1、滬教牛津版八年級上冊英語全冊教案教學設計編制教師總序號審核人學生姓名班級小組序號課題內容八年級上冊Unit 1 Reading1學習目標認識單詞encyclopaedia, Italian, 記住單詞inventor, musician,scinetist等；能根據上下文，猜測born, in the countryside, ability, include等詞語詞義；了解達芬奇的生平事跡；能用介紹人物生平的一般方法介紹某位人物。學習重點掌握課文的事實信息；掌握介紹人物生平的一般方法。學習難點談論人物的生平。學法指導通過聽，看，找， 讀等手段了解課文內容，掌握閱讀技巧。一、預習案一、預習案1

2、、閱讀教材1頁漫畫，寫出下列單詞的意思：encyclopaedia _ use(v.) _ use(n.) _ useful _看教材2頁A部分內容，寫出下列詞語的意思并寫出1至3小題的答案。 paint(n.) _ paint(v.) _ painter _ cook(v.) _ cook(n.) _ Italian _ 1至3小題的答案：1._ 2._ 3. _ 閱讀3頁課文，了解文章大意。列出我的疑惑列出我的疑惑1. 預習反饋：2. 出示學習目標：3.探究點一：(1) 讀教材1頁的卡通圖，根據Hi和Lo的對話，回答下列問題： What does Hi think Lo is probab

3、ly doing? In fact, what is Lo doing? What will Hi probably feel when he learns that Lo is standing on his encyclopaedie? (2) 看2頁A部分3題中的圖片，了解作者及作品名稱。（3）看3頁課文標題及文中圖片A，回答下列問題： In the title, what does the phrase “look up” mean? What does the pronoun “it” in the title refer to? What is the painting in Pi

4、cture a? Who painted it?探究點二：默讀3頁課文第一部分Leonardo da Vinci，完成下列問題： = 1 * GB3 What is Da Vinci known as? = 2 * GB3 完成下表achievementsyear of birthyear of deathbirthplacechildhoodadulthoodcontributions = 3 * GB3 完成4頁C1練習題中1至4小題。 = 4 * GB3 完成D1練習題中的第一部分。 = 5 * GB3 聽錄音，朗讀課文。探究點三：兩人一組談論達芬奇的生平。（2）思考如何談論人物的生平。

5、（3）完成D2練習中的1，2小題三、訓練案三、訓練案根據漢語提示，寫出單詞的正確形式。1. At the age of seven he showed great musical _.（才能）2. I like music so much that I want to be a _ in the future.（音樂家）3. From his early age, he showed great _.（智慧）4. Bennys grandparents live outside the country, they live in the _.（鄉村）5. The boy was_ in a p

6、oor family.（出生）6. Leonardo da Vinci was a great _.（發明家） 7.We all like the pianists_ performance.（有藝術天賦的）8.The _ are trying to get more fresh water.（科學家）(B)讀短文，然后用括號中所給詞的適當形式填空。 Leonardo Da Vinci (1452-1519) was an Italian painter, inventor, (1) _ (music), engineer and (2) _(science). Leonardo Da Vin

7、ci was born in the countryside. From an early age, he showed great (3) _(intelligent) and artistic (4)_ (able) . When he grew older, he learnt to do many different things. His (5) _(paint)are very famous, and one, the Mona Lisa, is perhaps the most famous painting in the world. He also had many (6)

8、_(invent). For example, his notebooks include some interesting drawings of flying machines. (C)閱讀下面短文，然后從A、B、C、D四個選項中選出一個最佳答案。Leonardo Da Vinci(1452-1519)was an Italian painter, inventor, musician, engineer and scientist. Da Vinci was born in the countryside. From an early age, he showed great intel

9、ligence and artistic abilities. As he grew older, he learnt to do many different things. His paintings are very famous, and one, the Mona Lisa, is perhaps the most famous painting in the world. He also had many inventions. For example, his notebooks include some interesting drawings of flying machin

10、es.(See Art)1.From the passage we can know that Leonardo Da Vinci was a/an _ A.French B. Japanese C. Italian D. American2.We can describe Da Vinci using the following words except_. A.inventor B. singer C. engineer D. scientist 3.He showed great intelligence and artistic abilities when he was_ A. ol

11、d B. famous C. hungry D. young4.which of the following is NOT True. A.Da Vinci was born in the countryside. B.He isnt good at drawing. C.The Mona Lisa is very famous in the world. D.We can find pictures of flying Machines in his notebook.5. The passage is mainly about_. A. Leonardo Da Vinci B.the Mo

12、na Lisa C.Da Vincis inventions D.flying machines編制教師總序號審核人學生姓名班級小組序號課題內容八年級上冊Unit 1 Reading 學習目標認讀和理解單詞human, even, however, suddenly, nobody, die out等。 學會用someothers和asas描述動物的主要特征和習性。 3. 能根據上下文，猜測suddenly, fossil, die out等詞語的意思。4. 能通過比較來描述動物的主要特征和習性。5. 培養愛護動物的意識。學習重點掌握文章的事實信息，學習核心單詞和短語。運用someothers

13、和asas描述動物的主要特征和習性。學習難點歸納描述動物主要特征和習性的方法。學法指導通過聽，看，找， 讀等手段了解課文內容，掌握閱讀技巧。一、預習案一、預習案1. 看教材2頁A部分內容，寫出下列詞語的意思并寫出4至5小題的答案。 dinosaur _ everywhere _(同義詞語)_ on earth _(同義詞語)_ 4至5小題的答案: 4 _ 5_2. 閱讀3頁課文第二部分，了解文章大意，并寫出下列短語的漢語意思。 more than _ 60 million years_ as small as _ as big as _ some. others._ die out _列出我的

14、疑惑列出我的疑惑二、探究案二、探究案1. 預習反饋：2. 出示學習目標：3.探究點一：（1）看教材3頁B圖，回答下列問題：What are the animals in Picture b?What do you know about them? （2）閱讀課文，根據你對文章的理解，完成下列句子。 What do you know about dinosaurs? Dinosaurs lived (1) _ on Earth over (2) _ years before human beings.Some were (3) _ and others were (4) _. Some coul

15、d (5) _. Some ate (6) _ and others ate (7) _. Dinosaurs lived on Earth for more than (8) _ years.（3）完成4頁C1中第5小題。根據上下文，選詞填空。 Dinosaurs all _ (slowly/suddenly) died out. That means they disappeared very quickly._ (Nobody /Somebody) knows why. We know about them from their _ (fossils/photos).探究點二：（1）聽錄

16、音，填寫表格。然后，兩人一組，做對話練習。 When did dinosaurs live? Over _ years before human beings. Where did dinosaurs live? _ on Earth.How big were they? Some were _ chickens. Others were _ ten elephants. What did they eat? Many of them ate _. Some ate _ . How did they die out?They all _ died out. Why did they die o

17、ut? _ why. How can people learn about dinosaurs? From their _.（2）再聽錄音，朗讀課文。（3）完成D1練習題中第二部分。（4）完成D2練習題中的3至5小題。探究點三： （語言點講解）Some Others 2. as as 三、訓練案三、訓練案 （一）完成教材4頁C2練習。 （二）閱讀短文，然后按要求完成第 1-5小題。 Dinosaurs lived on earth (A) more than sixty million years ago. This was a (B) _ time before people existed

18、. There were millions of dinosaurs. They lived (C) here and there. Some were as small as chickens. Others were as big as ten elephants. Some dinosaurs had wings and could fly Many dinosaurs were harmless. (D) 他們和綿羊一樣溫順 and ate plants. Others were harmful. They were fiercer than tigers and ate meat (

19、E) unlike most other dinosaurs. (F) All of the Dinosaurs were disappeared suddenly. Nobody knows (G) _.We know about the lives of dinosaurs from the skeletons, eggs and footprints they left behind.（See Earth History)1. 對文中(A)處劃線部分提問：_ _ Dinosaurs live on earth?2. 在文中(B)處和(G)處填入恰當的單詞：_ ; _3. 寫出文中(C)處

20、和(E)處的同義詞和反義詞：_ ; _4. 將文中(D)處漢語譯成英語：_5. 將文中(F)處句子改寫為同義句: Dinosaurs all_ _ suddenly.（三）閱讀回答問題 閱讀短文，然后根據短文內容，回答所提的問題。Dinosaurs lived on earth more than 60 million years before human beings. They lived everywhere on earth. Some dinosaurs were as small as chickens. Others were as big as ten elephants. S

21、ome could even fly.Many dinosaurs ate plants. However, some dinosaurs like to eat meat. Dinosaurs lived on earth for more than 150 million years. Then ，suddenly，they all died out . Nobody knows why. However, we can learn about them from their fossils.Which lived on earth earlier, dinosaurs or human

22、beings?Can all of the dinosaurs fly?How long did dinosaurs live on earth?4. Who can tell us the reason that all the dinosaur died out?What can we learn about dinosaurs from?編制教師總序號審核人學生姓名班級小組序號課題內容八年級上冊Unit 1 Study skills, Listening and Speaking (聽說課)學習目標學會在百科全書中查找信息，加深對百科全書的認識激發求知欲。認讀和理解單詞win和短語fin

23、d out。3鞏固捕捉關鍵信息的聽力技能，并能記錄關鍵信息。4學習句子的重音。學習重點聽力中捕捉關鍵信息學習句子重音學習難點聽對話的內容，記錄關鍵信息。學法指導通過捕捉關鍵詞，記錄關鍵信息。一、預習案一、預習案1.閱讀教材6頁寫出下列詞語的漢語意思：win _ find out _ so much _ hard work _2.閱讀教材14至15頁內容，初步了解如何使用百科全書，并猜測下列詞語的詞義。 consist of _ a number of _ volum餓 _ in alphabetical order _ look for _ guide word _列出我的疑惑列出我的疑惑二、

24、探究案二、探究案1、預習反饋：2、出示學習目標：3、探究點一：Study skills（1）了解百科全書的使用及相關詞語 Volum餓 _ in alphabetical order _ consist of _ a number of _ （2）完成教材15頁A，B，C中的 練習題。探究點二： Listening（1）閱讀Listening板塊中的要求，觀察第一幅圖，然后回答問題。In the picture, which one is Jane Dickinson? Did she win the quiz? How do you know that? （2）聽錄音，在每個空格中填入一個單

25、詞或數字。探究點三：Talk time (1) 聽錄音，注意劃線部分的朗讀。(2) 歸納：_ , _, _, _等實詞在句子中需要重讀。 _, _, _, _, _, _, _等虛詞在句子中不重讀。（3）聽錄音，跟讀，模仿。然后，兩人一組做朗讀練習。三、訓練案三、訓練案一、根據漢語意思寫出單詞的適當形式。You cant change_ nature.（人類的）There used to be many kinds of _on Earth.(恐龍)We know about the lives of dinosaurs from their _.（化石）Can all _ make our

26、lives better?（發明）My parents like living in the _ because its quiet.（鄉村）Most of his writings _ poetry and prose.（包括）He has the _ to speak several foreign languages.（能力）_he was the first to get to school this morning.（可能）Which team _ the football match yesterday.（贏）He spent 100_ buying books yesterday

27、.（美元）We all like the pianists_ performance.（有藝術天賦的）From an early age, he showed great_.（智慧）Nobody knows why dinosaurs died out_.（突然）二、完形填空 閱讀短文，然后從ABCD中選出可以填入空白處的最佳選項。People call Marys grandmother a“walking encyclopaedia”because she_1_ so much. She could probably write an encyclopaedia on her own, w

28、ithout the assistance（幫助）of anyone else! When she takes part in quizzes, she always _2_. She knows the _3_ to all the questions and never gets anything wrong.“How do you know so many things?” Mary asked her. “There are two reasons,”she replied.“First， I never_4_ anything I read or hear. All the _5_

29、I get from books or television programmes is stored（保存）inside my head. I particularly（尤其）like reading life stories, _6_ I know a lot about many famous people. Second, I have had a long and interesting life. I have done many _7_ things. When I left school, I became nurse and learnt a lot _8_ health a

30、nd medicine. Then I married your grandfather. He was a naturalist（博物學家） and studied plants and animals. His job took us to many different parts of the world, and I learnt about manycountries and their wildlife. Then my son-your father and his brothers were_9_. They grew up and _10_ all kinds of spor

31、ts, so I learnt the rules of many sports from them.”1. A. thinks B. says C. travels D. knows2. A. wins B. loses C. makes D. worries3. A. things B. subjects C. answers D. words4. A. remember B. forget C. think D. remind5. A. stories B. ideas C. pictures D. knowledge6. A. so B. but C. because D. howev

32、er7. A. different B. same C. difficult D. hard8. A. from B. with C. about D. at9. A. big B. born C. young D. good10. A. liked B. kicked C. found D. looked編制教師總序號審核人學生姓名班級小組序號課題內容八年級上冊Unit 1 Grammar(語法課)學習目標1掌握限定詞some和any的 基本用法。2掌握不定代詞somebody, anybody, nobody等的用法。3通過對話，鞏固不定代詞的用法。學習重點1掌握限定詞some和any的

33、基本用法。2掌握不定代詞somebody, anybody, nobody等的用法。學習難點通過對話，鞏固不定代詞的用法。學法指導合作探究法、質疑法一、預習案一、預習案看教材7頁內容，填空，some 和any意為：_ 修飾可數名詞_ 形式或不可數名詞。一般情況下，肯定句中常使用_ , 否定句和疑問句中使用_ 。看教材8頁B部分內容，寫出下列各詞的漢語意思。somebody _ someone _ something _nobody _ no one _ nothing _anybody _ anyone _ anything _二、探究案二、探究案1、預習反饋：2、出示學習目標：3、探究點一：

34、教材7頁A部分觀察A部分中的句子，歸納使用規則: some 和any意為：_ 修飾可數名詞_ 形式或不可數名詞。一般情況下，肯定句中常使用_ , 否定句和疑問句中使用_ 。知識拓展補充： = 1 * GB3 如果期望得到肯定答復或想要鼓勵對方給與肯定答復，some也可用在疑問句中。 = 2 * GB3 句中有否定意義的詞hardly, never, seldom時，其后使用any。教材7頁A1習題，兩人一組對話練習。教材8頁A2習題，用some，any和A1中的其他詞匯完成。探究點二： 教材8頁B 部分觀察A部分中的句子，明確這些不定代詞的含義:somebody / someone _ nob

35、ody / no one _ anybody / anyone _ something _nothing _anything _歸納使用規則: = 1 * GB3 somebody / someone, something常用于肯定句中；anybody / anyone，anything常用于否定句和疑問句中。 = 2 * GB3 如果期望得到肯定答復或想要鼓勵對方給與肯定答復，somebody / someone,something也可用在疑問句中。 = 3 * GB3 句中有否定意義的詞hardly, never, seldom時，其后使用anybody / anyone，anything

36、。 = 4 * GB3 nobody / no one，nothing用于句中表示否定意義，分別相當于not anybody / not anyone，not anything。 = 5 * GB3 不定代詞具有單數含義，作主語時，要與動詞第三人稱單數形式連用。 = 6 * GB3 不定代詞的修飾語放在不定代詞后。完成教材9頁練習題。三、訓練案三、訓練案單項填空，從A、B、C、D中選出可以填在空白處的最佳選項。1. Do we have_ bread? Yes, we have_ bread.A. some; some B. some; any C. any; any D. any; some

37、2. Youd better _ when you meet new words in the articles.A. look it up B. look up it C. look them up D. look up them3. Eddie has _ to do, and he sleeps all day long.A. everything B. something C. anything D. nothing4. Hello, everyone. I have _ to tell you all.important thing B. important something C.

38、 something important D. some important thing5.People go to work in different ways. Some people go by bus._ ride bicycles.A. Other B. Others C. The other D. The others6.The police are trying to _ the truth of the traffic accident.A. look for B. find out C. look out D. look up7 Could you give me _ wat

39、er?any B. some C. little D. many8 Who broke the window? _. A strong wind broke it last night.A. Somebody B. Anybody C. Nobody D. Everybody(B)句子改寫1. There are some bananas on the table. (改為一般疑問句)_ there _ bananas on the table?He had nothing this morning. (改為同義句)He didnt _ _ this morning.There is some

40、thing on the notice board. (改為一般疑問句)_ there _ on the notice board?Ben has no friends. (改為同義句) Ben _ have _ friends.編制教師總序號5審核人學生姓名班級小組序號課題內容八年級上冊Unit 1 Writing 學習目標1 認讀和理解單詞dollar和短語go for a walk。了解單詞語middle names, first names, last names 2 用一般過去時描述發生在過去的事。 3 能根據圖片和關鍵詞的提示，寫出簡短的描述。 4展開合理想象，培養愛護動物的意識。

41、學習重點根據圖片和關鍵詞、用一般過去時描述圖片內容。學習難點通過合理想象，為故事續寫結尾。學法指導用過去時態將提示詞語組成完整句子一、預習案一、預習案復述課文第二部分的內容。寫出下列各詞的過去式。go _ find _ look _take _ put _ hear _climb _ call _ read _give _ get _翻譯詞語dollar _ go for a walk _列出我的疑惑列出我的疑惑 二、探究案二、探究案1、預習反饋：檢驗課文復述情況。2、出示學習目標：3、探究點一： = 1 * GB3 了解圖片中的主人公Sammy和Dudley. = 2 * GB3 逐一觀察圖

42、片，并按正確順序排列。 = 3 * GB3 根據圖片和關鍵詞，用短句描述圖片。 = 4 * GB3 完成練習A。 探究點二： 展開合理想象，為故事續寫結尾。 = 1 * GB3 針對下列問題，給出你的猜想。What did Sammy do with the money?What happened to Dudley later? = 2 * GB3 交流并用3至4句話編寫故事結尾。三、訓練案三、訓練案A 閱讀短文，然后從ABCD中選出可以填入空白處的最佳選項。One day, Sammy went for a walk in the mountains. He found a stone.

43、It looked like a big egg. He took it home and put it by the window. One morning, Sammy heard some noise. The stone broke open. It was really an egg. A small animal climbed out and looked at Sammy. It was a baby dinosaur. Sammy called it Dudley.Dudley was always hungry. He ate and ate and grew and gr

44、ew. Soon he was bigger than Sammy.A man from Dinosaur Park read about Sammy and Dudley in the newspaper. He phoned Sammy and said, Hello, Sammy. This is Mr Lee from Dinosaur Park. Come with Dudley and meet the children here. Ill give you 10，000 dollars. Sammy said, OK. A week later, Sammy got the mo

45、ney.Sammy was very happy because he was rich now. That night, he had a dream. He saw a famous thinker from ancient Greece. He said to Sammy, The way to happiness is to own as few things as possible. Now you should know what to do with the money. The next day, Sammy gave the money to the poor.1. Dudl

46、ey was_.A. an egg B. a stone C. a dinosaur D. a bird2. What can we know from the story?A. Sammy bought a lot of things with the money.B. Sammy helped the poor people.C. Dudley liked Sammy very much.D. In Greece a thinker told Sammy what to do with the money.3. Mr Lee works in a_.A. park B. newspaper

47、 company C. mountain D. village4. From the reading, Sammy was_.A. cheerful B. strict C. patient D. hel pfulB以It is_ to read encyclopaedias為題寫一篇短文，詞數80-100。步驟與要點如下： 確定主題并在文中說明原因。圍繞主題進行敘述。講述一段與主題有關的故事或經歷。It is_ to read encyclopaedias_編制教師總序號審核人學生姓名班級小組序號課題內容八年級上冊Unit 1 More practice and culture corner

48、學習目標1. 了解單詞attraction, harbor, merino, type, view等。2. 能根據上下文，猜測attraction, merino等單詞的詞義。 3. 通過主題閱讀，提高捕捉關鍵信息的能力。4. 進一步了解百科全書的知識。學習重點通過拓展閱讀，鞏固閱讀策略。學習難點朗讀拓展閱讀，注意重讀和弱讀的單詞。學法指導小組合作探究一、預習案一、預習案1.閱讀教材13頁短文，初步了解短文大意。2. 寫出下列詞語的漢語意思： attraction_ be made in _ merino _ a type of _ be important to _climb up _ lo

49、ok at the view _列出我的疑惑列出我的疑惑二、探究案二、探究案1、預習反饋：2、出示學習目標：3、探究點一：More practice 1)看圖片，理解attraction 2)看13頁插圖，回答：What are they? 3)閱讀第一篇短文，完成下表The Big BananaWhen was the Big Banana made? Where is it? Who made it? Why was it made? 4)閱讀第二篇短文，完成下表： The Big MerinoWhere is the Big Merino? What is inside it 5) 再次

50、閱讀文章，完成練習A。探究點二： Culture corner閱讀大英百科全書概況的第一段，說說下列數字分別代表什么？1768-15-32-40000000-500000-閱讀全文回答下列問題：What is the Encyclopaedia Britannica?Besides 15 printed editions, does the Encyclopaedia Britannica have other editions? What are they?三、訓練案三、訓練案A 閱讀短文，然后從ABCD中選出可以填入空白處的最佳選項。Australias big attractionsTh

51、e Big BananaThe Big Banana is in Coffs Harbour. It was made in 1964 by John Landy. Landy wanted something to make people come to his fruit shop, so he built the Big Banana. The idea worked. Many people visited his fruit shop and took pictures of the Big Banana. Soon people all over Australia began m

52、aking big things.The Big MerinoThe Big Merino is in the city of Goulburn. Merinos are a type of sheep. They can live in dry weather. Some places in Australia are very dry, so these sheep are very important to the farmers there. Inside the Big Merino, there is a small museum about the history of wool

53、 in Australia. Visitors can also climb up to the Big Merinos head and look at the view through its eyes. 1. How long has the Big Banana been in Coffs Harbour?A. For more than half a century B. For about forty yearsC. For nearly the whole century D. For less than fifty years2. The text seems to tell

54、us that making big things has been popular since_.A. John Landy had a very good idea. B. the Big Banana attracted many peopleC. John Landy opened his fruit shop D. the Big Banana was soon built3. Merinos are very important to the farmers living in_.A. the city of Goulburn B. Coffs Harbour C. some fr

55、uit shops D. some dry places4. The underlined word “its” in the text refers to “_”A. the visitors B. the citys C. the Big Merinos D. the museums5. What do you think the text is mainly about?A. Australias big fruits. B. Australias history of woolC. Australias big attractions D. Australias dry weather

56、B 閱讀短文，然后按要求完成第15小題。The Big Merino is in the (A)_ of Goulburn. Merinos are a (B) type of sheep. They can live in dry weather. Some places in Australia are (C) very dry, so these (D)_ are very important to the farmers there. Inside the Big Merino, (E)有一個小博物館about the history of wool in Australia. （F）

57、Visitors can also climb up to the Big Merinos head and look at the view through its eyes.1. 在文中劃線A和D 處填入適當的單詞：_; _2. 寫出文中劃線部分B和C 的同義詞語或近義詞語：_; _3. 將文中劃線部分E翻譯成英語：_ _4. 寫出文中劃線部分F的同義句：Visitors can climb up to the Big Merinos head _and _ a look at the view through its eyes.5. 從文中找出能說明本文主旨大意的短語：_課題內容Unit

58、2 Numbers Grammar(語法課)學習目標1 理解基數詞和序數詞的表達及使用方法。2 了解和加，減，乘，除運算有關的單詞correctly,plus,minus,equal和短語add.and.,subtract.from.,multiply.by.,divide.by.,.multiplied by.和.divided by.等；認讀和理解單詞instructions,check,correctly,copy和短語copy down。3 學會使用祈使句表達加，減，乘，除的基本運算指令，用“主-系-表”結構表達運算算式。4 能與他人溝通，懂得向他人請求或提供幫助。學習重點用祈使句表達

59、加，減，乘，除的基本運算指令，用“主-系-表”結構表達運算算式。學習難點用祈使句表達加，減，乘，除的基本運算指令，用“主-系-表”結構表達運算算式。學法指導合作探究法、質疑法一、預習案一、預習案1. 寫出下列基數詞：1到30：40_50_60_70_80_90_100_寫出下列序數詞： 1到19： 21到29：20_30_40_50_60_70_80_90_100_列出我的疑惑列出我的疑惑二、探究案二、探究案1、預習反饋：2、出示學習目標：3、探究點一：一、基礎詞的概念：二、基數詞的構成：（1)1-12是獨立的單數，有各自的形式。 （2）13-19，除_,_,_為特殊形式之外，其余都是由其個位

60、數形式后加_后綴構成。（3）20-99，表示整幾十的單詞中除_,_,_,_,_為特殊形式外，其余都是其個位數形式加后綴_構成。表示幾十幾時，在幾十和個位基數詞之間必須有連字符“-”。例：21_,38_（4）100-999，整百數由1-9加hundred構成。表示“幾百幾十”或“幾百零幾”在百們后加上_再加上十位和個位。600_,301_,759_（5）1000以上，先將數字從右向左數起，每三位數加一個逗號“，”分隔。從右開始，第一個“，”前的數字用thousand,第二個“，”前的數字用million,第三個“，”前的數字用billion.然后讀數字時，從左向右三位數、三位數地讀。兩個逗號之間