湘少版四年级英语下册全册教案

四年级英语下册全册教案Unit 1 Where’s my new cap?Periods:Language Function:Where’s …?Language structure:Where’s my blue shirt, Munny?Your blue shirt is in your drawer.Vocabulary:Understanding words: For my students: articles as “a duawer, a pair of new shoes, behind, a new shirt, an old dress, a new tie.”grammar should be grasp: where’s …, where are….Sounds:Know the all-’s sound in the words.Chant of greetings.Period 1Basic aims of this lesson:Can listen and say: Where ‘s my blue shirt?Finish the task the teacher given in the lessons.Can understand the conversation the text given.Can speak and say Part A and Part B.Can art with others with part C.Teaching difficulties:Where’s …? Where are …?Teaching points:Where’s my blue shirt? Your blue shirt is in your drawer.Where are my brown shoes? Your brown shoes are in the cupboard.Teaching aids:Type-recorder, picture, computerStep 1 Warming up:Listen to songs: Good morning to you.How are you?Step 2 Presentation and drill· Greeting with the students.· Task 1:Teacher let the children introduce their dress.Speak: My cap is on my hea d./ My tie is in my hand./…· Task 2：Guess: Where is it? (With the given picture on the text.)Good morning,How are you?Good afternoon.Good evening.Where is my blue shirt? / Where are my brown shoes?Cultivate their openness thinking. The more sentence they can speak,the higher points the teacher give the group.· Task 3:Matching game on dress、shirt、 shoes、coat、cap.Step 3. Practice· Listen to the tape.· Retell the text A、B according to what they hear.· Read a fter the tape· Read in different role.· Read in different group.Step 4. Consolidation· Do the act according to Part C.· Teacher give the assessments.· Do the Part A、B in the Exercise.· Homework: Listening to the tape, recite the text.Blackboard drawings:Where’s my blue shirt, Mummy?Your blue shirt is in your drawer Where are my brown shoes, Mummy?Your brown are in the cupboard.Teaching NotesPeriod 2Basic aims of this lesson:1. Finish the task the teacher given in the lessons.2. The ability to read Part D with the given picture.3. Retell the story on Part D.4. The ability to know the sound in “all-”.5.The ability to read the sentence.6.The ability to write the word in correct form7.The ability to say the sentence, P4.8.Th e ability to identify “where’s …? Where are …?”Teaching difficulties:Find the ruler of the sound in “all-”.Help the student cultivate their reading ability in Part D. Teaching aids:Type-recorder, picture, computerStudent’s ai ds:Everyone make a picture of dinosaur , Tim and a book..Step 1 Warming up:Sing the song “who is wearing red today?”Step 2 Reading·Task 1: Everybody listen the tape and arrange the picture.·Task 2: Retell the story in groups.Retell in class.Step 3 Practice· Task 3: Read the words aloudball, wall, fall, tall, call.Then find the ruler, who will find it will be the winner.· Task 4: Read the sentence.It’s a small, small, stall after all.Who read it right and quick who gets the blue ribbon.Step 4. ConsolidationDo the writing part.Do the role-play on tongue twist.Teacher give the assessments.Do the Part C、D in the Exercise.· Homework: 1. Listening to the tape, recite the text.2. act the story with the partents.Blackboard drawings:Where’s my new cap?ball, wall, fall, tall, callIt’s a small, small, stall after all.Teaching NotesUnit 2 Can you read and write?Periods:Language Function:Getting to know “can you …?”Language structure:Can you …?Yes, I can .Vocabulary:Understanding sentences: For my students: He can read. He can climb. She can write. Jimmy can eat a lot. It can fly. It can’t swim.Sounds:Know the oo-’s sound in the words.Tongue twisters.Period ⅠBasic aims of this lesson:1. Can listen and say shapes in the text.2.Finish the task the teacher given in the lessons.3.Can understand the conversation the text given.4.Can speak and say Part B.5.Can act with others with part C.Teaching difficulties:Can Dongdong do it for me ?Teaching points:Can you write in English?Teaching aids:Type-recorder, picture, computerStep 1 Warming up:Task 1: action as “read, climb, write, eat, fly, swim”Task 2: a game: listen and do.Step 2 Presentation and drill· Task 3:Teacher let the children make the pictures as “read, climb, write, eat, fly, swim.”· Task 4：Guess: What do they do? (With the given picture on the text.)Cultivate their openness thinking. The more sentences they can speak,the higher points the teacher give the group.Step 3 Practice· Listen to the tape.· Retell the text A、B according to what they hear.· Read after the tape· Read in different role.· Read in different group.Step 4. Consolidation· Do the act according to Part C.· Teacher give the assessments.· Do the Part A、B in the Exercise.·Task 5: Finish the pictur e.Say it aloud.· Homework: 1. Listening to the tape, recite the text.2. act the story with the partents.Blackboard drawings:Can you read and write?Can you write in English? Yes, I can. grandmother Can Dongdong do it for me ? you can ask him.Period ⅡBasic aims of this lesson:1. Finish the task the teacher given in the lessons.2. The ability to read Part D with the given picture.3. Retell the story on Part D.4. The ability to know the sound in “oo-”.The ability to read the sentence.The ability to write the word in correct formThe ability to say the chant.The ability to introduce the picture that the students draw.Teaching difficulties:Find the ruler of the sound in “oo-”.Help the student cultivate their reading ability in Part D. Teaching points:Language sounds as in tongue twister and chantTeaching aids:Type-recorder, picture, computer.Student’s aids:Everyone draw pictures about the story, Part D, P7.Step 1 Warming up:Task 1: do the acting and guess.Task 2:Students draw a picture according to the teacher’s given words. Step 2 Reading·Everybody listen the tape and arrange the picture.·Task 3: Retell the story in groups.Retell in class.Step 3 Practice· Task 4: Read the words aloud zoo, swimming pool, the moon, stool, broom. Then find the ruler, who will find it will be the winner.Have a match between groups.· Task 5: Read the sentences.The boy on the moon eats with a spoon, while the witch zooms past on her broom.Step 4. ConsolidationDo the writing part.Do the role-play on chant.·Teacher give the assessments.Do the Part C、D in the Exercise.· Homework: 1. Listening to the tape, recite the text.2. Make a picture of dinosaur and a dog.Blackboard drawings:Can you read and write?zoo, swimming pool, the moon, stool, broomThe boy on the moon eats with a spoon, while the witch zooms past on her broom.tTeaching Notes:Unit 3 Are you making a kite?Periods:Language Function:Getting to know something is doing now.Language structure:Are you making a …?Vocabulary:The word should be grasped: making a kite, playing the piano, baking a pie, a paper boat, a mess.Understanding words: noise, noisy, hooray, holiday, away, spray, mask, funny.Sounds:Know the ay-’s sound in the sentences and the words. Go away, I say! Hooray! Tomorrow is a holiday! sprayHow to write: making a kite.Period 1Basic aims of this lesson:1. Can listen and say jobs in the text.2.Finish the task the teacher given in the lessons.3.Can understand the conversation the text given.4.Can speak and say Part B.Teaching difficulties:Grasp the four-skill words.Corret use “I am making…/ You are making … / Are you making …?”Teaching aids:Type-recorder, picture, computer, verb cards (run, jump, swim, climb, reat, write, cut)Step 1 Warming up:Greetings.Song: Are you Betty?Step 2 Presentation and drillShow the verb cards.T: Look and read the words.Ss: Run / Jump / Swim …Let the Ss do the action.Show a paper boat.T: Look, it’s a paper boat. Can you make a paper boat?S: …Show the wall picture.T: Who is making the paper boat?Ss: Ann is making a paper boat.Learn Part B.Listen to the tape (Part A, B), read after the tape.Step 3 PracticeGroup in four act the Part A.Game: Guess, guess, guess,Let a student come to the front and do the action. Others use “Are you …?” guess what is he/she doing?Ss: Are you baking a pie?S1: No. I’m baking a cake.Step 4. Consolidationfree talk.Assessment.Exercises book P9-10.Homework.Teaching NotesPeriod 2Basic aims of this lesson:1. Grasp the new words and phrases of this unit.2. Correct use the sentence“what are you making?Are you …?Yes, I am.No, I’m …”Understand Part C, D.Teaching difficulties:Review the words and sentences.Free talk with the sentences have learned. Teaching aids:Type-recorder, picture, computerStep 1 Warming up:1. greetings.2. sing a song “Sunday morning.”Step 2 Presentation and drillTeacher draw a triangle.T: What am I doing?Step 3 PracticeGame: Guess, guess, guess.Let a student draw a picture on Bb, others guess “What is he/she doing?”Listen to the tape of Part D.3. Act the story wear the headwear as Dino and Tim.Step 4. ConsolidationFree talk.Assessment.Exercises book P11.Homework.Teaching NotesPeriod 3Basic aims of this lesson:1. The ability to know the sound in “ay-”, and understand the words “away, say, hooray, holiday, spray”2. Review the words and sentences.Teaching difficulties:Find the ruler of the sound in “ay-”.Drill the dialogue.Teaching aids:Type-recorder, word cards.Step 1 Warming up:greetings.sing a song “Sunday morning.”Step 2 Presentation and drillTeacher write “play” on Bb, let Ss read.Mark “ay”, let the Ss find the rule.Write other words with “ay”, say, way, away, ray, hooray, holiday. Let Ss try to read.Step 3 PracticeListen to the tape of Part E.Chant the words and sentences3. Write “making a kite ” on book.Step 4. ConsolidationGroup in 4 act Part F.Exercises book P12.Free talk.Homework.Teaching NotesUnit 4 Peter is writing.Periods:Language Function:Getting to know somebidy is doing something.Language structure:Peter’s mothre is cooking.He is sleeping.Vocabulary:The word should be grasped: writing, sleeping, working, reading, sweeping, cooking, painting, playing.Understanding words:book, wood, hood, hook, cook, merry-go-round, letothers.Sounds:Know the oo-’s sound in the words.How to write: reading and writing.Period 1Basic aims of this lesson:understand and say the new words “writing, sleeping, working, reading, sweeping, cooking, painting, playing.”retell the Part A.can say somebody is doing something.Teaching difficulties:Grasp the four-skill words.Can say somebody is doing something.Teaching aids:Type-recorder, picture, computer, words cardsStep 1 Warming up:Greetings.Song: Are you Betty?Step 2 Presentation and drillShow the word cards of Part B.T: Look and read the words.Ss: writing / sleeping / working …Let the Ss do the action.Teacher is sweeping.T: Look, what am I doing?S: …Show the wall picture.T: Look, this is Peter. What is Peter doing?Ss: Peter is writing.T: What’s Peter’s mother doing?Ss: She is cooking.Learn Part B.Listen to the tape (Part A, B), read after the tape.Step 3 PracticeGroup in four act the Part A.Game: A little actor.Let a student come to the front and act Part B. others describe. Ss: … is writing.…Step 4. Consolidationfree talk.Assessment.Exercises book P13-14.Homework: recite Part A.Teaching NotesPeriod 2Basic aims of this lesson:1. Grasp the new words and phrases of this unit.2. Correct use the sentence “someone is doing …”Understant Part C, D.Teaching difficulties:Review the words and sentences.Free talk with the sentences have learned.Teaching aids:Type-recorder, picture, computerStep 1 Warming up:1. greetings.2. Look the cards and read the words.3. Look the mouth and guess the words.Step 2 Presentation and drillGame: Best partner.Group is 2, one show the word card, anther one do the action.Step 3 PracticeGame: Guess, guess, guess.Let a student draw a picture on Bb, others guess “What is he/she doing?”Listen to the tape of Part D.3. Act the story wear the headwear as Dino and Tim.Step 4. ConsolidationFree talk.Assessment.Exercises book P15-16.Homework.Teaching NotesPeriod 3Basic aims of this lesson:1.The ability to know the sound in “oo-”, and understand the words “book, wood, hood, hook, cook2. Review the words and sentences.Teaching difficulties:Find the ruler of the sound in “oo-”.Drill the dialogue.Teaching aids:Type-recorder, word cards.Step 1 Warming up:greetings.sing a song “Sunday morning.”Step 2 Presentation and drillTeac her write “book” on Bb, let Ss read.Mark “oo”, let the Ss find the rule.Write other words with “oo”, wood, hood, hook, cook …Let Ss try to read.Step 3 PracticeListen to the tape of Part E.Chant the words and sentencesWrite “reading and writing ” on book. Learn to sing “Are you sleeping?”Step 4. ConsolidationGroup in 4 act Part F.Free talk.Homework.Teaching NotesUnit 5 What’s Anne doing?Periods:Language Function:Getting to know somebidy is doing something.Language structure:What’s Anne doing?She is skipping.Vocabulary:The word should be grasped: hopping, running, dancing, digging, playing basketball, skipping, swimming.Understanding words:making the cat angry, rain, rail, train, nail, paint, tail, pail, sail, Spain.Sounds:Know the ai-’s sound in the words.How to write: playing basketballPeriod 1Basic aims of this lesson:understand and say the new words “hop ping, running, dancing, digging, playing basketball, skipping, swimming”retell the Part A.can ask and say somebody is doing something.Teaching difficulties:Grasp the four-skill words.Can ask and say somebody is doing something. Teaching aids:Type-recorder, picture, computer, words cardsStep 1 Warming up:Greetings.Song: Sunday morningStep 2 Presentation and drillShow the word cards of Part B.T: Look and read the words.Ss: writing / sleeping / working …Let the Ss do the action.Teacher is running.T: Look, what am I doing?S: …Let a student run.T: What are you doing?S: I’m running.T: What is S doing?Ss: He/ she is …ing.Show the wall picture.T: Look, this is Anne. What is Anne doing? Ss: Peter is skipping.T: What’s the boy doing?Ss: He is hopping.Learn Part B.Listen to the tape (Part A, B), read after the tape.Step 3 PracticeGroup in four act the Part A.Game: A little actor.Let a student come to the front and act Part B. others describe. Ss: … is skipping.…Step 4. Consolidationfree talk.Assessment.Exercises book P17-18.Homework: recite Part A.Teaching NotesPeriod 2Basic aims of this lesson:1. Grasp the new words and phrases of this unit.2. Correct use the sentence “someone is doing …”Understand Part C, D.Teaching difficulties:Review the words and sentences.Free talk with the sentences have learned.Teaching aids:Type-recorder, picture, computerStep 1 Warming up:1. greetings.2. Look the cards and read the words.3. Look the mouth and guess the words.Step 2 Presentation and drillGame: Best partner.Group is 2, one show the word card, anther one do the action.Step 3 PracticeGame:Magic eyes.Let 2 Ss come to the front, others act the action.S1: What’s A doing?S2: A is hopping.…Listen to the tape of Part D.3. Act the story wear the headwear as Dino and the cat.Step 4. ConsolidationFree talk.Assessment.Exercises book P19-20.Homework.Teaching NotesPeriod 3Basic aims of this lesson:1.The ability to know the sound in “ai-”, and understand the words “rain, rail, train, nail, paint, tail, pail, sail, Spain.2. Review the words and sentences.Teaching difficulties:Find the ruler of the sound in “ai-”.Drill the dialogue.Teaching aids:Type-recorder, word cards.Step 1 Warming up:greetings.sing a song “Sunday morning.”Step 2 Presentation and drillTeacher write “rain” on Bb, let Ss read.Mark “ai”, let the Ss find the rule.Write other words with “ai”, rain, rail, train, nail, paint, tail, pail, sail, Spain.Let Ss try to read.Step 3 PracticeListen to the tape of Part E.Chant the words and sentencesWrite “playing basketball” on book.Learn to sing “Are you sleeping?”Step 4. ConsolidationGroup in 4 act Part F.Free talk.Homework.Teaching NotesUnit 6 Where are you going?Periods:Language Function:Getting to ask and answer “Where are you going? I’m going to …” Language structure:Where are you going?I’m going to school.Peter is walking to the playground.They’re stating at home.Vocabulary:The word should be grasped: going, coming, staying, standing, a school, a house, a post office, a holiday, an envelope.Understanding words: miss, bean, cream, seal, meal, meat, seat, read. Sounds:Know the ea-’s sound in the words.How to write: coming and going.Period 1Basic aims of this lesson:understand and say the new words “going, coming, staying, standing, a school, a house, a post office, a holida y, an envelope”retell the Part A.can ask and say “Where are you going? I’m going to …”Teaching difficulties:Grasp the four-skill words.Can ask and say somebody is doing something.Teaching aids:Type-recorder, picture, computer, words cardsStep 1 Warming up:Greetings.Song: Are you sleeping?Step 2 Presentation and drillShow a picture of a school.T: What’s this?Ss: It’s a school.T: Where are you now?Ss: How do you come to school? By bus/ car/ on feet/ …?T: I walk to school.Teach: walk.Show a toy dog.T: The dog is going. The dog is coming. The dog is staying. The dog is standing.Let Ss read after teacher.let a student act as a dog.T: hi, little dog, where are you going?S: I’m going to school / …Learn Part B.Listen to the tape (Part A, B), read after the tape.Step 3 PracticeGroup in four act the Part A.Game: A little actor.Let a student come to the front and act Part B. others describe.Ss: … is skipping.…Step 4. Consolidationfree talk.Assessment.Exercises book P21-22.Homework: recite Part A.Teaching NotesPeriod 2Basic aims of this lesson:1. Grasp the new words and phrases of this unit.2. Correct use the sentence “Where are you going? I’m going to …”Understand Part C, D.Teaching difficulties:Review the words and sentences.Free talk with the sentences have learned.Teaching aids:Type-recorder, picture, computerStep 1 Warming up:1. greetings.2. Look the cards and read the words.3. Look the mouth and guess the words.Step 2 Presentation and drillStick the pictures of school, house, post office on Bb.T: What’s this?Ss: It’s a school / ….Step 3 PracticeGame:Magic eyes.Let a student come to the front, act the action.S1: Where’s A going?S2: A is going to ….…Listen to the tape of Part D.3. Act the story wear the headwear as Dino and the cat.Step 4. ConsolidationFree talk.Assessment.Exercises book P23-24.Homework.Teaching NotesPeriod 3Basic aims of this lesson:1.The ability to know the sound in “ea-”, and understand the words “b ean, cream, seal, meal, meat, seat, read.”.2. Review the words and sentences.Teaching difficulties:Find the ruler of the sound in “ea-”.Drill the dialogue.Teaching aids:Type-recorder, word cards.Step 1 Warming up:greetings.sing a song “Sunday morning.”Step 2 Presentation and drillTeacher write “cream” on Bb, let Ss read.Mark “ea”, let the Ss find the rule.Write other words with “ea”, bean, cream, seal, meal, meat, seat, read. Let Ss try to read.Step 3 PracticeListen to the tape of Part E.Chant the words and sentencesWrite “coming and going” on book.sing the song “Are you sleeping?”Step 4. ConsolidationGroup in 4 discuss and complete Part F.Free talk.Homework.Teaching NotesUnit 7 Peter is happy today.Periods:Language Function:Getting to know “days of a week”Language structure:What day is today? It’s / today is Tuesday.Tomorrow is my birthday.It is Peter’s birthday. Peter is happy today.Vocabulary:The word should be grasped: Sunday, Monday, Tuesday, Wednesday, Thurday, Friday, Saturday, a calendar, today, tomorrow, a football game, a candle. Understanding words: three, tree, bee, see, weep, sweep, sweet, feet. Sounds:Know the ee-’s sound in the words.How to write: today and tomorrow.Period 1Basic aims of this lesson:understand and say the new words “Sunday, Monday, Tuesday, Wednesday, Thurday, Friday, Saturday, a calendar, today, tomorrow, a football game, a candle”retell the Part A.can say “Today is Wednesday / Friday / Saturday.”Teaching difficulties:Grasp the four-skill words.Can describe “Today is Wednesday / Friday / Saturday.”Teaching aids:Type-recorder, words cards , a calendar, a candle, a birthday cake.Step 1 Warming up:Greetings.Song: Days of a weekStep 2 Presentation and drillTeacher is happy.T: I’m happy today. Today is my birthday.Show a calendar.Learn: Sunday, Monday, Tuesday, Wednesday, Thurday, Friday, Saturday, Learn to sing: Days of a weekLearn Part B.Listen to the tape (Part A, B), read after the tape.Step 3 PracticeGroup in four act the Part A.Game: A little actor.Let a student come to the front and point to calendar. others describe the daysSs: Sunday, Monday, Tuesday, Wednesday, Thurday, Friday, Saturday,…Step 4. Consolidationfree talk.Assessment.Exercises book P25-26.Homework: Which day do you like best, why?Teaching NotesPeriod 2Basic aims of this lesson:1. Grasp the new words and phrases of this unit.2. Correct use the sentence “Today is Tuesday. It is Dino’s birthday.”3. Understanding words: sunny, cloudy, rainy, windy.4.Understant Part C, D.Teaching difficulties:Review the words and sentences.Free talk with the sentences have learned.Teaching aids:Type-recorder, picture, computerStep 1 Warming up:1. greetings.2. sing the song: Days of a week.3. Look the cards and read the words.4. Look the mouth and guess the words.Step 2 Presentation and drillStick the “Weather Chart” on the Bb.T: What day is today?T: What’s the weather like today?Learn : sunny, cloudy, rainy, windy.Complete the table “weather chart”Step 3 PracticeGame:Magic eyes.Let a student come to the front, act the action.S1: Today is Tuesday. It is Di no’s birthday.S2: Wow, a present. I like the present.…Listen to the tape of Part D.3. Act the story wear the headwear.Step 4. ConsolidationFree talk.Assessment.Exercises book P27-28.Homework.Teaching NotesPeriod 3Basic aims of this lesson:1.The ability to know the sound in “ee-”, and understand the words “three, tree, bee, see, weep, sweep, sweet, feet.”.2. Review the words and sentences.Teaching difficulties:Find the ruler of the sound in “ee-”.Drill the dialogue.Teaching aids:Type-recorder, word cards.Step 1 Warming up:greetings.sing a song “Days of a week.”Step 2 Presentation and drillTeacher write “tree” on Bb, let Ss read.Mark “ee”, let the Ss find the rule.Write other words with “ee”, three, tree, bee, see, weep, s weep, sweet, feet.Let Ss try to read.Step 3 PracticeListen to the tape of Part E.Chant the words and sentencesWrite “today and tomorrow” on book.sing the song “Days of a week”Step 4. ConsolidationPart F: sing the song “Happy birthday.”Free talk.Homework.Teaching NotesUnit 8 Spring is warm and nice.I. Teaching aims and materialsLearn some new words and the use of some sentence structures to discribe the weather and the temperature. Such as “It is nice and warm ! The l owest/highest temperature is…”II.Teaching procedure第一课时Step1. Revision(6 min)Pratice the dialogue in section A with the whole class to review the newwords and sentence structures we have learned last period.A: What’s the weather like in spring?B: It’s warm. It is a good time to go hiking.A: What’s the weather like in summer?B: It’s hot. It is a good time to go swimming.A: How is the weather in autumn?B: It’s cool. We can go to climb the mountain.A: How is the weather in winter?B: It is very cold. But we can make snowmen .Ask some pairs of students to make up new dialogues by using the sentence structures above.Step 2. Presentation (teaching new words 15min)1) Draw some clouds on the blackboard, and say “ it’s a cloudy day today, there are many clouds in the sky. So it is very dark , after without clouds, it will become bright. Guess the meaning of cloudy and bright.”2) Draw a snowman on the blackboard, and say “only on a snowy day ,we can make snowmen ,but on that day it is very cold, it is quite cold, then can you guess what snowy and quite mean ?”3) Use a picture which describes a girl is watering the trees in the sun , and say “do you think it is very hot on a sunny day? In summer, almost everyday is sunny day, everywhere is very dry, so we must water the trees to survive them. Guess the meaning of sunny and dry.”4) Let the students see a video, two cars are crashed to each other ona foggy day, because the drivers can not see each other clearly. And say “on a foggy day, we can not see others far away f rom us, so it is very dangerous for drivers to drive the cars. Guess the meaning of foggy”. 5) Use a flash on which the wind blows, and the leaves fall down from thetrees, say” on a windy day, because the wind blows, the leaves fall down. Guess the mean ing of windy”.6) Take a thermometer to the classroom ,point it and say “today’s temperature is 20 degree centigree. In winter, the temperature is often below 0 degree centigree. Then who can tell me what temperature means?” All those above can ask different groups to answer .the group who guess right will get some presents from the teacher.Ask the students to do the exercise of 1b to consolidate the new words ( match the pictures with the words)第二课时Step3.Drill(8min)(1)ListeningLet the students listen to the tape and make sure whether the following sentences are right or not.1) a boy is flying a kite .2) the weather today is nice and cold.3) The weather here yesterday is cloudy.There is a difficult point in the dialogue : the phrase “nice and”doesn’t mean 又好又…Through an example , maybe we can know itHow is the weather in spring ?It’s very warm ,it’s nice and warm..(2)ReadingAsk the students to read the text 2A and do the exercise of 2b, get them try to guess the meaning of “lowest” “from……to …..”then ask them to。