最新人教版三年级英语情景对话练习
小学三年级英语情景对话(五篇)

【导语】情景对话要站在不同的⾓度,不同的场景⾥,基本上是⼀问⼀答的形式,把要说的内容以对话的形式呈现出来就可以了。
以下是®⽆忧考⽹整理的《⼩学三年级英语情景对话(五篇)》相关资料,希望帮助到您。
⼩学三年级英语情景对话篇⼀ Coco: What is your favorite animal? Costa: I like big animals. Costa: I like elephants. Coco: I like fast animals. Coco: I like horses. Costa: What is your favorite animal? Mimi:I like turtles. Mimi: Turtles are not big. Mimi: They are not fast. Mimi: But they run and run until they reach the goal!! Coco: Really? Coco: Then I like turtles,too. Costa: Yeah,Me too. 可可:你最喜欢的动物是什么? 科斯达:我喜欢⼤的动物。
科斯达:我喜欢⼤象。
可可:我喜欢跑得快的动物。
可可:我喜欢马。
科斯达:你最喜欢的动物是什么? 咪咪:我喜欢乌龟。
咪咪:乌龟并不⼤。
咪咪:它的速度也不快。
咪咪:但是它会⼀直跑,直到它达到⽬标! 可可:真的吗? 可可:我也喜欢乌龟了。
科斯达:是啊,我也是。
⼩学三年级英语情景对话篇⼆ What are you doing? 你在做什么? ChinChin: Costa, what are you doing? Costa: I am drawing pictures. Hahaha. ChinChin: Costa,you should draw pictures on paper. ChinChin: Not on Coco's face. Costa: Hahaha. But it is fun. Coco: What... what is this? Coco: Costa. Where are you? Coco: I will get you for this! 晨晨:科斯达,你在做什么? 科斯达:我正在画画。
三年级英语情景交际练习题40题含答案解析

三年级英语情景交际练习题40题含答案解析1.Hi! I'm Lily. Nice to meet you.Hello! I'm Tom. Nice to meet you, too.Hello! I'm Jack. Glad to see you.Hello! I'm Sam. See you later.答案解析:Hello! I'm Tom. Nice to meet you, too. 在初次见面时,通常用“Nice to meet you.”来打招呼,回应也用“Nice to meet you, too.”。
“Glad to see you.”也可以用于打招呼,但通常是熟人之间。
“See you later.”是告别用语。
2.Good morning!Good morning!Good afternoon!Good evening!答案解析:Good morning! 早上见面打招呼用“Good morning!”。
“Good afternoon!”是下午打招呼用语,“Good evening!”是晚上打招呼用语。
3.How are you?I'm fine, thank you.I'm very well.I'm good.I'm not fine.答案解析:I'm fine, thank you. 当别人问“How are you?”时,可以用“I'm fine, thank you.”“I'm very well.”“I'm good.”来回答,但“I'm not fine.”表示不好,不符合通常的回答习惯。
4.What's your name?I'm Lily.My name is Lily.This is Lily.That is Lily.答案解析:My name is Lily. 询问名字时用“What's your name?”回答用“My name is...”。
小学三年级英语情景对话【三则】

【导语】如今,英语已经成为了世界语,渗透在全世界的每⼀个⾓落,政治、经济、⽂化、娱乐,可以说,我们每天的⽣活,以及⽣活的每个⽅⾯,都在这种语⾔的影响之下。
所以,从⼩教育孩⼦学习英语,是为了将来更好融⼊社会⽽刻不容缓的事情!以下是⽆忧考整理的相关资料,希望帮助到您!【篇⼀】1.早上好,应该说: A.Good morning. B.Yes, Mr.Green. C.I’m sorry.2. 上课了,⽼师要同学们看⾃⼰,她会说: A.Look at the door, please. B.Look at me, please.C.Look at the blackboard, please.3.你请同学打开书,可以说: A.Please open the door. B.Please open the window. C.Please open the book.4. 今天来了新同学,你想问他叫什么: A.What is this?B.What your name?C.How are you?5. 你想知道那边的东西是什么,可以问: A.What’s this? B.What’s that?C.What would you like? 6. 请别⼈合上书,可以说: A.Open the door. B.Open the book. C.Close the book.7. 你想知道对⽅来⾃哪⾥说: A.Where are you from? B.Where are you? C.How are you?8. 上课时,我们在教室⾥不应该做的是: A.Eat a cake.B.Listen to the teacher.C.Don’t shout.9. 你想告诉对⽅,你的朋友是⼀名学⽣: A.He is my friend.B.My sister is a student.C.She is a student.10. 当别⼈问你,这是什么,应该问: A.What’s this? B.What’s that? C.What is it?11. 当别⼈问那是什么,你回答: A.What’s that? B.It’s a book.C.No, it isn’t.12. 你不确定这是不是⼀⽀铅笔时,可以问:A.Is this a pen? B.This is a pencil.C.Is this a pencil?13. 当别⼈问你这是不是你的书包时,你可以回答: A.Yes, it is. B.No, it is.C.It’s my schoolbag.14. 同学让你看他的新帽⼦,你可以说: A.How nice! B.Thank you.C.Look at my new cap.15. 你找不到你的蜡笔,可以问: A.It’s a crayon. B.What’s this?C.Where’s my crayon?16. 新来的同学,⼤家欢迎他应该说: A.Welcome.B. My name is Amy.lC.Nice to meet you.17. 同学让你看她的玩具汽车,她可以说: A.How nice! B.Thank you.C.Look at my toy car.18. 你想知道那个⼥⼈是谁,可以问: A.Who is that woman ? B.What’s this woman ? C.Who’s this woman ?19. 当别⼈送礼物给你时,你应该说: A.This is for you. B.Thank you.C.What’s that?20. 对⽅问那个男⼈是谁,你会说: A.Who is that man? B.Who is this man ? C.He is my father.21. 他的是你的哥哥吗,怎么问: A.Who is your brother? B.Is he your brother? C.Yes ,he is.22. 我有12个苹果,可以说: A.I have twelve apples. B.I see twelve apples. C.I has twelve apples.23.不要喂动物,可以问: A.Don’t feed the animals. B.Don’t feed the ducks.C.Not feed the animals.24. 想知道教室⾥的⼥孩是谁,可以问: A.Who's the girl?B.Is that girl your sister?C.Who's the woman?25. 长颈⿅是⾼的,你说: A.The giraffe is tall. B.The giraffe has tall.C.The giraffe have tall.26. 你想问他是不是他的爸爸时,你会说: A.Is he your father? B.Is he your uncle?C.Is she your father?27. 你告诉别*象有长⿐⼦,你会说: A.The elephant is a long nose. B.The elephant has a long nose. C.The elephant have a long nose.28. 你想告诉朋友那是你的爷爷,可以说: A.He's my father. B.This is my uncle. C.That's my grandpa.29. Nancy穿了⼀件漂亮的新短裙,你可以说:A.Look at my skirt. B.How nice!C.Thank you.30. 想问刘涛那个是不是他的妹妹,可以问:A.Who's that girl, Liu Tao?B.Is that girl your sister, Liu Tao?C.That's my sister.31.你想知道对⽅是否喜欢吃梨,应该问: A.What do you like? B.Do you like pears? C.Do you like pear?32. 对⽅问你是否喜欢吃苹果,你会说: A.Do you like apples? B.Yes ,I do. C.No, I do.33.你请别⼈吃葡萄,可以说: A.Do you like grapes? B. I like grapes.C.Have some grapes.34.你想吃⼀个桔⼦,可以说: A.Have an orange.B.Do you like an orange?C.Can I have an orange?35. 你不喜欢吃⾹蕉,可以说: A.Sorry,I don’t like bananas. B.Do you like bananas? C.No, I don’t.36. 对⽅问你有多少个钢笔,你可以说: A.I have ten pens.B.How many pens do you have?C.I see ten pens.参考答案:词汇:1.car ,Small.2.teacher3.bag ,big4.brother5.the USA6.ball ,desk7.chair 8.monkey, tail 9.map,in the box 10.brother连词成句:1.I have a new friend today.2.Where are you from?3.I’m from Canada.4.Can I have some water?5.Nice to see you again.6.Mr. Black is a teacher.7.This is my new friend.8.Who’s that woman? 9.She is my mother. 10.I love my father. 11.I have a new kite.12.How many cats can you see? 13.The black one is a bird. 14.Look at the new caryons.15.How many pencils do you have? 16.Open it and see.17.I have three long pens. 18.Do you like bananas? 19.I don’t like pears.20.Welcome back to school.情景选择1.A2.B3.C4.B5.B6.C7.A8.A9.C 10.A 11.B 12.C 13.A 14.A 15.C 16.A 17.C 18.A 19.B 20.C 21.B 22.A 23.A 24.A 25.A 26.A 27.B 28.C 29.B 30.B31.B 32.B 33.C 34.C 35.A 36A【篇⼆】班级__________姓名__________ 学号__________1、⽼师叫孩⼦们过来,她会说: Come here, children.2、邀请朋友来学校参观,你可以说:Welcome!3、新学期开始了,你⼜见到了Amy,你对她说:Nice to see you again!她会说:Nice to see you, too!4、妇⼥节(3⽉8⽇)到了,你对妈妈说:Happy Women’s Day!5、⼉童节(6⽉1⽇)是同学们的节⽇,这⼀天你对⼩伙伴说:Happy Children’s Day! 他会对你说:Thank you! Happy Children’s Day!6、你想知道对⽅是谁,你会问:Who are you?如果她是Amy,她会回答:I’m Amy.7、班⾥来了新同学,同学们对她说:Welcome!8、早晨⽼师在课前向同学们问好,说:Good morning, boys and girls!9、今天班⾥来了两位新同学,⽼师向全班同学介绍说:Boys and girls, we have two new friends today.10、新的学期⼜开始了,同学们⼜回到了学校,⽼师说:Welcome back to school!11、你想知道Chen Jie从哪⾥来,你应问:Where are you from?12、Chen Jie来⾃杭州,她应说:I’m from Hangzhou.Chen Jie想知道你来⾃哪⾥,她会反问:What about you?/ How about you?13、⽼师想让⼤家猜⼀猜,应说:Guess!14、你想向别⼈询问你不认识的⼥孩,你应说:Who’s that girl?你想知道这个⼥⼈是谁,应问:Who’s this woman?你想知道那个男孩是谁,会问:Who is that boy?你想询问这个男⼈是谁,会问:Who is this man?15、利利和明明是好朋友,他们总是在⽣活和学习上互相帮助,他们经常说:Let’s help eachother(互相;相互).16、你想知道Sarah看见了多少只鸟,你会问:How many birds do you see? Sarah看见了17只,她会回答:I see 17.17、你想知道Amy有多少⽀蜡笔,你会问:How many crayons do you have?Amy有12⽀,她应回答:I have 12.18、“打开来看⼀下”⽤英语表达是:Open it and see!19、当别⼈提出不合理的要求,你想拒绝,应说:No way!(没门!)20、你想打包带⾛没吃完的东西,应对服务员说:Doggy bag, please.21、如果你想吃个苹果,可以问:Can I have an apple, please?Amy愿意给你吃苹果,她说:Sure. / Here you are. / Sure, here you are.Amy想给你吃,但是她没有苹果时,她会说:Sorry, I don’t have apples.22、你想问别⼈是否喜欢吃梨时,可以问:Do you like pears?如果喜欢,可以回答:Yes, I do.如果不喜欢,可以回答:No, I don’t. / Sorry, I don’t like pears.23、你想问Amy那个⼥孩是不是她的姐姐时,可以说:Is she your sister?如果是的,可以回答:Yes, she is.如果不是的,可以回答:No, she isn’t.24、如果你想问某样东西是不是在椅⼦上时,可以说:Is it on the chair?如果是的,可以回答:Yes, it is. / 如果不是的,可以回答:No, it isn’t.25、让对⽅把⼿放在书桌上,你可以说:Put your hand on the desk.26、想知道书包在哪⾥,你可以这样问:Where is my bag?27、祝Amy玩得愉快,你可以这样说:Have a good time!28、告诉奶奶钥匙可能在书桌⾥,你可以说:Maybe it’s in the desk.29、委婉地告诉对⽅你不喜欢⽔果,你可以说:Sorry, I don’t like fruit.30、表达⾃⼰喜欢某种⽔果时,可以⽤I like…句型。
三年级英语日常对话情景模拟单选题40题

三年级英语日常对话情景模拟单选题40题1.Hello! How are you?I'm fine. Thank you.I'm good. Thank you.I'm very well. Thank you.答案:I'm fine. Thank you. 本题考查日常问候语的回答。
“I'm fine. Thank you.”是常见的回答“How are you?”的方式。
“I'm good. Thank you.”在口语中也比较常用,但在正式场合或教学中,通常更推荐“I'm fine. Thank you.”。
“I'm very well. Thank you.”也可以回答“How are you?”,但不如“I'm fine. Thank you.”简洁和常用。
2.Good morning!Good morning!Good afternoon!Good evening!答案:Good morning! 本题考查不同时间段的问候语。
“Good morning!”用于早上的问候。
“Good afternoon!”用于下午的问候。
“Good evening!”用于晚上的问候。
3.Hi! Nice to see you.Nice to see you, too.Nice to meet you.Hello!答案:Nice to see you, too. 本题考查回应“Nice to see you.”的方式。
“Nice to see you, too.”表示“见到你也很高兴”。
“Nice to meet you.”用于初次见面时的问候。
“Hello!”是比较通用的问候语,但不是对“Nice to see you.”的正确回应。
4.How's your day?Good.Fine.Great.答案:Great. 本题考查回答“How's your day?”的方式。
三年级英语日常对话情景模拟与表达练习单选题40题

三年级英语日常对话情景模拟与表达练习单选题40题1. ---Good morning, Tom. How are you? ---_____A. I'm fine, thank youB. GoodbyeC. My name is TomD. I'm five答案:A。
解析:在英语中,当别人问“How are you?”( 你好吗?)时,常用“I'm fine, thank you.” 我很好,谢谢你)来回答。
选项B“Goodbye”是再见的意思,不符合回答问好的语境。
选项C“My name is Tom”是介绍自己名字,与问句无关。
选项D“I'm five”是说自己五岁,也不符合对“How are you?”的回答。
2. ---Hello! I'm Lucy. What's your name? ---_____A. I'm nineB. Nice to meet youC. I'm MikeD. Good afternoon答案:C。
解析:问句是在询问对方的名字,回答应该是自己的名字。
选项A“I'm nine”是说自己九岁,不是名字。
选项B“Nice to meet you”是初次见面的礼貌用语,不是回答名字。
选项D“Good afternoon”是下午好的意思,与询问名字无关。
3. ---Hi, this is my friend, Jack. ---_____A. How old are youB. Nice to meet you, JackC. Where are you fromD. Are you a boy答案:B。
解析:当别人介绍朋友给自己时,通常用“Nice to meet you”( 很高兴见到你)来回应。
选项A“How old are you”是问年龄的,不符合这种介绍朋友后的回应。
选项C“Where are you from”是问来自哪里,不合适。
小学三年级英语口语情景对话【五篇】

小学三年级英语口语情景对话【五篇】导读:本文小学三年级英语口语情景对话【五篇】,仅供参考,如果觉得很不错,欢迎点评和分享。
你真是太笨了Mrs.Santelli: T om went to his room after supper. Did you notice?Mr. Santelli: Why,I wonder. Do you know?Mrs. Santelli: Not exactly,but evidently something happened at school.Mr. Santelli: All right,what is it? Come on,tell me.Mrs. Santelli: I don't know the whole story,but he mentioned the baseball team.Mr. Santelli: What did he say...shortstop,first base?Mrs. Santelli: I don't think he made it this year.Mr. Santelli: Oh,no wonder. I guess he's not the athlete I wasMrs. Santelli: You must be kidding. You with your two left feetMr. Santelli: Listen,you're not exactly Miss Tennis America!桑特利太太:汤姆晚饭后去他的房间。
你知道吗?桑特利先生,我很好奇为什么。
你知道吗?桑特利太太:不完全清楚,但显然是在学校发生的事。
桑特利先生:好了,是什么?来,告诉我。
桑特利太太:我不知道整件事,但他提到了棒球队。
桑特利先生:他怎么说...游击手,一垒?桑特利太太:我不认为他这一年能做到。
三年级英语日常对话情景模拟题40题

三年级英语日常对话情景模拟题40题1. - Who is that man in the living room?- A. He is my father- B. She is my mother- C. It is my dog答案:A。
解析:问题问客厅里的男人是谁,man是男性,回答要用He,B选项She指女性,C选项It指动物或事物。
2. - What does your mother do at home?- A. She watches TV- B. He reads books- C. They play games答案:A。
解析:问题问妈妈在家做什么,妈妈是女性,用She,B选项He是男性,C选项They是复数,不符合题意。
3. - Is your sister in her bedroom?- A. Yes, she is- B. No, he isn't- C. Yes, they are答案:A。
解析:问题问你的姐姐是否在她的卧室,姐姐是女性用she,B选项he指男性,C选项they指复数。
4. - How many people are there in your family?- A. Three- B. Tree- C. There答案:A。
解析:问题问家里有多少人,Three表示三,B选项Tree是树,C选项There是那里。
5. - What do you do with your father on Sunday?- A. We play football- B. I play with mother- C. He plays alone答案:A。
解析:问题问你和爸爸周日做什么,回答我们做某事用We,B选项是和妈妈,C选项是他独自玩。
6. - My brother likes to _______ in the morning.- A. run- B. runs- C. running答案:A。
小学三年级英语情景对话【五篇】

小学三年级英语情景对话【五篇】我不能告诉你Jinny: Hey, Michael.Michael: Yes,Jinny.Jinny: What are you doing?Michael: Since I lost something,I'm looking for it. Jinny: What did you lost?Michael: I can't tell you.Jinny: What is it? Tell me about it.Michael: I'm searching for my artificial tooth.金尼:嘿,迈克尔。
迈克尔:是的,金尼。
金尼:你在做什么?迈克尔:因为我不见了东西,我在寻找它。
金尼:你不见了什么东西?迈克尔:我不能告诉你。
金尼:是什么?告诉我吧。
迈克尔:我正在寻找我的人工牙。
【第二篇:捉老鼠】Catch the mouse 捉老鼠Coco: I don't want to go out.Coco: The weather is bad outside.Coco: Look at that mouse.Coco: Is he carrying our food?Coco: I have a good plan.Coco: Mandori and Changu,before the mouse reaches his home,go get him!Coco: Hey,you guys all right?Coco: Hey,let me see.Coco: Wow...does it hurt?可可:我不想外出。
可可:外面的天气不好。
可可:看看那只老鼠。
可可:它拿走了我们的食物?可可:我有一个好主意。
可可:曼都里和昌古,在老鼠到达它的家之前,捉住它!可可:嘿,你们没事吧?可可:嘿,让我看看。
可可:哇......痛吗?【第三篇:她现在在做什么?】What is she doing now? 她现在在做什么?AMom: Where is your uncle?Boy: He's in front of the house.Mom: What is he doing now?Boy: He's washing his car.Mom: Tell him to have dinner.Boy: Ok,mom.BMan: Who are they?Woman: They are my brother and sister. Man: Where are they?Woman: They're at my birthday party.Man: What are they doing?Woman: They're eating and drinking.CMan: Hi,Susan. What are you doing now? Susan: I'm washing the dishes.Man: Do you usually wash the dishes?Susan: No,I rarely wash the dishes.Man: Why are you doing that?Susan: Because my mother is out of town. A妈妈:你叔叔在哪里?男孩:他在房子前面。
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一、情景选择。
( ) 1. 早上在校门口遇到教师时,你应该如何问候?
A. Good afternoon.
B. Good morning.
C. Goodbye.
( ) 2. 递给别人东西时,你会说:
A. Great.
B. Thank you.
C. Here you are.
( ) 3. 你想知道对方的年龄时,你会问:
A. How old are you?
B. How are you?
C. How many?
( ) 4. Ann向新朋友介绍自己时,应该说:
A. Look at me.
B. This is Ann.
C. Hello! I’m Ann.
( ) 5. 朋友生日的时候,你可以向他(她)祝贺说:
A. Happy birthday!
B. Me, too.
C. Nice to meet you.
( ) 6. 你在餐馆想要些果汁,你应该说:
A. Drink some juice.
B. I’d like some juice.
C. Would you like some
juice?
( ) 7. 当你告诉别人你有一只鸭子时,说:
A. I have a duck.
B. I like a duck.
C. I am a duck.
( ) 8. 你今年10岁了。
当朋友问你几岁了,你应该说:
A. He is ten.
B. How old are you?
C. I’m ten years old. ( ) 9. 你想告诉对方你喜欢绿色时,你会说:
A. I like yellow.
B. I like green.
C. I like orange.
( ) 10. 你想让对方猜猜那是什么,你会说:
A. Guess.
B. OK.
C. Yes.
( ) 11. 你想喝点水,你会说:
A. Can I have some milk?
B. Can I have some water?
C. Can I have some rice?
( ) 12. 你想让对方吃这个蛋糕时,作会对他说:
A. That one, please.
B. This cake, please.
C. Thanks.
( ) 13. 一位老奶奶摔倒了,你将她扶起来,她会对你说:
A. Thank you.
B. Nice to meet you.
C. You’re welcome.
( ) 13. 约翰去朋友家做客,朋友的父母想知道他几岁了,他们会问:
A. What’s this?
B. How old are you?
C. How are you?
( ) 14. 你刚刚跑完步回来,你很渴,你会对妈妈说:
A. I’m hungry.
B. Can I have some water, please?
C. Here you are.
( ) 15. 今天是丽丽的生日,同桌会对她说:
A. Happy birthday!
B. Good afternoon.
C. This one, please.
( ) 16. 你和爸爸一起去公园散步,你们遇见了你的班主任孙老师,你会向爸爸介绍孙老师说:
A. Hello, Mr Sun.
B. Bye, Mr Sun.
C. This is Mr Sun.
( ) 17. 下午好。
A. Good morning.
B. Good afternoon
C. Goodbye. ( ) 18. 这是李小姐。
A. That is Miss Li.
B. This is Miss Li.
C. It’s Miss Li. ( ) 19. 切蛋糕。
A. Cut the cake.
B. Drink some water.
C. Eat some fish. ( ) 20. 不用谢。
A. Thank you.
B. I like it.
C. You’re welcome. ( ) 21. 让我们去学校吧!
A. Let’s go to school!
B. Let’s make a puppet.
( )22. 你想知道对方年龄时,你会问:
A. How are you?
B. How old are you?
( )23. 当你向妈妈表示自己想喝果汁时.你会问:
A. Have some juice, please.
B. Can I have some juice?
( )24. 当你想告诉别人你的名字叫萨拉,你应该说:
A. What’s your name?
B. My name is Sarah.
( ) 25. 你的同学Mike 到你家玩,你向爸爸介绍他时,你会说:
A. This is Mike.
B. He is Mike.
( ) 26. Mike想喝水。
你拿给他时说:
A. Can I have some water?
B. Here you are.
( )27. 妈妈生日时,你应该这样说:
A. Happy birthday.
B. Happy New Year.
( ) 28. 别人向你表示感谢,你会说:
A. You are a good boy.
B. You are welcome.
( ) 29. 当你过生日时,接受了别人的礼物后应该说:
A. Thank you.
B. Happy birthday!
( ) 30. 你想让同桌把图片上的书包涂成绿色,应说:
A. Colour the bag green.
B. Colour the bag black.
( ) 31. 你约同学一起去上学,你可以说:
A. Let’s go to school.
B. Let’s play.
一、读下列左列句子,在右列中找出其相应的应答语,并把该答语的字母标号填入前面的括号内。
( ) (1) Good morning! A. Hi.
( ) (2) Hello! B. Fine, thank you.
( ) (3) How are you? C. Good morning!
( ) (4) How many fingers (手指)? D. You’re welcome.
( ) (5) May I have a look? E. Sure, here you are.
( ) (6) Nice to meet you. F. Four.
( ) (7) Thank you! G. Nice to meet you, too.
I栏II栏
( ) (1) Let’s make a puppet! A. Me too!
( ) (2) How many books? B. Here you are.
( ) (3) I’d like some juice, please. C. I’m six years ol d.
( ) (4) I have a pencil box. D. Great!
( ) (5) How old are you? E. Ten books.
()(1) I’m hungry! A. Good morning.
()(2) Good morning, Miss White. B. Have some fish.
()(3) What’s your name? C. Very well, thanks.
()(4) This is Sarah. D. My name is Mr Jones.
()(5) How are you? E. Hi, Sarah.
一、填空题
1. 测量长度的基本工具是;在国际单位制中, 长度的单位是,用
符号表示。
2. 使用刻度尺前要注意观察它的, 和。
读数时视线要。
测量结果应由和组成。
3. 在国际单位制中,质量;力的单位是________;时间的的单位是________。
在实验室里,用___________ 测量物体的质量;测量力的仪器是____ ____;测量时间的仪器是________。
实验室里常用的测力计是_________; 测量液体体积用__________。
速度是表示物体运动快慢的物理量,计算速度的公式是v=s/t ,它的单位是。
4.单位换算:
(1) 150cm = m = mm (2)3550 cm 3 = m3 (3) 54km = m= cm = μm
(4) 2.5m2 = cm2= dm2
(5) 1ml= cm3 2.2L = dm3= m3= cm3
(6) 36kg= t= g= mg
(7) 0.5h= s 15min= s= h
(8)5m/s= km/h 72km/h= m/s
5.请在下列数字后面填上合适的单位.
(1)物理课本的面积约5_______ (2) 课桌高约为90_______ (3)铅笔芯的直径约0.22________ (4) 一名中学生的质量约为。