill in the blanks:1).The sun _____ in the morning. The shadow is ______.2).At noon, the sun is high in the sky. The shadow is ______.3).The sun ________ in the evening. The shadow is ________.4).At _____, the moon is high in the sky.教学反思现象与归因分析改进措施教学设计首页Unit 3 Look and seeThe black shape runs too.Henry’s shadow = (Henry’s new friend) ph (photo) Philip photograph telephone wh (whale) white wheel what教学设计续页教学流程个性化调控Pre-task preparations:1.Warmer-up: Whose shadow is it? It is the shadow of....Ss: It is the shadow of a whale/ phone.2.Can you read these words?3.Watch the video and learn the sounds.ph (photo) Philip photograph telephonewh (whale) white wheel whatWhile-task procedures:1.Lead in: What is it? What’s his name?T: do you want to know Henry’s new friend? Ss: Yes.Let’s learn the story : Henry’s new friend2.Watch the story and match the pictures.3.Learn the story from the very beginning.Ss understand the story, and learn to say one picture by one picture.4.Read the story together and try to act it out.Ss practice in different ways: Ss read together, work in groups .Post-task activities:1.According to the story, Ss try to fill in the blanks:Henry’s new friendHenry the dog takes a walk in the morning. He ____ a black shapebehind ____. “What’s that? Is it a big black dog?”Henry says. Henry isafraid. Henry runs. The black shape ____ too. Henry ______. The blackshape stops too. “Oh, you’re my ________,”Henry says. Henry likes hisnew ______. “Let’s play together,”Henry says.2.Enjoy some pictures and read the sentences.Be friends,be happy.当堂达标设计一.Ss read the story and do the exercises:True or False (1). Henry sees a big black dog behind him. ()(2). The black shape runs after Henry. ()(3). The black shape is Henry’s shadow. ()(4). Henry does not like his shadow. ()二.Oral work:Ss understand, say and act the chant:教学反思现象与归因分析改进措施。
沪教版三起四年级下册英语unit3lookandsee教案
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沪教版三起四年级下册英语unit3lookandsee教案一、教学目标1.学会掌握单词:flower, butterfly, river, sea,mountn, bird。
2.能够用英语简单描述这些事物的特征。
3.学会听懂老师和同学简单的英语交流,并能够回答简单的问题。
4.能够准确地朗读本单元的对话。
二、教学重点1.单词的学习和运用。
2.对话的朗读和理解。
三、教学准备1.本单元的课件和相关资料。
2.英语单词卡片。
3.绘本和课外参考资料。
四、教学过程Step 1. Warming up1.Greet the students and review the previouslesson.2.Show some pictures of flowers, butterflies,rivers, seas, mountns, and birds to the students, and ask them the names of these things in English.3.Play a game with the students to review thewords they have learned.Step 2. Presentation1.Present the new words and help the students understand their meanings.e the words in simple sentences to help the students remember them.e pictures and real objects to help the students understand the words better.Step 3. Practice1.Ask the students to repeat the new wordsafter the teacher.2.Group work: Students work in groups of three or four. Each group chooses one word from the six words they have learned and discusses its features. After that, one student from each group presents their discussion to the class in English.3.Role play: Students are divided into prs. Each pr practices the dialogue in the textbook and acts it out in front of the class.Step 4. Production1.Ask the students to use the six words they have learned to make a sentence, and then share their sentences with the class.2.Students draw pictures of one of the six words they have learned, and then present their pictures to the class and describe what they have drawn in English.Step 5. Homework1.Preview the words and dialogue in Unit 4.2.Read a storybook about nature in English.3.Watch an English movie or TV show about nature.五、教学评价1.通过观察和听取学生的表现,评价其单词的掌握程度和对话的理解能力。
八年级上册英语unit3-4知识点汇总
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八年级上册英语unit3-4知识点汇总复习需要讲究正确的复习方法,抓住重点反复练习,但也不是以偏概全的复习方式,下面是小编给大家带来的八年级上册英语unit3-4知识点汇总,希望能够帮助到大家!八年级上册英语unit3-4知识点汇总Unit3重点讲解1.“看起来”两不“像”:look like, look the sameAs you can see, in some ways we look the same, and in some ways we look different.就像你看到的那样,在某些方面我们看起来一样,在某些方面我们看上去不同。
look like, look the same都可以表示“看起来像”之意。
(1)look like是由“不及物动词look+介词like”构成的动词词组,后面需接一个宾语。
若表示“某人(物)十分相像”可用very much修饰。
Lily looks like your younger sister very much. 莉莉看上去很像你妹妹。
(2)look the same是一个固定词组,表示主语所包含的两个或两个以上的事物看起来一样,主语一定是复数,其动词look不可能出现looks形式。
Look the same后面不再接其他成分,也不能用very much修饰。
Are you twins? You look the same. 你们是双胞胎吗?你们看起来一样。
【练习】(1)Lucy looks _______her mother.A: same B: the same C: as D: like(2)Although they are sisters, they dont _______ ________ ________(看起来一样).2.all, both“都”不同We both have black eyes...我们都有黑色的眼睛......(P33)both 与all的用法相似。
沪教牛津版(深圳用)四年级英语下册Unit 3 Look and see 看和看见 知识梳理
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沪教牛津版(深圳用)四年级英语下册Unit 3 Look and see 看和看见语块整体记忆习惯搭配/短语:in the morning在早晨at noon在中午in the sky在天空中go down落下in the evening在傍晚at night在夜晚必会词汇rise升起[raɪz];第三人称单数rises[ˈraɪzɪz];过去式rose;形近rose玫瑰例句The sun rises in the east.太阳在东方升起。
shadow影子例句My shadow is short at noon.我的影子在中午很短。
noon中午;形近moon月亮;合成afternoon下午;短语at noon在中午例句My father usually has a nap at noon.我爸爸通吊在中午睡一觉。
high高的;比较级higher更高的;最高级highest最高的;其他词义high高尚的;崇高的;近义tall高的;对应low低的;同音hi你好例句It's a high building.它是一幢很高的建筑物。
sky天空;对应ground地面;形近ski滑雪,shy害羞的;联想cloud云短语in the sky在天空中例句There is a plane in the sky.天空中有一架飞机。
go down落下例句The sun goes down. Let's go home.太阳落下了,我们回家吧。
evening傍晚;晚上;联想morning上午,afternoon下午,noon中午,night夜晚例句Tom likes watching TV in the evening.汤姆喜欢在傍晚看电视。
again再;又;形近gain获得巧记a+gain(获得)=again(再;又)例句Can you say it again, please?请你再说—遍好吗?night夜晚;形近light光,right对的;近义evening傍晚;晚上对应day白天;近音net /net/网;短语at night在夜晚,day and night夜以继日例句We are going to see a movie tomorrow night.我们打算明天晚上去看电影。
牛津上海版(深圳)英语四年级下册Unit 3《Look and see》ppt课件
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What
Henry stops. The black shape stops too.
Henry likes his new afraid
Sound
photo
What can you see in the photo. I can see Philip. I can see Philip’s toy whale. And it’s white tail.
whale
Try to read单词)
phone
elephant
wheat
wheal
shadow
Let’s learn.
Read and find.
How’s the shadow changes? The shadow is long. The shadow is short. The shadow is long again .
The sun rise ____ in the morning. The shadow is long.
night the moon high in the _____. sky 4. At ______, ______ is _____
Story time.
Read the story and answer the question:
Why is Henry afraid?
What’s that?Is is What a big black dog?
Unit 3 Look and see
Sing a song.
Review
star
moon
noon
night
evening
in the morning
人教PEP版四年级英语上册Unit 3 课后练习题(带答案)
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人教PEP版四年级英语上册Unit 3 课后练习题(带答案)第一课时A. Let’s talk;Let’s play一、根据图片圈出正确的单词。
1. (His Her )name is Jack.2. ( His Her ) name is Lucy.3. ( He She ) is tall.4. ( He She ) is thin.二、为下列问句选择正确的答句。
( ) 1. What’s your name?A. My name is Amy.B. Her name is Sarah. ( ) 2. What’s his name?A. My name is Sarah.B. His name is John. ( ) 3. What’s her name?A. Her name is Amy.B. His name is John.三、连词成句。
1. tall He and is strong (.)________________________________________________________ 2. His is Zhang Peng name (.)________________________________________________________ 3. What her is name (?)________________________________________________________答案:一、1. His 2. Her 3. She 4. He二、1.A 2. B 3. A三、1.He is tall and strong. 2. His name is Zhang Peng. 3. What is her name?第二课时A. Let’s learn; Let’s chant一、选择正确的字母补全单词。
( ) 1. t__l A. al B. ul C. ol( ) 2. sh__t A. al B. ol C. or( ) 3. qu__t A. er B. ie C. ai( ) 4. th__ A. an B. in C. en( ) 5. str___g A. an B. un C. on二、判断下列句子与图片是否相符,是写T,否写F。
牛津上海版(深圳)四年级下册Unit 3《Look and see》ppt课件
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Practice.
Match.
Make and say.
The sun____in the____. Look at the tree. It’s shadow is____.
Fill in the blacks: moon/sky rise/go down high morning/noon/evening/nigh
4. At _n_i_g_h__t, them__o__o_n_ is _h_i_g_h_ in the _s_k_y__.
Story time.
Read the story and answer the question:
Why t?Is is a big black dog?
shadow
Let’s learn.
Read and find.
How’s the shadow changes? The shadow is long.
The shadow is short.
The shadow is long again .
The sunr_i_s_e_ in the morning.
And it’s white tail.
Try to read the words:
(试着读出下面的单词)
phone elephant
wheat wheal
Homework.
1.Listen and repeat the text fluently. 2.Tell the changes of the shadow to your parents。
It’s yummy Henry is runs. The black shape runs too.
四年级下册英语一课一练-Moudle 1 Unit 3 look and see 牛津上海版(三起)(含答案)
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牛津上海版(深圳用)2018-2019学年小学英语四年级下册Module 1 Unit 3同步练习一、判断下列单词划线部分读音是否相同。
(共1题;共6分)1.判断下列单词画线部分读音是否—致, —致的打"正确", 不—致的打"错误"。
(1)moon noon ()(2)shadow window ()(3)make black ()二、单词拼写(共5题;共5分)2.The ________is high at night.3.My parents walk in the________.4.The________ is long.5.The ________rises in the morning.6.I watch TV at ________.三、单选题(共6题;共12分)7.The sun every day.A. riseB. setC. rises8.The sun down in the evening.A. goB. goesC. going9.You are _____ shadow.A. myB. meC. I10.He likes ______ new friend.A. heB. hisC. him11.He ______ a black shape behind him.A. seeB. seesC. look12.Let's _______ together.A. playB. playingC. plays四、根据所给语境,选择合适的选项。
(共4题;共8分)13.当你想告诉别人,“我喜欢我的影子。
”,你要怎么说()A. I like my shadow.B. I don't like my shadow.14.当你想告诉别人,“让我们一起玩。
”你要怎么说()A. Let's play together.B. Let's cut.15.当你想告诉别人,“太阳在早上升起。
2022-2023年人教PEP版英语三年级上册Unit4WeloveanimalsPartA含听力
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听力题听录音,选择你所听到的单词。
(____)1. A. jeep B. jump C. puppet(____)2. A. Kate B. cat C. kite(____)3. A. Mike B. milk C. mum(____)4. A. no B. nose C. noodles(____)5. A. leg B. pig C. dog【答案】B A B C C【解析】1. jump2. Kate3. milk4. noodles5. dog听力题听录音,选择你所听到的句子。
(____)1. A. It’s a cat. B. It’s fat.(____)2. A. What’s this? B. What’s that?(____)3. A. LLL, Look and see. B. MMM, mum and me.(____)4. A. It’s a bear. B. It’s a duck.【答案】A B A A【解析】1. It’s a cat.2. What’s that?3. LLL, Look and see.4. It’s a bear.听力题听录音,判断图片与录音是(T)否(F)相符。
(____)1.(____)2.(____)3.(____)4.【答案】F T T T【解析】1. The duck is on the truck.2. The book is in the bag.3. The dog is on the log.4. It’s a pig.字母题在四线三格里写出下列字母的左邻右舍。
【1】j【2】M【3】l【4】I【答案】【1】i; k【2】L; N【3】k; m【4】H; J【解析】【1】字母j的左邻是i,右舍是k。
故答案为i;k。
【2】字母M的左邻是L,右舍是N。
故答案为L;N。
【3】字母l的左邻是k,右舍是m。
故答案为k;m。
【4】字母I的左邻是H,右舍是J。
上海教育版四年级英语下册Look and see课件
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Ask and answer
Whose … is it? It’s …
上海教育出版社 四年级 | 下册
Ask and answer
Name Peter Joe Alice
上海教育出版社 四年级 | 下册
Age Hobby 10 Play the guitar 12 Play the violin 11 Play the piano
上海教育出版社 四年级 | 下册
Homework
上海教育出版社 四年级 | 下册
1.Read the story. 2. Retell the story.
3 plete the new story.
上海教育出版社 四年级 | 下册
See you!
谢谢观看!
Module 2 Unit 6
Music
presentation
上海教育出版社 四年级 | 下册
guitar
Post-task activities
上海教育出版社 四年级 | 下册
Miss Fang’s book
Post-task activities
上海教育出版社 四年级 | 下册
My mother’s bag
presentation
上海教育出版社 四年级 | 下册
Writing Part & Sum-up
Share the reading notes: The blind men are pitiful. We never laugh at them. We should help them. We should tell them the truth.
2. Play the game on Page 31with your partner, and then write down the dialogues on your exercise book.
牛津上海版四下Unit 3《Look and see》word教案(公开课)
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Picture2:noon,high,shortPicture3:evening,goes down, long againPicture4:night,moon,stars〔三〕Post-task activities出示根据Make and say栏目预先准备好的树图片和手电筒,告诉学生手电筒表示太阳,请学生根据教师的指令演绎太阳升起和落下的过程。
七、Homework抄写句子并听音跟读。
板书:Module 1 Unit3 Look and seemorning, sun, rises, shadow, longnoon, high, shortevening, goes down, long againnight, moon, stars第二课时一、教材分析本模块的主题是Fellings. 通过不同的感官来感受事物。
第一单元是通过触摸物体来描述物体的性状,第二单元是通过嗅觉和味觉来感受不同食物的特点。
而本单元那么是通过观察,并结合自然现象来描述事物的变化。
在本单元的学习过程中,要求同学们可以用rise, go down, shadow, high, sky, noon.等词汇来描述一天中太阳的变化。
二、学情分析本课与自然知识相联系,涉及到学生们所学的自然科学知识,又与我们日常生活紧密相关,这对于学生来说充满了极大的兴趣,他们喜欢观察、思考、表达,这非常有利于她们在对话中进行发挥,能够对知识加深理解。
三、教学目标:1. 能正确地听、说、读、写词汇rise, go down, shadow, high, sky, noon.2.能正确使用句型The sun …in the…来描述一天中太阳的方位。
3. 能用一般现在时正确描述太阳和影子在一天中的变化。
四、教学重点:单词:rise, go down, shadow, high, sky, noon 。
句型:The sun…in the… The shadow is long/short.五.教学过程:1. Warm upGreetingsSing a song: 《Twinkle,twinkle, litter star》活泼气氛。
沪教版三年级起点四年级英语下册教案Unit 3 Look and see_教案3
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Unit 3 Look and see【第三课时】【教学目标】1.帮助学生欣赏故事《亨利的新朋友》。
通过看图回答问题、判断正误等阅读反馈活动,引导学生通过阅读抓住关键信息,了解故事大意。
2.通过Make and say的活动,帮助学生复习和巩固本单元的核心句型。
3.帮助学生学习字母组合ph,wh在单词中的发音。
4.通过学习任务,帮助学生巩固和综合运用本单元所学的知识和技能。
【教学重难点】1.语音:ph (photo), wh (whale)2.词汇:him, stop3.句型:The black shape runs too.【教学准备】课件、音频【教学过程】Pre-task preparations1.打开手电筒,请一个学生上来对着手电筒的光做手势,介绍在墙壁上的手影。
S1: Look at my shadow. It's a rabbit.S2: Look at my shadow. It's a dog.2.用手电筒演绎太阳升起和落下的过程,引出shadow的变化。
T: It's morning. The sun rises, (move the torch) Look, children! There's a shadow under the tree. The shadow is in front of the tree. It's long. (write shadow—long) It's noon now. (move the torch) Now, the tree's shadow is short and small. (write shadow— short and small on the board) It's evening. The sun goes down. (move the torch) The tree's shadow is long again. (write shadow —long) 3.然后再次演绎,请学生说说shadow的变化。
Module1Unit3、Look,and,see课件4
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Read and think
How does Henry know the shape is his shadow?
Look and say Your shadow always follows you!
Henry the dog takes a walk in the morning.
He sees a black shape behind him.
Henry is afraid.
Henry runs. The black shape runs too.
Henry stops. The black shape stops too.
Henry likes his new friend.
Let’s … together!
Read and complete
Henry stops. The black shape stops too.
Henry likes his new friend.
Look and match c. a.
b.
a. Oh, you’re my shadow. b. Let’s play together. c. What’s that? Is it a big black dog?
ห้องสมุดไป่ตู้
What’s that? Is it a big black dog?
He sees a black shape behind him.
Look and learn
shapes
Henry is afraid.
Henry runs. The black shape runs too.
Oh,you’re my shadow!
Retell the story
上海教育版英语四年级下册module 1 unit 3《look and see》教案
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专题提升四 一元一次方程的易错点及应用解一元一次方程的易错点易错点1 移项不变号导致错误1.解方程:9-2x =7-5x.易错点2 去括号漏乘导致错误2.解方程:3x -7(x -1)=3-2(x +3).易错点3 去分母漏乘导致错误3.解方程:x -1-x 3=x +26-1.易错点4 分母小数化整数多乘导致错误4.解方程:0.1x -0.20.5-x +10.2=1.一元一次方程的应用5.有一包糖果,分给幼儿园某班的小朋友,如果每个小朋友分到6颗,则恰好有一个小朋友没有分到糖果;如果每个小朋友分到5颗,则多出5颗.那么这个班有小朋友的人数为( )A .8人B .10人C .11人D .22人6.(杭州中考)林地108公顷,旱地54公顷,为保护环境,需把一部分旱地改造为林地,使旱地占林地面积的20%,设把x 公顷旱地改为林地,则可列方程( )A .54-x =20%×108B .54-x =20%×(108+x)C.54+x=20%×162D.108-x=20%(54+x)7.某品牌自行车1月份的销售量为100辆,每辆车的售价相同.2月份的销售量比1月份增加了10%,每辆车的售价比1月份降低了80元.2月份与1月份的销售总额相同,则1月份的售价为____________元.8.为迎接国庆节的到来,某市准备用灯饰美化红旗路,采用A,B两种不同类型的灯笼200个,且B灯笼的个数是A灯笼的2 3 .(1)A,B两种灯笼各需多少个?(2)已知A,B两种灯笼的单价分别为40元和60元,则这次美化工程购置灯笼需多少费用?9.一个三位数,三个数字之和是24,十位数字比百位数字少2.如果这个三位数减去一个两位数所得的数也是三位数,其中这个两位数两个数字与百位数字相同,而得到的这个三位数三个数字的顺序和原来三位数的数字的顺序颠倒,求原来的三位数.利用一元一次方程解决方案决策问题10.椰岛文具店的某种毛笔每支售价25元,书法练习本每本售价5元.该店为了促销该种毛笔和书法练习本,制定了两种优惠方案.方案1:买一支毛笔赠送一本书法练习本;方案2:按购买金额九折付款.某校欲为校书法兴趣小组购买这种毛笔10支,书法练习本x(x>10)本.(1)请你用含x的式子表示每种优惠方案的付款金额;(2)购买多少本书法练习本时,两种优惠方案的付款金额一样多.11.已知某电脑公司有A,B,C三种型号的电脑,其价格分别为A型每台6000元,B型每台4000元,C型每台2500元.某中学计划将100500元钱全部用于从该电脑公司购进其中两种不同型号的电脑共36台.请你设计出几种不同的购买方案供该校选择,并说明理由.参考答案专题提升四一元一次方程的易错点及应用1.x=-232.x=53.x=-274.x=-435.C6.B7.8808.(1)A灯笼120个,B灯笼80个;(2)120×40+80×60=9600元.9.设百位数字为x,则十位数字为(x-2),个位数字为24-x-(x-2)=26-2x,根据题意,得[100x+10(x-2)+(26-2x)]-(10x+x)=100(26-2x)+10(x-2)+x,解得x=9,∴x-2=7,26-2x=8.∴原来的三位数是100×9+10×7+8=978.答:原来的三位数是978.10.(1)方案1:5x+200(x>10);方案2:4.5x+225(x>10).(2)购买50本时,两种方案实际付款一样多.11.方案一:若购买A,B两种型号的电脑.设购买A型电脑x台,则购买B型电脑(36-x)台.根据题意,得6000x+4000(36-x)=100500,解得x=-21.75.经检验,x=-21.75不符合题意,电脑台数不可能是负数或小数,故舍去.方案二:若购买A,C两种型号的电脑.设购买A型电脑x台,则购买C型电脑(36-x)台.根据题意,得6000x+2500(36-x)=100500,解得x=3.∴36-x=36-3=33(台).经检验,x=3符合题意,即购买A型电脑3台,C型电脑33台.方案三:若购买B,C两种型号的电脑.设购买B型电脑x台,则购买C型电脑(36-x)台.根据题意,得4000x+2500(36-x)=100500,解得x=7.∴36-x=36-7=29(台).经检验,x=7符合题意,即购买B型电脑7台,C型电脑29台.综上所述,购买电脑的方案共有两种:一种是购买A型电脑3台,C型电脑33台;另一种是购买B型电脑7台,C型电脑29台.Unit 2 This is my sister.第一课时Section A (1a-2d)A 基础起航Ⅰ.用括号中所给单词的适当形式填空。
Module1Unit3、Look,and,see教案4
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Unit3 Look and see1.To learn some new words and phrases in this unit.2.To know how to use these words and phrases.3.Attract students’ interest to English learning.1.New words, Grammar, sounds.Look at the pictures. Do you know when the shadow is the longest in a day? Why?一.必记单词二.必记短语三. 重点句型1.Look and see. 辨析:look和see【即学即练】请用look, look at或see填空。
1.Please _____ the blackboard, boys and girls.2.What other things can you _____ on the table?3._____ ! What are they doing under the tree?解析:1. look at 2. see 3. Look2.The sun rises in the morning.(1)sun(2)rise【即学即练】选择题() 1.The sun____in the morning.A.risesB.riseC.red() 2.The earth moves around ____.A.the earthB.the sunC.the moon 解析:1.A 2.B3.The shadow is long.(1)(2)辨析:long和tall【即学即练】选择题( )1. I am tall and I have ____ arms.A.longB.bigC.small ( )2. ---What does your brother look like?--- He is pretty ____ and heavy.A.longB.tallC.small 解析:1.A 2.B4.At noon, the sun is high in the sky. (1) 辨析:noon和afternoon(2)辨析:high和height(3)【即学即练】选择题() 1.At____,the sun is high in the sky.A.noonB.nightC.moon() 2.We have an English lesson in the ____.A.noonB.nightC.afternoon() 3.Look! There is a ____ mountain.A.highB.heightC.tall解析:1.A 2.C 3.A5.Henry the dog takes a walk in the morning.【即学即练】选择题() 1.My grandpa likes____in the morning.A.take a walkB.takes a walkC.taking a walk 解析:1.C6.He sees a black shape behind him.(1)辨析:behind, at the back of, after 在......之后(2)【即学即练】选词填空behind at the back of after1. He runs _____ her.2. I speak to the person standing _____ me.3. We sit _____ the bus.he him1. _____ is a driver. This is his taxi.2. We buy ______ a present, but _______ don’t like it.解析:1.after 2.behind 3.at the back of1. He2. him he1.一般现在时结构:主语+实义动词+其他。
2019-2020学年度英语四年级下册Unit 3 Look and see新版-牛津上海版拔高训练八十二
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2019-2020学年度英语四年级下册Unit 3 Look and see新版-牛津上海版拔高训练八十二第1题【单选题】当你想告诉别人,“太阳在傍晚落下。
”你要怎么说?( )A、The sun goes down in the evening.B、The sun rises in the morning.【答案】:【解析】:第2题【单选题】当你想告诉别人,“我喜欢我的影子。
”,你要怎么说( )A、I like my shadow.B、I don"t like my shadow.【答案】:【解析】:第3题【单选题】选出不同类的单词( )A、morningB、noonC、long【答案】:【解析】:第4题【单选题】The moon is high.( )A、B、【答案】:【解析】:第5题【阅读理解】阅读短文, 选择正确的答案。
Jill goes to school at seven 0"clock in the morning. Her shadow often goes with her. Sometimes her shadow stays behind her. Sometimes her shadow walks in front of her. Sometimes her shadow grows short and small. Sometimes her shadow grows big and strong. She likes her shadow. They are good friends.Jill talks about her .A、schoolB、shadowC、dayWhat time does Jill go to school?A、7:00B、7:30C、8:00Sometimes her shadow walks her.A、behindB、in front ofC、besideDoes Jill likes her shadow ?A、Yes, she does.B、No, she doesn"t.C、I don"t know.【答案】:【解析】:第6题【翻译】英汉互译。
教科版四年级上册英语练习Unit3
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教科版英语四年级上册Unit3练习一、选出不同类的单词。
( )1.A.living room B.bedroom C.kitchen D.house ( )2.A.for B.chair C.table D.sofa ( )3.A.in B.under rge D.behind ( )4.A.your B.big C.beautiful D.small ( )5.A.here B.what C.how D.where二、单项选择。
( )1.Welcome__________my new room.A.onB.toC.in( )2.--________your book,Ben?---It is on my desk.A.What isB.Where areC.Where is( )3.How many___________are there in the picture?A.rabbitB.dogsC.cat( )4.__________your bedroom big?A.IsB.DoC.Are( )5.--Are there any maps on the wall?--No,_________.A.they aren'tB.there areC.there aren't ( )6.-________you have a big house?---Yes,I do.A.AreB.DoC.is( )7.There________any books in the living room.A.areB.isC.aren't( )8.The house isn't small.It is__________.A.smallB.oldrge( )1.This is a bedroom.( )2.There is a clock beside the window. ( )3.There is a desk and a chair in the room. ( )4.There is a map and a picture on the wall. ( )5.There is a telephone in the room.参考答案:一、1.D 2.A 3.C 4.A 5.A二、1.B 2.C 3.B 4.A 5.C 6.B 7.C 8.C三、1.B 2.A 3.A 4.C 5.B四、(答案不唯一,仅供参考)1. Yes , I do./ No , I don’t.2. There are four/five.3. Yes, there is. / No , there isn’t.4. It is in the living room/bedroom.5. Yes , it is. / No, it isn’t.五、1.T 2.T 3.F 4.F 5.T。