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高中英语教学设计教学重难点Teaching FocusMake the students understand that body language has cultural diversity and there is no division of good or bad for the diversity.ChallengeMake sure that the students will have the awareness to use and try to understand others’ body language when they communicate with others in the future.教学准备A. A projectorB. computer for multimedia teaching教学方法Teaching methodsA. Asking-and-answering between the teacher and the studentsB.. Interaction among individuals, pair-work and group-workC. Task-based teachingD. Teacher’s demonstration and interpretationE. Role-playingF. Students’ discovery教学过程设计活动内容Step 2介绍身势语的重要性A.Telling Students the Story of Tai Lihua and Making Them Know theImportance of Body Language in Her Life ( 3 min )1.Present the pictures of Thousands of Hands Kwan-yin , and ask the students whether they know thegirl who dances in the front.2. Tell the students tell life story of Tai Lihua and ask them the question “What are the key factors forher success in her life?”The life story of Tai LihuaHer name is Tai Lihua（邰丽华）. She is called a Fairy of Peach blossom(桃花仙子) by people. You knowshe is a deaf girl, but she is a wise, diligent, charming and energetic girl. She studied very hard and got two degrees of bachelors in university. She was famous as an artist for her wonderful performance. She is deafand dumb. But how did she get that great achievement and became a successful person? She loves life very much. We should learn from her spirit. Besides her hard working, body language plays a very importantpart in her life. We are all healthy people, sometimes we can use body language to express ourselves. Sowe should pay more attention to learning body languages.B.Showing the Students the Science Report of the Importance Body Language,Making Them Know That Body Language Is As Important For Us As ForDisabled Person Like Tai Lihua. ( 1 min )Some psychologist believe that we communicate 65% of our ideas and feelings without words! The shape of our bodies and faces, the movements and gestures we make, the clothes we wear, how near we stand to each other and whether we touch each other…all these communicate. we must study all these types of information if we want to truly understand what other people are saying.Step 3介绍不同类型的身势语() ( step 3 will use around 5 min )A. Showing the Students The Four Types of Body LanguageGestureFacial expressionEye contactPostureB. Guessing The Meaning of GesturesThe teacher show the students a series of pictures of a man using different gestures, and the students are supposed to say their meaning.C.Acting Out By GesturesThe teacher show the students some English words and ask them to act them out together by using gestures.Victory!Ok !Be quiet!You!D. Chasing the Right WordThe teacher will show the students a series of pictures describing different facial expressions and askthe students to choose the right word for each.E. Matching the Right Interpretation Of the EyesThe teacher will present students several pictures of eyes and ask the students to match the right interpretation.Threatening No. sixThank you ！ Congratulations!Facial expressionanger fear joy sorrow contempt轻视surprise disgust 厌恶What do you see in the eyes below?That’s a problem. I need to thinkfor while.a whileIt’s you! Let’s have a duel!That’s horrible! I’m terrified!The next minute,you’re a dead body!I’m in great sorrownes s…I won’t give up! We’ll soon winback!F. Guessing The Meaning of Postures in Real ContextI’m listening carefully!What do we know from their posture?Nice to meet you!This woman is listening to your ideas…You meet this man for the first time…Give me a little time!I’m still thinking!You are asking this womanTo finish her work as soon as possible…You are asking this woman ”Have you got any good idea?” …I give up!OK!You are asking help from this woman…You are saying “Will you give up!”…G. Matching the Right Meaning of the Given Posturesnervous Bite your nails and fondle hair agreement Nod the head up and downBe not interested Look away or yawn.Do not believe Roll your eyes and turn your head away. angry Frown and turn your back to sb disagreement Shake the headStep 4给身势语下定义A．Finishing the First Question of Warming-up Part ( 3 min )The teacher will ask the students to discuss the question with your partner and try to find what the people in the pictures are communicating.B.Giving Definition To Body Language ( 2 min )The teacher will guide the students to give a general definition to body language.Body languageis a form of non-verbal communication.uses movements or positions of our body to show other people what we are thinking or feeling.mainly includes gesture, facial expression, eye contact, posture four forms.Step 5练习运用身势语A.Acting Out the Following words ( 4 min )This exercise is based on the second question of warming-up part. Two students will be chose to the frontof the class, and each of them will choose five words to act. After their action, other students will try to guess which word they have acted.•Hello!•Goodbye!•Go away!•Expensive!•I’m surprised!•I’m tired•I’m confused!•Good luck•I’m delighted!•I’m upset!•I’m sad!•I forgot!•You are great!•I’m curious!•I ate too much!•Come here!B．Acting Out the Dialogue on Page 67 ( 10 min )The student will work in groups of two to finish the speaking task of this unit on page 67. They are required to use appropriate body language as they are making dialogues. After their pairwork, volunteers will make their dialogue before the whole class.Step 6介绍身势语的文化多样性A．Showing the Cultural Difference in Body Language With Examples ( 2 min )America OKJapan moneyFrance zeroBrazilGermanyrudeB ． Presenting the Students the Major Greeting Customs in the World ( 2 min )Person and country Suitable greeting A man from ColumbiaTo a man: same as for a womanTo a woman: touches her shoulder and kissesher on the cheekA woman from BritainTo a man: not to close, shake hands To a woman: shake hands, will get closeA man from JapanTo a man: bowsTo a woman: bowsA man from CanadaTo a man: shake handsTo a woman: shake hands or kisses on both cheeks if knownA woman from FranceTo a man: shake hands, kisses twice on the cheekTo a woman: same to someone she knowsA man from the Middle East or some Muslim countriesTo a man:comes close, shakes handsTo a woman:nodsC. Discussion On the Question That If There is a Division of Good or Bad of the Different Meaning of The Same Body Language Under Different Culture.The students will have 3 minutes for discussion and after that some of them will represent their group to share their idea with the whole class.Step Role Play ( 8 min )USA Nigeria rude Germany Japanone“great”or “good job”。
Unit 4 Earthquakes: Reading——A night the earth didn’t sleep 教案课时：一课时课型：讲授课一、教材分析与学生分析：本课是高一必修1第4单元的阅读课型，本单元话题为“地震”，主要描写了1976年唐山大地震，各项语言活动也都是围绕地震展开。
Pre-reading 部分设置了两个开放性问题，目的是增加学生的生活常识，提高他们的应变能力。
这部分为接下来的阅读作了很好的铺垫，学生可通过参阅有关地震的书籍并运用一些生活常识来回答这两个问题。
Reading 部分是一篇新闻报道，介绍了唐山大地震前的预兆、地震造成的城市建筑和人畜损失以及地震后的救援情况。
通过本单元学习，掌握如何表达过去的事情，让学生对地震有更多认识，加强自我保护。
二、教学目标：(一) 知识目标：1.使学生了解自然灾害的相关词汇，并掌握复杂数字的表达法。
2.学习掌握与地震相关的词汇，如：shake,well,rise,smelly,pond,pipe,burst,canal,steam,ruin,injure,destroy,brick,dam,useless,steel,shock,quake,rescue,electricity,disaster,army,organize,bury,coal,mine,shelter,fresh,percent等，以及 right away, at an end, dig out, give out, thousands of以及一些优美句子的赏析。
3.熟练运用that, which, who, whose引导的定语从句(二) 技能目标：1.阅读技能的训练：让学生学会克服生词障碍，通过略读，归纳出文章的大意；通过细读，理清文章的总体框架与脉络，归纳出各部分的中心词；通过查读，捕捉文章的重要细节，培养学生获取、处理信息的能力。
2.让学生复述课文，分析、感悟作者的写作意图。
新课标人教版高一英语必修四 Unit 4 教案教学目标1.了解 Unit 4 主题是“小说和电影”，并学会掌握相关词汇和知识；2.学习阅读文学作品的技巧和方法；3.提高听力和口语能力，能够听懂和表述有关电影和小说的内容；4.培养学生的批判性思维能力。
教学内容本单元的教学内容主要包括以下四部分：1.Introduction & Reading: Introducing Literature and Films2.Listening & Speaking: Films and Novels3.Speaking & Writing: Discussing Favourite Filmsnguage study: Modal Verbs教学过程Introduction & Reading1.学生们在老师的带领下，讨论并了解本单元的主题和学习目标；2.学生们分组阅读一篇有关文学和电影的文章，并在小组内讨论文章的主要观点和结论；3.整个班级讨论文章的内容，并展示各个小组的不同观点。
Listening & Speaking1.给学生播放一段电影片段，并让他们在听完后就内容进行讨论和总结；2.给学生发放一份包括电影和小说内容的练习，并让学生用口语和同桌一起完成练习。
Speaking & Writing:1.学生被分成小组，每组产生一个代表，代表需要先介绍自己喜欢的电影，并谈论电影中的某些特点和值得推荐的原因；2.所有代表回到教室，并通过细节和观点进行辩论；3.接下来，学生们需要写一篇有关一部电影、小说或者文化作品的作文，并将这篇作文与同桌进行分享和讨论。
Language study本单元的语言学习环节将主要集中在Modal Verbs语法和习惯用法上。
学生需要通过阅读和翻译文本，以及完成会话练习和语言表达作业来掌握这一难点。
教学评估1.通过小组讨论和全班讨论来听取学生的观点和意见；2.通过听力和口语练习来检查学生的听力和口语能力；3.通过作文和语法作业来检测学生对知识点的掌握情况。
课文标题：Reading: A Night The Earth Didn’t Sleep.单元名称：Unit 4 Earthquakes教材版本：人教版高中英语（1）必修授课年级：高一Learning Aims:1.预习并掌握一些本单元中有关地震的单词和短语, 了解地震的有关知识。
2.通过阅读，训练阅读技能，学会用恰当的阅读方法（fast reading and close reading）来培养总结、归纳内容的能力（summarizing）。
3．学会通过找出主旨句来归纳文章与段落大意, 学习在地震或突遇的灾难中怎样自救、救人。
Teaching approaches：communicative approach, task-based approach Teaching aids：PowerPoint，blackboard, studioTeaching procedures(教学过程)Step1 Leading-in: Enjoy a vedio【设计说明】从学生感兴趣的话题导入会显得比较轻松自然，同时也能激起学生听课的兴趣。
Step2 useful words and expressions【设计说明】单词是基础，复习巩固生词为下一步阅读扫清障碍。
Step3 Fast-readingTry to get the structures of the passage main idea of the text .【设计说明】旨在锻炼学生快速搜索信息的能力。
跳读找出文章的主体大意及各段的主题，这样设计是为让学生了解、抓住本文的主题思想，为下一步细读做准备。
Step4 Careful readingPart 1 Before the earthquake: the signs【设计说明】文章较长，采取分段学习，课文层次清晰，学生自读与听力相结合，能帮助学生理解与提高听力水平,通过与搭档相互核对答案同时培养了学生合作学习的意识。
中学英语（人教版）必修一第四单元教案Unit 4 Earthquake一．教学内容分析本单元话题为"地震"，主要描写了1976年唐山大地震，各项语言活动也都是围绕地震绽开。
本单元共分八个部分。
Warming-up 部分通过两张图片引出话题"一旦地震发生，将会造成怎样的危害"，为后面的主题作了一个热身运动。
Pre-reading 部分设置了两个开放性问题，目的是增加学生的生活常识，提高他们的应变实力。
这部分为接下来的阅读作了很好的铺垫，学生可通过套乱，参阅有关地震的书籍并运用一些生活常识来回答这两个问题。
Reading 部分具体描写了1976年唐山大地震的震前、震中和震后。
作者具体描述了地震来临前的一些不正常的自然现象与动物的反常表现；地震的来势汹汹并在顷刻间将整座城市夷为平地；震后人们英勇面对现实并与时实施抢救和重建工作。
Comprehending 部分包括三组练习，主要目的是为了帮助学生更好地理解Reading部分的文章。
Learning about Language 部分分为两个部分：Discovering useful words and expressions 和Discovering useful structures.第一部分要求学生在把握文章的基础上，驾驭重点词汇的词义与时用，这更留意培育学生运用上下文揣测词义的实力。
其次还对一些困难的数字读法进行了检测。
其次部分则结合文章学习定语从句。
Using Language 部分分为Reading，Writing and Speaking；Listening 和Writing。
Reading，Speaking 包括读一篇邀请函，写一份演讲稿和关于一套新唐山邮票的Little talk。
Listening 部分讲解并描述了一位地震生还者的故事，并依据听力材料进行正误推断和回答问题，旨在培育学生获得细微环节的实力，并通过听来仿照标准的语音和语调。
必修一Unit4教案Welcome to the unit & Reading1.immediately adv.立即，马上；conj. 一……就*The telephone rang, and he answered it immediately.电话铃响了，他立即接了。
*Immediately he arrived, he started telling us what to do. 他一到，就开始告诉我们该做什么。
*As soon as I had made the final decision, I felt a lot more relaxed.我一作出最后的决定就感到轻松多了。
*The moment he spoke we recognized his accent.也刚一讲话，我们就听出了他的口音一…就短语连词: as soom asthe+n. :the instant/ the moment/ the minute副词起连词作用: immediately, instantly, directlyPractice:我一听到这个消息就来了。
(1) came as soon as I heard the news.(2)I came immediately I heard the news(3 )I came the moment I heard the new2.concentrate vi.&vt.集中（注意力、思想等）;全神贯注*She has turned down several invitations to sho rder to concentrate on her study.为了集中精力学习，她数次拒绝演出的邀请。
Kuang Heng concentrated so much energy on his study that he made great achievements later.匡衡集中精力学习，后来取得了很大的成就。
必修第一册Unit 4 Natural Disasters教学设计Period 4 Reading for WritingTeaching material: Write a summaryTeaching objectives: In this lesson, the students will1. read a news report and learn about the basic elements and language feature of a news report2. write a summary for a special reports of a major news eventDifficult and focal point: Guide the students to learn about the language features of news reports and write a summary for a news reportTeaching aids: PowerPoint, blackboardTeaching approaches: PWP Teaching MethodTeaching procedures:Step 1 Lead in Watch a videoWatch the video and answer the following questions.1.What is a tsunami?2.What causes it?3.Will it cause great danger to human beings?Step 2 Pre-writingActivity 1 PredictionWhat can you see in the picture above the news report?Look at the headline “Tsunami Hits Asia: Over 6500 Dead” and the picture, guess what will be talked about in the text?Activity 2 Pre-readingWhat type of text is it?Where is the text taken from?Activity 3 Read for detailsRead the text, answer the following questions.1. What happened in the news report?2. When and where did it happen?3. What caused it?4. What were the effects/results?Activity 4 Read for language features1.What elements of a news report do the questions above refer to?Event, date, place, cause and result2.Is the picture necessary to the news report? Why or why not?Yes. Because the picture can catch readers’ attention and arouse their interest in the news report. Itcan also make the news report visually clearer and more convincing.3.How does the author develop the news report?A.By making comparisonB.By listing figuresC.By analyzing cause and effectD.By giving examples4.Why does the author list so many numbers in the report?To make the report more convincing.5.What other method does the author use to make the report more convincing? By means of citing a quote from a witness.Step 3 While-writingActivity1 Read the summary of the news report. Check the main points it includes.Activity 2 Drafting Task 1Task 2Task 3Step 4 Post-writingActivity 1 Evaluation1. Exchange your drafts and access each other’s work according to the checklistActivity 2 PolishingGet your draft back and revise it according to your partner’s comments. Activity 3 Present your page to the class.Step 5 Language pointsActivity 1 PhrasesActivity 2 Important wordsStep 6 HomeworkRead the text on page 92 and write a summary of it.。
人教版高一英语必修四unit4 Body language教案Part 1.Teaching goals: 教学目标1. 语言能力目标●Talk about body language: cultural differences andimprove the students’ reading ability, such as skimming, scanning,get the detailed information and understand the main idea of the text.●让学生通过阅读，能够理解并尊重不同区域的人的身体语言和其文化涵义。
●进一步训练学生推测、略读、找读、归纳内容等阅读技巧；培养学生把握篇章中心内容、归纳段落大意、获取关键信息、并且能针对阅读内容表达自己的观点的能力。
3. 情感态度目标●要学生明白身势语是不同文化的载体，在跨文化交际中起到非常重要的作用，了解肢体语言在不同含义，可以帮助学生在日常的交际中正确的注意和使用自己的体态，姿势，面部表情等，正确的理解和运用肢体语言，达到良好的交际效果。
●Body language is actions that human beings canexpress themselves and communicate with otherswithout words, with which people can avoiddifficulties when they fully understand the bodylanguage when they communicate with others. Bodylanguage plays important roles in communicating.Part 2.Teaching Important and difficult Points●重点词汇与短语greet prediction represent association dormitory canteen flight curious curiouly Colombia approach cheek defend defence major misunderstanding Jordan dash adult spoken Spain Italy likely crossroadsdefend against be likely to in general●重点句子结构与用法Yesterday, another student and I, representing our university’s student association, went to …After half an hour of waiting for their flight to arrive, I saw several young people enter the waiting area looking around curiously.I stood for a minute watching them and then went to greet them.She stepped back appearing surprised and put up her hands, as if in defence.Then Akira Nagata from Japan came in smiling, together with Japanese student.When Darlene Coulon from France came dashing through the door, she recognized Tony Garcia’s smiling face.3.Improve the students’ reading ability, such as skimming, scanning,get the detailed information and understand the main idea of the text.4.let students learn about the words and expressions about body language.Part 2. Teaching Important Points:1．Teach the students how to understand body language used in different countries or cultures as well as in different occasions.2. How does body language differ among people fromdifferent cultures?Part 3. Teaching Difficult Points:1. Let the students know that there is both positive body language and negative body language.2.to grasp the main idea of the text.Part 4.Teaching Methods:。
Unit 4 Listening and Talking 名师教学设计●课时内容Prepare for a disaster主题语境：人与自然—灾害防范主题群下自然灾害地震的防范。
语篇类型：录音、图片文本分析：[What]本节课为听说课，首先呈现一段关于地震预防的对话，主要包含指令用语。
然后呈现一些安全指令用语，为随后的口语活动做了铺垫，接着提供几种常见救生设备，最后要求学生向全班做一个关于某种灾害求生的措施的报告。
学习材料有效地将教学内容和语用目标有机结合，为核心素养落地生根提供了有效的途径[Why]提高学生地震防范意识，学习发出正确的指令。
[How]教学材料将英语语用目标和本单元的主题语境有机结合起来，让学生在主题语境的探究过程中提高英语语用能力，增强地震的防范意识。
●课时目标1.能够听懂地震防范相关指令。
2.能够根据实际情况使用恰当的语言发出指令。
●重点难点重点：理解和学习发布指令的正确语言形式。
难点：根据实际情况发布指令●教学准备教师准备：教学录音，急救包学生准备:发布指令的相关语言，急救用品●教学过程Step I 学习理解活动一：感知与注意1.Before listening，the teacher introduces the dialogue to students: Mrs Fors is a rescue worker. She and her dog, Lucky, are visiting a senior high school.2. Ask students to listen to the conversation and complete the table below.3.Ask students to check the answers.If necessary, play the tape again for students to listen to it again.【设计意图】听力材料是一位救援工作人员和学生的对话，语境真实。
高一英语必修一unit4教案教案标题：高一英语必修一Unit 4 教案教学目标：1. 通过本单元的学习，使学生能够掌握有关环境保护的词汇和表达方式。
2. 培养学生的阅读理解能力和写作能力。
3. 培养学生的团队合作和交流能力。
教学重点：1. 掌握本单元的重点词汇和短语。
2. 提高学生的阅读理解能力。
3. 培养学生的写作能力。
教学难点：1. 学生在阅读理解中的细节把握和推理能力。
2. 学生在写作中的语言表达和组织能力。
教学准备：1. 教材：高中英语必修一教材Unit 4。
2. 多媒体设备。
3. 单词卡片和图片。
教学过程：Step 1：导入（5分钟）通过展示一些有关环境保护的图片和视频，引发学生对环境保护话题的兴趣，并提出一些问题，如：“你认为环境保护对我们的生活有什么重要性？你做过哪些环境保护的事情？”Step 2：词汇和短语学习（15分钟）通过多媒体展示和讲解，教授本单元的重点词汇和短语，如“pollution, recycle, global warming, renewable energy, etc.”，并要求学生跟读和记忆。
Step 3：阅读理解（25分钟）1. 学生分组阅读教材中的阅读材料，理解文章的主旨和关键细节。
2. 学生回答一些与文章内容相关的问题，进行小组讨论。
3. 教师带领全班讨论，梳理文章的结构和语言特点，引导学生总结阅读技巧。
Step 4：写作训练（20分钟）1. 教师指导学生学习如何写一篇关于环境保护的短文。
2. 学生分组合作，讨论并撰写一篇关于如何保护环境的短文。
3. 学生互相交流和修改彼此的短文，提出改进意见。
Step 5：展示和评价（10分钟）1. 学生代表展示他们小组撰写的短文，并进行全班评价。
2. 教师给予学生积极的反馈和建议，鼓励学生继续努力。
Step 6：课堂延伸（5分钟）教师提供一些与环境保护相关的课外阅读材料，鼓励学生自主学习和进一步思考。
Step 7：作业布置（5分钟）布置关于环境保护的作业，如写一篇关于如何减少塑料污染的短文，并要求学生在下节课前完成。
课题Unit 4 Astronomy课时第节（总节）教学目标Let students learn about the development of the earth.Train students’ interest in science and stimulate their love for astronomy.重、难点Let students read the passage and learn about the development of the earth.教学方法Discussion Reading教学过程（知识线索及师生互动交流）教学札记Step 1 PresentationHave a free talk with students.1. Let students brainstorm the following questions:Who are our ancestors?Do you know what it was like before life appeared on the earth?Do you know how life began on the earth?Do you want to get more information?2. Tell students:Today we will learn something about how life began on the earth. Turn toPage 25. Let’s come to Warming Up first.Step 2 Warming upLet students think about the following questions and then discuss them withtheir partners.1. In our solar system eight planets circle around the sun. What are they? Canyou match the names with the planets?2. What interests you in astronomy? Do you know any questions that astronomers are interested in?Step 3 Pre-reading1. Get students to discuss the questions with their partners.1) The origin of life on earth is a question that interests astronomers. What doyou know about it?2) Each religion and culture has its own ideas about how life began on earth.What do you know about them?2. Let them tell their stories. Encourage them to tell different stories. If theydon’t know any, tell them some, for example, Pangu separated the sky from theearth, Pangu turned into a myriad of things, Nuwa made men, and so on.Step 4 Reading1. Fast readingGet students to read the passage quickly and then write down the main ideafor each paragraph and the whole passage in the following chart.Let students look through the chart and then read the text silently. Threeminutes later, check the answers with the whole class.2. Intensive readingAllow students to read the passage carefully this time to get the important details, and then finish the following:1) Put the order of development of life into a timeline.(1) Insects and amphibians appeared.(2) Dinosaurs appeared.(3) The earth became a solid ball.(4) Small plants grow on the water.(5) Reptiles appeared.(6) Plants begin to grow on dry land.(7) The earth was a cloud of dust.(8) Water appeared on the earth.(9) Shellfish and other fish appeared.(10) The universe began with a “Big Bang”.(11) Clever animals with hands and feet appeared.(12) Mammals appeared.3. Reading and discussionRead the text a third time and then work in pairs to discuss the following questions.1) Why was the earth different from the other planets?2) Why did the plants grow before the animals came?3) Why is it wrong to show films with dinosaurs and people together?4) There used to be nine planets in the solar system. Recently scientists have decided that one of them can no longer be considered a planet. Do you know the name of that planet? Do you know why they removed it?5) What problem is caused by human beings?(Let students have enough time to read the passage carefully and discuss the questions with their partners. Encourage them to express their own ideas. ) Step 5 DiscussionAfter reading the passage, let students discuss the following questions.1. Why do you think that humans are the cleverest animals on the earth?2. Do you believe that there is life on other planets? Why or why not?3. Do you think it is possible that one day people will move their houses to other planets?Step 6 ConsolidationAsk students to retell the passage with the help of the following.a cloud of dust→a solid ball→presence of water→small plants grow on the water→shellfish and other fish appear→plants begin to grow on dry land→insects and amphibians appear→retiles appear→dinosaurs appear→mammals appear Step 7 Homework1. Learn the useful new words and expressions in this part by heart.2. Read the reading passage again and try to talk about how life began on the earth in your own words.课题Unit 4 Astronomy课时第节（总节）教学目标Enable students to use noun clauses as the subject correctly and properly according to the context.重、难点Enable students to learn how to use noun clauses as the subject correctly.教学方法Discussion Explanation教学过程（知识线索及师生互动交流）教学札记Step 1 Revision1. Check the homework exercises.2. Dictate some new words and expressions.Step 2 PreparationShow some sentences on the screen. Ask students to read each of them andthen find out its subject.A tree has fallen across the road.You are a student.To find your way can be a problem.Smoking is bad for you.“How do you do? ” is a greeting.What she said is not yet known.That we shall be late is certain.It’s certain that we shall be late.Step 3 Grammar learning1. Reading and discoveringAsk students to turn back to Page 25 to read through the reading passage andfind all the sentences where noun clauses are used as the subject and underlinethem. Then translate them into Chinese.Suggested answers:1) What it was to become was uncertain until between 4. 5 and 3. 8 billionyears ago when the dust settled into a solid globe.地球会变成什么（样子）, 直到45亿至38亿年前这个云团变成一个固体的球状物, 才确定下来。
