Unit 2 Stay Healthy Section B(2a-2d)课件 2025-2026学年人教版英语八年级下册

该初中英语课件围绕“Stay Healthy”主题，聚焦构词法（-less、-self/-selves、ache）、词汇辨析及安全意识，通过自探静思任务引导学生归纳规律，如-less加在名词/动词后表“无...的”，搭建从词汇规律到语境应用的学习支架。 其亮点在于融合语言能力与思维品质培养，通过规律发现（如ache构词）、词汇辨析（pain/sore/ache填空）及语篇阅读（走路看手机危害）提升学生词汇运用与分析能力，小组合作完成思维导图强化知识整合，助力学生高效学词汇、树安全观，也为教师提供结构化教学流程。

Unit 2 Stay Healthy Section B(2a-2c) 1. 能够归纳  -self/-selves 、 -less 、 ache  的意义，积累通过这三种变化形式生 成的单词，理解构词法对于提升词汇学习效率的作用； 2. 能够树立词汇辨析意识，准确理解近义词的区别，并在语境中结合词性、搭配等选择使用恰当的词汇； 3. 能够通过阅读语篇认识到走路看手机的危害，增强安全意识。 Learning Objectives Task1 发现规律 1. 认真阅读下列词汇总结规律： hope ---- hopeless (without hope)          home---- homeless (without a home)       use ---- useless (without value)                        care ---- careless (without care ） fear---- fearless (without fear)            help ----helpless (without help) end ---- endless (without an end)          pain---- painless (without pain)            harm ---- harmless (without harm)                   power----powerless (without power)    meaning ---- meaningless (without meaning)  breath---- breathless (without breath) count ----  countless (without count)     doubt----  doubtless (without doubt) 规律发现： 1). 观察所有单词，-less 通常加在什么词性的单词后面？ 2). 加了-less  之后，单词的词性变成了什么？ 3).  -less 的核心含义是什么？表示“_________________________相当于 _________的含义 大多加在名词/动词后面 形容词 无...的；没有...的缺少…的 without Exploration【自探静思10mins】 1) restless _______________________    (rest休息）   2) speechless_____________________  （speech说话，讲话）   3) tasteless_______________________（taste品尝、品鉴） 4) valueless _______________________  （value价值）      5) weightless ______________________ （weight体重）   6) lawless ____________________________（law法律） 7) colourless___________________________ Exercise： 翻译 坐立不安的；不休息的 哑口无言的；说不出话的 无味的；无鉴赏力的 无价值的；没用的 失重得得；无重量的 无法无天的；不受法律约束的 无色的；苍白的 我自己   我们自己   你自己   你们自己   他自己   他们自己   她自己   她们自己 它自己   它们自己 myself ourselves yourself yourselves himself herself itself themselves 填入合适的反身代词： 1. The little boy finished the model plane by __________. No one helped him. 2. —Did you enjoy __________ at the party last night, kids?—Yes, we had a great time. 3. The robot can clean the room all by __________. It’s really smart. 4. You should not only think of __________, but also care about others. 5. The twins made the beautiful cards for __________ as birthday gifts. 6. When I feel nervous, I often talk to __________ to calm down. 7. The old man taught __________ to play the piano at the age of 60. 8. We must depend on __________ to solve the problem, because no one can help us now. himself yourselves itself yourself themselves myself himself ourselves 2.填空并习练 3.认真阅读下列词汇总结规律： 1. head ---- headache (a pain in the head)          2. tooth ---- toothache (a pain in the tooth) 3. stomach ---- stomachache (a pain in the stomach)         4. back ---- backache (a pain in the back) 5.ear---- earache (a pain in the ear)                      规律发现： 1.ache  通常加在______________，核心含义是“__________”，表示身体某部位的酸痛/隐痛。 小练笔：翻译下列词语   1.throatache ______________                                2. bellyache_______________ ( belly肚子；腹部) 3. jointache_______________ (joint关节)            4.muscleache_______________ ( muscle肌 肉) 身体部位名词后面 持续的）疼痛 喉咙痛 肚子痛；腹痛 关节痛 肌肉痛 Complete the table with the correct endings. 1st Column (without) 2nd Column (pain) 3rd Column (a person or thing on their own) colour_____ back_____ my_____ care_____ head_____ our_____ harm_____ stomach_____ your________ / your_____ pain_____ tooth_____ it_____ them_____ him_____ her_____ colourless careless harmless painless backache backache stomachache toothache myself ourselves yourself yourselves itself themselves himself herself Complete the sentences with the correct words in brackets. • The little boy fell off his chair and cried out in ______. (pain, ache) • If you don’t wear a mask, you might ______ the flu. (take, catch) • Be careful when you do sport. If you get a(n) ______, you’ll have to rest for some time. (injury, pain) • Tom’s ear ______, so the doctor gave him some pills for it. (suffer, hurt) • Lifting those heavy boxes all morning made my arms really ______. (harmful, sore) pain catch injury hurt sore 4. Word distinction词语辨析 词汇 词性 用法 含义 ache   • After the long hike, he felt dull aches in his legs. • My head aches.   sore   • I have sore muscles / eyes / feet. • I feel sore after running.   pain   • I feel pain in my back. • I called out in pain. • A true friend can see pain in your eyes.   injury   • He suffered from a serious knee injury. （身体部位）持续的（地）、隐隐的（地）疼痛 （身体部位）酸痛的、发炎的、一碰就疼的 泛指疼痛感（既可指身体上的，也可指精神上的） 身体受到的物理损伤(外伤) n., v. adj. mostly n. seldom v. n. Summarize 用方框中所给词的正确形式填空  1. Lily accidentally touched the hot pan. Her finger really ______. 2. I can't sing today because I have a very ______ throat. 3. Losing his pet dog caused him great emotional ______. 4. The football player suffered from a serious ______ after he fell, so he needed some rest these days. 5. Her head ______ terribly, so she lay in bed. 训练反思【4mins】 hurt sore pian injury ached Complete the story with the words in the box. Kelly looked at her phone. She was late, and her exam was starting in 10 minutes! Suddenly, something hit her hard and ______ her to the ground. “Are you all right?” the driver cried out. His face was ________ with fear. But Kelly didn’t say anything. She was suffering from shock and her arm was bleeding. “Don’t worry. I know first ______ ! I’ll call for help too!” the driver said. At the hospital, the doctor checked Kelly’s arm carefully. An ______ showed that her right arm was broken. “You’re lucky that your ______ wasn’t worse,” said the doctor. “You’re right,” Kelly said. “I’ll ______ looking at my phone while crossing the road next time.” injury X-ray avoid aid throw colour threw aid X-ray avoid injury colourless Text Reading 语篇应用  What is the main lesson that Kelly learns from her experience? A. It is important to arrive on time for exams. B. Drivers should always be careful and watch the road. C. Looking at a phone while crossing the road can be very dangerous. D. Having a first aid kit can save a person's life. How did Kelly hurt ? Why did she hurt? She looked at her phone when crossing the road. A car hit her hard and threw her to the ground. Read again and think. What should we pay attention to when crossing the road? We should avoid looking at our phones or listening to music. We mustn’t cross the road when the traffic light is red. We shouldn’t run across the road. We should always look left and right carefully before crossing the road. ... Work in groups and complete the mind map using the words and phrases from this unit. Expressions for illnesses and health problems Expressions for giving health advice • avoid soft drinks • see a dentist • need an X-ray • brush one’s teeth carefully • press down on one’s nose • put some ice on it • take sb’s temperature • wear a mask to stop the flu virus from passing to others ... • have a stomachache • suffer from a sore throat / headache / backache / toothache • have a nosebleed • have a runny nose and a fever • catch the flu ... Stay healthy Expressions for accidents we may have Expressions for staying safe • roll on the ground • put out a fire • get a fire extinguisher • throw oneself to the ground • give first aid • check the ingredients before eating ... • catch fire / be on fire • suffer from shock • be bleeding • in pain • cut oneself when cooking • feel tight • be allergic to ... • fall off the bike • have a bruised knee ... Stay safe Work in groups and complete the mind map using the words and phrases from this unit. 1. useless A. 耳痛 2. earache B. 牙痛/无牙的 3. meaningless C. 无用的 4. heartache D. 无意义的 5. oneself E. 心痛 6. hopeless F. 它自己 7. itself G. 无望的 8. homeless H. 你自己/你们自己 9. yourself/yourselves I. 无家可归的 10. toothache/toothless J. 它自己 11. fearless K. 无畏的 I. 词义匹配（拓展理解） Do more exercise Do more exercise 1. This old tool is __________(ues). It can’t work anymore. 2. I have a bad __________(ear). I need to see a doctor. 3. His speech is __________(meaning). No one can understand it. 4. She felt a strong _________________ (heart)when she lost her pet. 5. They must learn to take care of __________(they). 6. He felt __________ (hope)when he failed the exam again. 7. The little cat can wash __________(it) very well. 8. The poor man is __________(home). He has no place to live. 9. Please help __________ (you)to some fruit, kids. 10. I have a __________(tooth). My tooth hurts a lot. 11. The soldier was __________ (fear)in the face of danger. II. 从上面的单词中选择合适的词填空，每词限用一次。 useful earache meaningless heartache/heartless themselves hopeless itself homeless yourselves thoothache fearless ⅡI.用方框中所给单词或短语的适当形式填空,使短文意思完整、通顺。 check harm be about to safe bad in pain happy throw avoid suffer from Last Friday,Tom was playing 12. ________ with a ball with us after class. He 13. _____________ kick it hard when he suddenly slipped（滑倒） on the wet floor. Tom lost his balance,fell down,and 14. ______ the ball far away in surprise. He lay on the ground,holding his leg and crying. Clearly,he was 15. ________. happily was about to threw in pain We rushed over and gently laid him on a nearby bench. Our school doctor 16. ________ him and said he might 17. ___________ a broken leg. He might be 18. ______ hurt so we sent him to the hospital at once. This accident made us think a lot. First,we should 19. ______running or playing on wet ground to stay safe. Because 20. ______ should always come first in any activity. We must pay attention in safety classes at school and remember to keep ourselves safe from 21. ______. Luckily,Tom recovered soon,but the lesson about safety and health will stay with us forever.#1.4 checked suffer from badly avoid safety harm $