音标

  • 格式:doc
  • 大小:161.50 KB
  • 文档页数:22

英语国际音标DAY 1音素i:和i一句话练发音My niece is silly (我的侄女有点傻)绕口集训(1)Please keep these streets clean(请保持这些街道干净)重点单词Keep [ki:P] 保持Street[stri:t]街道(2)A friend in need is a friend indeed(患难之交才是真朋友)重点单词need[ni:d]需要indeed[in'di:d]确实单词集训[i:] [i]see 看见wit 才智lead 领导fish 鱼wheat 大麦pig 猪reach 达到rich 富有的feel 感觉fill 填充key 钥匙ship 船短语集训see that ball 看那个球seek a book 找一本书heal the wound 治愈伤口hit the head 敲头sit down 坐下单句集训There is a sheepI pick up a penwould you like some tea?Read the word in this picture实战集训Fish or meat?Let me see,fish for me,please.发音肌肉大挑战Bill needs six clean dishes.每日一练[i:]Please keep this keys.peter reached the ceiling.We'll need that cup of tea.Do you feed these animals with meat?[i]His sister is ill.Give her a pill if she is sick.She filled my dish with fishMr Smith put his fingers to his lips[i:]&[i]It isn't easy to speak english.Is it beef? It's chicken.DAY 2音素[ æ ]和e一句话练发音The apple is red绕口集训(1)He is carrying a heavy bag. carry heavy(2)The rabbit dashed toward the car. rabbit dash单词集训pek pack bet bat bed bad men man met mat guess gas短语集训get the hat, let a sin, set up a tent, ask question单句集训Don’t attack him.Do you have anything to add?The story comes to the end.Better late than never.实战集训Hi, how is your leg?It’s getting better. Thank you!发音肌肉大挑战They sent us the best map of Japan they had.每日一练1. Don’t stand under that ladder.2. The crab came out the sand.3. Handsome is handsome does.4. The black cat ran after the rat.1. They are selling pens and pencils.2. East or west, home is best.3. Let him ment the desk.4. He slept in a red and yellow tent in the desert.1. Ann sent Andy ten hens and Andy sent Ann ten pens.2. -How many cans can a canner can if a canner can can cans?-A canner can can as many cans as a canner can if a canner can can cansDAY 3 音素: [ə:]和[ə]一句话练发音The little girl has three brothers.绕口集训(1)Don’t drop the shirt into the water.shirt [ʃə:t] 衬衫water ['wɔ:tə] 水(2)I had a wonderful journey this summer holiday.wonderful ['wʌndəfəl] 精彩的journey ['dʒə:ni]旅行summer ['sʌmə]夏天单词集训word [wə:d]单词pilot ['pailət]飞行员worm [wə:m]虫suffer ['sʌfə]忍受bird [bə:d]鸟color ['kʌlə]颜色church [tʃə:tʃ]教堂cover ['kʌvə]封面purse [pə:s]钱包famous ['feiməs]著名的fur [fə:]毛皮ago [ə'gəu]以前短语集训a winter; across the world, reserve a seat, learn from the teacher,单句集训-The player is hurt. -I’m afraid you are right.-Can I borrow your ladder. -Turn left and you’ll find the hospital.实战集训-These cakes look so delicious! -There are thirty of them.you can have them all发音肌肉大挑战-The first person in a dirty shirt works in the third firm.每日一练[ə:]-First come,first served.-He started the journey early on Thursday.-The nurse said she hadn’t heard a word.-Her purse is made of fur.[ə]-He sent letter to his father.-The doctor said his mother will better.-Peter had his meal at eight o'clock.-They need younger trainer.[ə:]&[ə]-I agree, If his shirt change would another colour.-Birds of a feather flock together.Day 4音素/u:/和/u/一句话练发音Put the bag in the room.绕口集训1.The cook knew how to deal with the dish.(cook/ knew)2. Whose foot is bigger?(whose/foot)单词集训shoot good noon push June could student would group look短语集训look at /put on the shoes / bad wound/ cool drink单句集训Through the whole month I will be very busy.Let’s go to the new swimming pool.Sue is foolish and stupid.I don’t like the soup with any sugar in it.实战集训Would you like to go the new swimming pool with us next Tuesday? Thank you, see you then.发音肌肉大挑战She is too foolish to understand the rule of introduce in the book. 每日一练/u:/1.Her dress was beautiful blue.2.I’d like to choose the hot foot.3.The teacher divided them into new groups4.The broom is too dirty./u/1.The lorry is full of wood.2.She put some sugar and coffee in the coffee.3.They both stand in the bushes.4.I’m looking for a book about philosophy./u:/和/u/What’s the woman doing?She is cooking a lot of soup.Day 5 音素[ɔ: ]和[ɔ]一句话练发音The door is locked.绕口急训1. What is the brand of her watch?2. I want to learn more knowledge.单词急训board hot law port forcecop walk office cord cost短语急训put off of course a lot of want to单句急训I’ve already found a new job.The cat caught four rats.Don’t talk while you are crossing the road.Please stop quarreling.实战急训She reported all the things to the doctor. Oh, what an honest girl.发音肌肉大挑战George saw there wer e a lot of spots on Tom’s pocket until Tom washed them off with hot water.每日一练[ɔ: ]1. Don’t walk on the lawn.2. My daughter caught a cold.3. There is more room on the fourth floor.4. I put more salt into the water.[ɔ]1. Tom got a lot of dots on his pocket, if he wants to wash off the dots, he will use a port of hot water.2. There is a good coffee shop in this area.3. I got a lot of chocolates on my birthday.4. She lost my purse in which there were almost four hundred dollars.ɔ:] &[ɔ]1. John, did you watch the football match last night?No, but I recorded it and planned to watch this morning.2. He borrowed a horse from the people in a small village.Day 6[a:]一句话练发音You are so charming绕口集训The farm is far away from here farm farThe staff finished the task on time staff task单词集训Harm chance lark star dark after dance bath短语集训Calm down fire alarmAsk and answer half past five单句集训The yard is very dirtyWatching TV does harm to your eyesOur last choice is to go along the parthThe garden is quite large实战集训A:what are there in this basket?B: there are five bananas,two tomatoes,and three glasses发音肌肉大挑战Farmer barnes goes to market in a car ,and drives many a hard bargain buying and selling calves 每日一练[a:]1.half the class laughed loudly2.my aunt is a master of arts3.I started to work hard4.that’s a rather smart car[a:]& [ ]The dancing party stopped at half past sixWe argued about the plan for the package tour to the far eastMark didn’t pass the maths examinationDay 7 [ ʌ]一句话练发音My brother lives in the countryside绕口集训Love me ,love my dogDon’t touch the duck!单词集训Bus sun hurry jump come run son dust短语集训Have lunch togetherEnough moneyYouny womanRun into trouble单句集训The flood that happened on Monday caused great damageThere is nothing to worry aboutMy cousin’s son wears a pair of sunglassesYour mother asks you to buy some mutton实战集训A: do you know the couple in this pictureB:yes,they are quite funny发音肌肉大挑战When your work is done,come out into the sun每日一练[ ʌ]I cut the bun and put some butter on itHurry up! The bus is leavingI found a duck in the room aboveWhat’s the trouble with your son?A: come on! Tell me something about herB:sorry,but I don’t know much either[ ʌ], [ æ ]和eThe batter with the butter is the batter that is betterDay 8[iε]一句话练发音My ears are really cold绕口集训There is a river near my house nearI can’t hear what you said clearly hear clearly单词集训Tear period beer glorious idea serious adhere area短语集训Year after year / sit here/Korean food/weird wind单句集训He has a gray beardShe doesn’t fear the dangerThe competition is rather fierce nowdaysWe should adhere to our faith实战集训A:look!the hero apppearedB:no wonder the audience cheered发音肌肉大挑战The mere mention of a snake can throw him into great fear 每日一练[iε] He is an experienced engineerI can see a theatre and a museum in this pictureThe deer has small earsShe is sincere and seriousA:why are you cheering?B:to welcome the coming new yearDay Nine音素[ ɛə ] ([eə])一句话练发音I don’t care others’ affairs.绕口急训1. Chair is made of rare wood.2. Her hair style is very modern.单词急训hare bear hair there mayor declare square stare短语急训fair play spare time prepare for compare with单句急训1. We often share our toys with other children.2. Her mother was scared by the color of her hair.3. He went upstairs.4. The air is fresh and clean in the morning.实战急训The man asked you to take care of her.Ok, but what’s wrong with her?She fell down the stairs at home.发音肌肉大挑战The chairman declared the selected examination was unfair, because this area had prepared well in advance. 每日一练[ ɛə ] ([eə])1. Please put some air into the spare tyre.2. Mary stared at him curiously.3. The bear was there in the forest.4. He is repairing the air clean Chatharine.[iε]and [ ɛə ]1. There were tears in his eyes when he saw the broken chair.2. Take care not to fall off the pier.Day10音素[uε]一句话练发音She can’t endure the cruel treatment.绕口急训1. The poor man is sure to die in Hungary.2. They toured the moor last month.单词急训mature during fury cure curious pure sure jury短语急训make sure insurance company rural area grow mature单句急训1. Are you sure you can come tomorrow?2. The bull went to the town to buy a manual.3. He was curious about everything.4. The tourists are attracted by the rare scene.实战急训Oh, Tom is sure to be mad.Yes, what he did is quite unusual.发音肌肉大挑战Are you sure the water is pure?每日一练[uε]1. I can’t endure such a long time tour.2. The curious tourists asked a lot of questions.3. The gourmet prefers European food.Day 11音素[ai]一句话练发音You are quite right.绕口集训1. Out of sight, out of mind. (sight, mind)2. I ride my bike to school. (ride, bike, my)单词集训I tie why Friday fly try fine cry短语集训lie down /apple pie /white lie /silent night单句集训1. My wife likes watching movies.2. The teacher repeated nine times.3. Could you file the documents?4. The child is eating rice.实战集训I decided to invite Mike to the party on Friday night. But I heard that he might fly to shanghai that day. 发音肌肉大挑战My eyes were tired because I tried to write letters in the poor light.每日一练[ai]1. Michael try to fly his kite.2. Do you like to buy a bike?3. If the price is right I'll buy your rice.4. Great minds think alike.5. Time and tide wait for no man.6. Strike while the iron is hot.[ai] & [æ]1. The banker came to buy lamps by motocycle.2. The fat man said he liked that way of life.3. Oh my god! what a terrible traffic jam! I should have gone to the company by bike.Day12音素[ei]一句话练发音No pains no gains.绕口集训1. You'd better take the raincoat. (take, raincoat)2. We met again in the same place. (same, place)单词集训late fade fail may paper page trade bake短语集训take away /say again /save time /play game单句集训1. The cake tastes strange.2. Please hole the handrail tightly.3. She is painting a train.4. I have an important date today.James always makes the same mistake. I'm afraid he never realizes that. 发音肌肉大挑战The cake is on the plate which is on the table in the doorway.每日一练[ei]1. They stayed in Spain for eight days.2. The train came late.3. Call a spade a spade.4. Haste makes waste.[ei] & [i]1. That's the best place to test the plane.2. Tell them I'll wait at the gate.3. A penny saved is a penny gainedDay13音素[ɔi]一句话练发音We had a joyful voyage.绕口集训1 The noise is from the toilet. (noise, toilet)2. He is an employee in a joint ventrue. (employee, joint)单词集训voice soybean toil boy oil toy soil spoil短语集训join in /golden coin /spoiled boy /point to单句集训1. You should avoid being late.2. Hope you enjoy yourselves in the party.3. What's your choice?4. He is annoyed by the big noise.实战集训Why is the boy cry?Because his toy was distroyed by the dog.发音肌肉大挑战Their hands were oily and soily by that toil.每日一练[ɔi]1. That noisy boy has a voice that most noying.2. I ordered oyster oil for the little boy.3. Roy enjoys those toy cars very much.4. We dug in the soil until we found golden coins.5. Do you like poetry?Yes, and my favorite poet is WhitmanDay14音素[au]一句话练发音The town is very crowded.1. She wears a pair of brown trousers. (brown, trousers)2. There are thousands of flowers on the mountain. (thousand,flower, mountain)单词集训our fountain howl how round ground mouth blouse短语集训talk about /loud sound /look out /now and then单句集训1. My house is near here.2. This conclusion is doubtful.3. We found ourseves in front of a big hole?4. knowledge is power.实战集训-He came here an hour ago.-Where is he now?-Oh, he said he would go down town.发音肌肉大挑战You are not allowed to surround the building or shout loudly.每日一练[au]1. I spent an hour watering flower in the garden.2. The crowded people shouted loudly.3. Mr. Brown built up fences around house.4. Cow, cow, proud in Brown. come down to be milked for the hungry town.5. How do you like the story?It sound interesting.Day15音素[əu]一句话练发音Don't throw stones.绕口集训1. They postponed the show. (postpone,show)2. This house is the only thing I own. (only, own)单词集训ago home low oath slow alone grow rose短语集训just so so /go home /no hope /take a photo单句集训We grow potatoes in the garden.My watch is broken.She went to the supermarket to buy some soap.There is a phone call for you.实战集训Open the window please, it's too hot in the room.Ok, but you'd better take your thick coat off.发音肌肉大挑战There are some holes in his old cloths.每日一练1. You know I know that you know, I know that you know that I know.2. she bought that coat in roan.3. I have thrown the broken bone.4. I went to the grocers to buy some potatoes before returning home.5. Little strokes faux great oaks.1. They are no doubt about his progress.2. Let's go out tomorrow, don't always stay at home.-Ok, I need to go outside to breath the fresh air.3. As you sow you shall mow.DAY 16音素[p] & [b]一句话练发音I have a big apple.绕口集训1. A cap appeared. (cap, appear)2. Her hobby is painting. (hobby, paint)单词集训pie bird cap right people herb plane bride短语集训a bit of pity /purple blue /empty bottle /busy bee单句集训I beg your pardon?I peeled a pear for Bill.The baby is laughing happily.Open your book and turn to page nine.实战集训We are going to have a party tonight in the park nearby.Then I'd better to go to buy some beer. It doesn't seem enough.发音肌肉大挑战There are some pens, pencils, paper, books and pictures in Broukcy's black school-bag 每日一练[p]1. A pair of apes appear.2. Pick up your colored pencils and draw a picture on the paper.3. Did you have a happy trip to France?4. please pull the petrol in the proper place.[b]1. You can only borrow two books from the libruary at one time.2. Bring us a basket of beer bottles.3. Barfk bought some bread and butter.4. Bill's big brother is building a beautiful building between two big brick blocks. [p]&[b]1. peter piper picked a peck of pickled pepper prepared by his parents and put them in a big paper plate.2. I was born in Pollent but brought up in Bone.DAY 17音素[t]&[d]一句话练发音The coat is dirty.绕口集训1. I'm on duty today. (duty, today)2. They had a difficult time this winter. (had, difficult, time, winter)单词集训item dene terrific dam tide dig cat speed短语集训lose touch /get into trouble /add to /speak loudly单句集训I need to buy a tea pot.Autumn is her favorate season.You dialed a wrong number.I took a card by mistake.实战集训-Do you know the post code of this district?-Sorry, I don't know. But you can ask the staff in the post office.发音肌肉大挑战Tom talked to his friend David for a whole day.每日一练[t]1. To avoid being late, we took a taxi.2. Could you tell me the time? My watch is broken.3. Turn left at the white tower.4. Two tiny tigers take two taxies to town.[d]1. David does not dance now, but he did once.2. The sand in the desert is dirty and dry.3. I desperately need food.4. Dad has a lot of gold friends.[t]&[d]. Do you have a credit card?No, I don't.2. Today is December the sixteenth, Tom's birthday.Right. What present should we buy for him?DAY 18音素[k]&[g]一句话练发音The kite is green.绕口集训1. Please keep this bag. (keep, bag)2. She is a kind guide. (kind, guide)单词集训clean gloom cream big seek guess lake angle短语集训keep contact with /pick up /look for /beg for单句集训She is crazy about playing tennis.I go to school by bike everyday.Don't forget to close the window.He cleared his throat and said the sentence again.实战集训-Can't you stop playing computer games and help me for a moment?-OK. Don't get angry. I'm coming.发音肌肉大挑战Kate's biggest goal is to become a doctor after graduating from the medical college.每日一练[k]1. A cricket critic cricked his neck at a critical cricket match.2. The baker kept a cat to catch the rats.3. How many books can you count?4. She is cooking chicken soup in the kichen.[g]1. Grany's gray goose goes last.2. If you go to Greece, get a good guide.3. There is a girl in green coat waiting at the gate.4. All the glitters is not gold.[k]&[g]1. A good begining makes a good ending.2. A big black bug bit a big black dog on his big black nose.Day19音素/s/和/z/一句话练发音:We get up early to see the sunrise.绕口急训1.The question is easy to answer.question , easy. Answer2. He raised his voice. Raise voice单词急训sun zipper taste zero swim zebraimpress zoo短语急训doze off /seem to/pass by / mobile price单句急训You are so nice.He runs very fast.We went to the zoo last Sunday.The size is too small.实战急训Can you have supper with me in an Italy restaurant tonight?Well, let me check my schedule first,发音肌肉大挑战The school invited the wise scholar to examine the case.每日一练/s/1The seller is our storing place.2Mrs. Smith tells us to send her silk dress.3Mr. see owned the sore and Mr. sore owned the see sroe4Can you pass me the salt?/z/1She has three brothers and five sisters.2Please excuse those boys.3He raised his eyes.4Fassy vassy was bad , fassy vassy has no head. Fassy vassy wasn’t very fassy vassy/s/ /z/1.those sentences are not easy.2.He is always busy with his pictures and roses. Y ou should suggest him to get some rest and relax himself DAY 20音素[θ]&[ð]一句话练发音There are three cows on the farm.绕口集训1. These colths are too thick. (these, cloths, thick)2. I don't think so. (think)单词集训tooth other thrift worthy thumb breath thief sooth短语集训go through /thousands of /the faith avenue /this and that单句集训she is too thin.Both of us got the chance.The conference room is on the third floor.She won't tell you anything.实战集训-Don't read book in the sun. That's bad for your health.-I know, but there is no choice, the light went out in the room.发音肌肉大挑战Their fater and mother went though thick and thin.每日一练[θ]1. Smith's thumb is thin.2. Both health and wealth are worth while things.3. I think deeply about truth, faith and death.4. She expressed a thousand thanks to the author because his book changed her life. [θ]&[ð]1. The sixth sheik's sixth sheep's sick.2. She saw thirty stars in the south of the sky.[ð]1. My father and mother both like these cloths.2. They are checking whether the leather is smooth.3. I would rather stay at home than go to that party.4. Her brother looks younger than other boys of the same age.[ð]&[z]1. Please move these dogs to the house over there.2. His father play jazz very well.[θ]&[ð]1. There are thirty thousand feathers on that thrush's throat.DAY 21音素[ʃ]&[ʒ]一句话练发音I am sure that the decision is right.绕口集训1. It's a pleasure to share my story with you all. (pleasure, share)2. He is washing the car in a garage. (wash, garage)单词集训ship prestige shrimp invasion shoot closure partial leisure短语集训shake hands /pay attention /shift from /on this accasion单句集训I bought a fresh fish in the supermarket.She usually polishes her shoes .Such phenomenon caused great confusion.Television are so popular nowdays.实战集训-Have you finished your English homework?-No, I have to wash the dishes first.发音肌肉大挑战The shef with the mustache is a sociable and patiend person.每日一练[ʃ]1. Shirly's shoes are shining.2. They pushed the sheep onto the ship.3. Surely she should show us the sea-shell she has collected.4. An English fisherman wishes to get full of fish for a cold dish.[ʒ]1. Beside work we ought to get enough leisure and pleasure.2. He usually measures his yard.3. That vision was an allusion.4. We should treasure the unusual moments.[ʃ]&[ʒ]1. Let's do something to remember the special accasion.2. I shall make the important decisions by myself.[s]&[ʒ]1.She sells sea-shells by the seashore. The shells she sells are surely seashells. So if she sells shells on the seashore,I'm sure she sells seashore shellsDAY 22音素[f]&[v]一句话练发音He saved her life.绕口集训1. I can't find my gloves. (find, glove)2 Four vans parked on the road. (four, van)单词集训half view stiff live proof duff fire love短语集训look over /sharp knife /vote for /phrase and expression单句集训He can get on well with various kinds of people.Everyday I eat a lot of fruits.Are you familiar with him?All the students enjoy their vacation very much.实战集训-What food have you prepared for the party welcoming professor Wang?-Ah beef, salad, soup and some fruit, enough?发音肌肉大挑战The plane leaving for Beijing will arrive at five o'clock.每日一练[f]1. He filled Soff with fresh fruit and other food.2. I found a book about philosophy from the bookstore.3. Philp's home is far from the small French town.4. Final fantasy is a popular computer game.[v]1. Victory plays volleyball very well.2. I love every view of this village.3. There are several novels on the bookshelves.4. The truck is used to deliver vegetables.[f]&[v]1. I drive five miles on Friday night to see a fight that I like.2. Five frantic frogs fled from fifty fierce fishes.3. The pub serves free wine for one hour in a week.DAY 23音素[h]&[w]一句话练发音How wet the wetter is?绕口集训1. You don't have to wait for me. (have, wait)2. What are you going to wear today? (what, wear)单词集训house here hero hospital away wide weather witchever短语集训take a walk /host and hostess /hot weather /high jump单句集训My heart is hurt by his words.Tom woke up early yesterday morning.I wish that I could have a million dollars.Qinhai is in western part of China.实战集训-I'm looking forword to her letter.-Don't worry. I believe it will arrive soon.发音肌肉大挑战Whereever you go, My sweet heart, I hope that you'll be happy all the time. 每日一练[h]1. I heard the news from her husband.2. My heart felt uncomfortble because of the heat in the small room.3. He hopes to have a happy holiday.4. Henrry hurt his feet with a huge hammer by accident.[w]1. My wife is washing cloths at home.2. Where there is a will, there is a way.3. Weddny asked a question about the Second World War in the history class.4. Do you know when the weather will get warmer?DAY 24音素[r]一句话练发音May I borrow your eraser?绕口集训1. I grow some roses in my garden. (grow, rose)2. It's rude to interrupt other people's conversation (interrupt, rude)单词集训red ring rate arrange rise marry arrest reach短语集训hurry up /worry about /read and write /right or wrong单句集训There are planes on the play ground.You are really pretty.We are proud of winning the first prise.He promised me that he will join our group.实战集训-What do you have for breakfast?-Just some fresh bread.发音肌肉大挑战The teacher asked the students to read pragragh three to find out what the writer's problem was.每日一练[r]1. The fruit trees grow in front of the library.2. He is preparing for a trip to Paris.3. When in Rome, do as the Romans do.4. Did you write to Richard?Yes, I told him not to worry about us.DAY 25音素[j]一句话练发音She has a huge yard.绕口集训1. I bought a new suit. (new, suit)2. He usually encourages the young people. (young)单词集训value nephew universe puple duty stupid computer amuse短语集训a few /new year /yes or no /yesterday once more单句集训This university is quite famous thought out the country.I hate eating yolk.Is this yellow umbrella yours?Due to some personal reasons, I can't attent the conference.实战集训-Do you know her?-Yes, she is a well known musician and she is very beautiful and cute, I think.发音肌肉大挑战Few people in the union agree with his view on this issue.每日一练[j]1. The field beyond are yellow with corn.2. You can use the yolk to make cheese.3. He usually cleans his yard.4. Does this music amusing?DAY 26音素[tr]&[dr]一句话练发音Our trip is so dreadful.绕口集训1. Can you draw a train? (draw, train)2. Try to remember my address in your heart please. (try, address)单词集训tremble dream trim drew trunk drop country drum短语集训get into trouble /tell the truth /hundreds of /drag one's feet单句集训Don't drive too fast.We trade with foreign countries.There are hundreds of trees in the forest.The sand in the desert is quite dry.实战集训-Your new dress is so beautiful.-Thank you. I tried many others and finally chose this one.发音肌肉大挑战We do a lot of extra drills in our training.每日一练[tr]1. I tried the new trousers on.2. The trainer didn't trust my ability.3. He tries to be a succesful trader.4. The trait of this tragedy is that tells a true story.[dr]1. The driver was drunk and drove the doctor's car directly into deep ditch.2. The drummer let me know that if you don't give up your dream will be realize one day.3. Jew bought a new dress for his wife.4. He did not drink a drop of wine.DAY 27音素[tʃ]&[dʒ]一句话练发音We had a joyful lunch with the primeminister.绕口集训1. I can't choose my own job. (choose, job)2. The gentleman goes to the church every week. (gentleman, church)单词集训touch jet cheat cage chain bridge match soldier短语集训play jokes /too much /in charge of /opportunity in challenge单句集训We chat happily for a whole afternoon.The chairman is a generous person.My watch is broken.Each of us has changed a lot.实战集训-Where is James?-In the kichen, he is making jam.发音肌肉大挑战。