Unit 9 第5课时 Section B 2a-2e（课件）英语鲁教版五四学制九年级全一册

该初中英语课件围绕“良好睡眠习惯的重要性”，系统呈现睡眠相关词汇（如nap, concentration）及建议句型（It’s important to..., need to...），通过睡眠习惯小测验和自由讨论导入，搭建从个人经验到科学文本阅读的学习支架，帮助学生衔接已知与新知。 其亮点在于融合思维品质（引导分析推断隐含信息，如“是否必须睡8小时”）、文化意识（树立科学睡眠观）和学习能力（运用扫读、精读策略，思维导图复述文本）。采用任务型阅读（段落匹配、正误判断）和分层作业（思维导图绘制、句型实践），学生能提升语言运用与批判性思维，教师可高效落实核心素养目标。

Unit 9 It’s important to have good habits. Section B 2a-2e Lead-in Summary Pre-reading Language points While-reading Exercises Post-reading Homework 1 5 Contents Contents 2 3 4 6 7 8 01 02 03 04 语言能力 思维品质 文化意识 学习能力 能学习并掌握：描述睡眠的词汇(nap, concentration, stressed 等)、表达重要性与建议的句型（ “It’s important to...”, “need to...”, “should...”）。 树立科学看待睡眠的意识，理解良好睡眠对个人发展的重要性，引导学生重视睡眠健康，培养良好的睡眠习惯，认识到充足睡眠对学习和生活的积极影响。 能分析、评价文本信息，并基于文本证据进行逻辑推理；能结合自身经验，对睡眠习惯进行批判性反思。 能熟练运用扫读、精读、推断三种阅读策略。识别文本中的隐含信息；能通过分析段落结构概括段落大意。 Language goals A quiz Free talk 1. When do you usually go to sleep? A. Before 10:30p.m. B. Between 10:30and 11:30 p.m. C. After 11:30 p.m. 2.How many hours do you usually sleep every day (including naps(午睡))? A. Less than 6 hours B. 6-8 hours C. More than 8 hours 3.What do you often do in the hour before you go to sleep? A. Read a book . B.Watch TV C. Play games or chat on my phone. 4.If you can't fall asleep, what do you usually do? A. Stay in bed and keep trying to sleep. b) Get up and do something relaxing, like reading, until I feel sleepy. c) Look at my phone or watch videos. 5.How do you feel when you wake up on the morning? A. Full of energy! B. A little tired. C. Very tired. It's hard to get up. Free talk Let's see how well you know your sleep habits! Did you get similar results? Use 'I need to...' or 'It's important to...' in your discussion. Ready ? I need to sleep much more than I think. It's very important not to use my phone before sleep. Sleep is a mystery. Let's read a scientific text to understand it better. Look at part 2b and say. Pre-reading The writer doesn't tell us information directly. Use our brain to discover the hidden ideas. Have trouble in sleeping. Read the text quickly and match the topic sentences. 1 2 3 4 5 a. It’s better to have a nap in the afternoon. b. Not getting enough sleep has serious effects on our brains. c. The amount of sleep is different. d. Why is it important for us to get enough sleep? e. What can people do if they have trouble sleeping? 1 2 3 4 5 Why Amount Times Effects Habits Read the Para.1 and finish the tasks. 1. Why is it important for us to get enough sleep？ 2. Inference Question: What can we infer about the amount of sleep research that has been done? Careful-reading We are often told that it’s important to get enough sleep, but do we know why? The truth is , even scientists can’t agree on why we need to sleep. However, it’s clear that the less we sleep, the worse we perform in everyday life. The less we sleep, the worse we perform in everyday life. That means there are many different theories. Why Read the Para.2 and finish the tasks. Careful-reading Have you ever felt tired in the middle of the day, especially after lunch? Actually, this is quite normal. Researchers have found that it may be healthier to sleep twice a day— a long sleep at night, and a nap in the afternoon. Even a ten-minute nap at lunchtime can allow us to work better in the afternoon. And if we really can’t find a chance to nap, we should get alonger sleep at night so we don’t feel tired after lunch. sleep twice a day At night In the afternoon What effects To work better in the afternoon. a long sleep We don’t feel tired. a nap Times Read the Para.2 and finish the tasks. Careful-reading Inference Question: 1.Does everyone need a nap at lunchtime? 2.What shall we do if we can’t find a chance to have a nap? No. It may be healthier to sleep twice a day— a long sleep at night and a nap in the afternoon. We should get a longer sleep at night so we don’t feel tired after lunch. a nap Read the Para.3 and finish the tasks. ( )1. We can concentrate at school if we don’t sleep well. ( )2. The brain needs to rest in order to work at its best. ( )3. Students should not stay up and study all night before exams. Careful-reading Not getting enough sleep has serious effects on our brain’s ability to work. If you go without sleep, you might have problems with your memory or with your concentration. In order to concentrate at school or perform well in tests, we really need to get a good night’s sleep. F T T Effects Read the Para.3 and finish the tasks. Careful-reading Inference Question: 1.If we don't get enough sleep, what are the serious effects（严重影响）? 2.Who is the most likely main audience for this paragraph? How do you know? No. It may be healthier to sleep twice a day— a long sleep at night and a nap in the afternoon. Probably students. Specifically mentions "at school" and performing well in "tests" . Read the Para.4 and fill in the chart. Careful-reading Some people have trouble sleeping , especially if they are nervous or stressed about something. Sleep experts say that it’s better not to try too hard to get to sleep, and certainly not to keep looking at the time. To have good sleeping habits, it’s better to sleep at regular times, and to sleep in a dark and quiet environment. It’s also good not to sleep too soon after eating, or after drinking too much water. Good sleeping habits It's better not to It's better not to It's better not to It's better to It's better to Good sleeping habits try too hard to get to sleep. keep looking at the time. sleep too soon after eating or drinking too much water. sleep at regular times. sleep in a dark and quiet environment. Habits Careful-reading What are your ideas to get enough sleep? I think it's better to... I think it's better not to... Read the Para.5 and finish the tasks. 1.Must the amount of sleep we need be 8 hours? 2.What is Jim Steed's opinion about strictly following the "eight-hour rule"? Careful-reading The amount of sleep we need is different from person to person, though the average seems to be just under eight hours. Jim Steed, a sleep researcher, has a simpler way of looking at it. “Forget about facts and figures. If we feel tired in the daytime, it means we need to get more sleep. ” He believes we should pay more attention to our own body's signals (like feeling tired during the day) . No. The amount of sleep is different from person to person. If we feel tired in the daytime, it means we need more sleep. Amount Careful-reading Sleeping time is different for different people. It's better to sleep for 8 to 10 hours a day. Check (√) the information that we can infer from the passage. 2c 1.A large mount of research has been done to understand sleep. _______ 2.It’s important for everyone to get the right amount of sleep. _______ 3.Everyone needs a nap at lunchtime. _______ 4.Students should not stay up and study all night before exams. _______ 5.The brain needs to rest in order to work at its best. _______ Not pay more attention to our own body's signals In your own words, explain what the writer is saying in each paragraph. 2d In paragraph 1, the writer says that getting enough sleep is important. In paragraph 2, ______________________________________________________________. In paragraph 3, ______________________________________________________________ __________________________________________________________________________________. In paragraph 4, _______________________________________________________________. In paragraph 5, _______________________________________________________________ ___________________________________________________________________________________. the writer says that a nap at lunchtime is necessary the writer says that not getting enough sleep has serious effect on your brain’s ability to work. the writer says how to have good sleeping habits the writer says that the amount of sleep we need is different from person to person. It’s important to get enough sleep. Retell the passage according to mind map. Post-listening not agree on Why Amount Times Effects Habits It's better to... It's better not to... the less... the worse... a long sleep a nap different Groupwork In your group, list ways that help people to get to sleep or get better sleep. 2e Do some reading Drink hot milk Exercise to make yourself tired Sleep at regular times Sleep in a ……environment Thinking The figure(数据): 62.9% So many students don’t get enough sleep. 1.You’d better (not) do sth? 2.Why don’t you do sth? =Why not do sth? 3.What/How about doing sth? 4.You should (not) do sth. (1)Words nap effect figure regular average concentrate (2) Phrases agree on  in the middle of have trouble (in) doing sth.   the amount of  be different from  be angry with sb.   (3)Sentences We are often told that it’s important to get enough sleep. Even a ten-minute nap at lunchtime can allow us to work better in the afternoon. Not getting enough sleep has serious effects on our brain’s ability to work. Summary Summary Unit 9 It’s important to have good habits. (Section B 2a-2e) It’s important to get enough sleep. not agree on Why Amount Times Effects Habits It's better to... It's better not to... the less... the worse... a long sleep a nap different Summary Unit 9 It’s important to have good habits. (Section B 2a-2e) 1.The truth is, even scientists can’t agree on why we need to sleep. language points 考点 agree on agree on 意为“在某事上达成一致或共识” Can we agree on a date？ 我们能否约定一个日期？ 考点 拓展 2.Not getting enough sleep has serious effects on our brain’s ability to work. language points 本句为动名词的否定形式作主语，谓语动词用单数形式。 需注意非谓语动词的否定形式是在其前加 not。 Not staying up is a good habit. 不熬夜是个好习惯。 考点 have an effect on sth. 1 意为“对某事有影响”。 Her behavior has a good effect on other students. 她的行为在其他学生身上产生了好的影响。 2.Not getting enough sleep has serious effects on our brain’s ability to work. language points 考点 ability 2 作名词，意为“能力；潜力”， 常用结构：have the ability to do sth.=be able to do sth.，意为“有能力做某事”。 The girl had the ability to recite poems when he was three years old. 这个女孩 3 岁时就会背诗了。 4.Sleep experts say that it’s better not to try too hard to get to sleep, and certainly not to keep looking at the time. language points 考点 try to do sth. 1 意为“努力做某事，尽力做某事”。 The little boy is trying to reach the apple on the tree. 小男孩在努力够树上的苹果。 考点 keep doing sth. 2 意为“一直做某事”。 The girl kept looking out of the window. 这个女孩一直看着窗外。 4.Sleep experts say that it’s better not to try too hard to get to sleep, and certainly not to keep looking at the time. language points 考点 certainly 3 作副词，意为“当然；无疑”。 (1)certainly 意为“当然；无疑”，用以表示坚信或强调某事属实。 还常用作答语，表示肯定回答。 I’ll certainly remember this trip together with you！ 我绝不会忘记和你一起的这次旅行！ (2)surely 表示对所说的话几乎肯定，并希望别人同意自己的看法， 尤用于英式英语。 Surely I have met you before somewhere. 我一定在什么地方和你见过面。 辨析 5.To have good sleeping habits, it’s better to sleep at regular times, and to sleep in a dark and quiet environment. language points To have good sleeping habits 是不定式作目的状语， 相当于 In order to have good sleeping habits。 To catch the early bus, you have to get up early. =In order to catch the early bus, you have to get up early. 为了赶上早班车你需要早起。 考点 To have good sleeping habits 1 考点 regular 2 作形容词，意为“有规律的”。 其副词形式是regularly. The little boy’s breathing was slow and regular. 这个小男孩的呼吸缓慢而有规律。 6.The amount of sleep we need is different from person to person, though the average seems to be just under eight hours. language points 考点 The amount of 1 (1)The(An) amount of +不可数复数 作主语时，谓语动词用单数形式。 The amount of oil in the tank is decreasing. An amount of litter was thrown into the river. (2)The(An) number of+可数名词复数 The number of，谓语动词用单数形式。 An number of， 谓语动词用复数形式。 The number of students is 30. A number of books were sold. 辨析 意为“……的数量”， 通常只用于修饰不可数名词。 6.The amount of sleep we need is different from person to person, though the average seems to be just under eight hours. language points 作名词，意为“平均数；平均水平”。 固定短语 on average, 意为“平均地”。 作形容词， 意为“平均的”。 500 cellphones a week are sold out on average.(固定短语) 平均每周有 500 部手机卖出。 His average income is around 4,000 yuan per month.(作形容词) 他每月的平均收入为 4 000 元。 考点 average 2 The average of 4, 5 and 9 is 6. (作名词) 4、5、9 这三个数的平均数是 6。 一、用括号内所给单词的适当形式填空。 1. Mr.Green is a great________________(research). 2. Do you have trouble________________(sleep),Lily? 3.Playing computer games too much has bad______________(effecton) our body. 4.Tommy likes many sports,________________(especial)badminton. 5.The more you shout at others, the_____________(bad)younrelationship will be. 6.It's important to exercise________________(regular). 7. The__________(true)is that even scientists can't agree on why we need to sleep. 8.We should do what we can________________(protect)the earth. researcher sleeping effects especially worse regularly truth to protect Homework 基础作业：根据所学知识，绘制思维导图。 进阶作业：运用本课所学句型，向你的父母和朋友谈论更多的睡眠好习惯。 Dealing with troubles, Forming a good habit. Have a good sleep every day.