Unit 2 Section B 2a-2c（同步课件）-【精品课】2025-2026学年八年级英语下册同步精品课件（新教材人教版）

UNIT 2 Stay healthy Section B 2a--2c 小红书：Christina在努力 原创课件 By the end of this lesson, students will be able to: Understand and explain the meaning of the suffixes -self/-selves, -less, and -ache. Use words with these suffixes correctly in sentences and short passages. Apply common injury-related vocabulary (e.g., injury, suffer, X-ray) in context. Learning objectives 小红书：Christina在努力 原创课件 Look and Guess have a toothache What’s the matter? He may . What should he do? He should/ shouldn’t ... 小红书：Christina在努力 原创课件 Look and Guess What’s wrong with him/her? She/He may . cut himself/herself What should he/she do? She/He should/ shouldn’t ... 小红书：Christina在努力 原创课件 Look and Guess What’s wrong with him? He may . have a What should he do? He should/shouldn’t ... stomachache 小红书：Christina在努力 原创课件 stomachache How long did it take you to memorize the word? Here is a good way for you to memorize a long word. 小红书：Christina在努力 原创课件 Let’s learn some suffixes. n+less: 表示从有到无 body part+ache: 表示这个部位有疼痛 -self/-selves: 表示“自己” 小红书：Christina在努力 原创课件 back tooth stomach head backache headache stomachache toothache Can you tell what the suffix “ache”means? Look at the changes of the pictures and summarize the rules. Pain 小红书：Christina在努力 原创课件 colour care harm pain colourless careless harmless painless Can you tell what the suffix “less”means? 1.hope→ hopeless without hope → 含义：___________ 2.end→ endless without end → 含义：___________ 3.use→ useless without use → 含义：___________ 4.home→ homeless without home → 含义：___________ Practice: Tell the meaning of the following word after being added the suffix 无望的；绝望的 无止境的；没完没了的 无用的 无家可归的 Look at the changes of the pictures and summarize the rule. suffix 无色的 无害的 粗心的 无痛的 without 小红书：Christina在努力 原创课件 my ____________　 our _________ your ___________　 your _________ it _____________　 them _________ him ___________ her ___________ myself 我自己 ourselves 我们自己 themselves 他们自己 itself 它自己 yourselves 你们自己 yourself 你自己 himself 他自己 herself 她自己 Can you tell what the suffix “self/selves”means? Look at the changes below. Summarize the meaning of the suffix. a person or a thing on their own. 小红书：Christina在努力 原创课件 2a What does each suffix in the box mean? Complete the table with the correct suffixes. back______ head______ stomach______ tooth______ colour______ care______ harm______ pain_______ my______　our______ your______　your______ it______　them______ him______ her______ colourless careless harmless painless backache headache stomachache toothache myself ourselves themselves itself yourselves yourself himself herself -self/selves -less -ache ________________ ________________ _______________________________ (without) (pain) （a person or thing on thheir own) less ache self/selves 小红书：Christina在努力 原创课件 Look at these people. They are each in pain. Do you know how to use the right “pain word” to describe each person’s pain? 小红书：Christina在努力 原创课件 The little boy fell off his chair and cried out in ______. (pain / ache) pain n& v：含义更广，可指各种类型、程度的疼痛，涵盖身体（生理）和心理上的痛苦，是通用词。 例：a sharp pain in the leg（腿部刺痛）、the pain of losing a friend（失去朋友的痛苦）。 painful adj 令人疼痛的 ache：特指持续性的、轻微的隐痛或酸痛，仅用于身体不适，无心理层面含义，常与身体部位搭配构成复合词。 例：a headache（头痛）、stomach ache（胃痛） 特点：通常指突然的、剧烈的疼痛。 特点：强调身体隐隐作痛（持续性酸痛） 小红书：Christina在努力 原创课件 Injury n.含义：指具体的 “受伤、损伤”，通常是外力造成的身体伤害，比如运动受伤、事故受伤。 用法：名词，常与 get an injury / suffer an injury 搭配。 例：He got a serious injury in the football match.（比赛中严重受伤）。 特点：强调 “受伤的事实”，需要治疗或休息恢复。 2.Be careful when you do sport. If you get a(n) ______, you'll have to rest for some time. (injury / pain) hurt vi 身体受伤 / 疼痛；伤害感情（口语化） adj：受伤的；疼痛的 小红书：Christina在努力 原创课件 harm v&n“伤害、损害”，可以是身体上的，也可以是精神、财产上的损害。 用法：可作名词或动词，常用搭配 do harm to / harmful（形容词）。 例：Smoking does great harm to your health.（对健康有害） 例：The chemicals are harmful to the environment.（有害的） Sore（身体部位）酸痛的；发炎疼痛的（常指肌肉、喉咙等）； 3.Don't lie down for too long as it could make your back feel ______. (harmful / sore) 小红书：Christina在努力 原创课件 2b 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. (have / 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. (painful / hurt) Don't lie down for too long as it could make your back feel ______. (harmful / sore) catch the flu 是固定搭配，意为 “患上流感”，强调 “感染” 这个动作。have the flu 则表示 “正患有流感”，侧重状态。 v. adj v. 小红书：Christina在努力 原创课件 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 ______ 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, suffer , X-ray, avoid, aid, throw, colour 2c Complete the passage with the correct forms of the words in the box. v. n. v. adj. threw colored suffering aid X-ray injury avoid n. 伤，损害 v. 遭受 n.X 光 v.避免 n&v 救助 投掷，抛扔 n. 颜色 v. 使...变色 n. 小红书：Christina在努力 原创课件 一、将下列单词加上合适的后缀（-self/-selves、-less、-ache）构 成新词。可使用词典辅助。 1.use _______ useless 2.ear ______________ earache/earless 3.meaning ____________ meaningless 4.heart _________________ heartache/heartless 5.one _______ oneself 6.hope _________ hopeless 7.it ______ itself 8.home _________ homeless 9.your _________________ yourself/yourselves 10.tooth _________________ toothache/toothless 11.fear ________ fearless 小红书：Christina在努力 原创课件 18 二、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 小红书：Christina在努力 原创课件 19 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 小红书：Christina在努力 原创课件 从方框中选出下列句子中黑体单词的词义。 clear A.（adj.）清晰的；清楚的；易懂的 B.（v.）清理 C.（adj.）晴朗的 D.（adj.）清澈的 1.Look! The sky is clear with no clouds.( ) 2.The water in the lake is so clear that we can see the fish in it.( ) C D 3.We should have clear life goals. They can guide us to a bright future.( ) A 4.The girl often clears the table after dinner.( ) B 小红书：Christina在努力 原创课件 21 smoke A.（v.）吸烟 B.（v.）冒烟 C.（n.）烟 5.The room was full of smoke from the burning stove.( ) 6.To tell the truth，I only smoke in the evening.( ) 7.I carelessly left the chicken in the oven too long and it started to smoke.( ) C A B 小红书：Christina在努力 原创课件 22 hit A.（v.）碰撞 B.（v.）击；打 C.（n.）打；击；击中 D.（n.）流行的人或事 8.Mike ran to the yard and hit a ball with a long stick.( ) 9.The book The Three-body Problem by Liu Cixin became a hit after it came out.( ) 10.I hit my knee on the corner of the table.( ) 11.Give it a good hit，and the nut（坚果） will crack（裂开） easily.( ) B D A C 小红书：Christina在努力 原创课件 23 “What’s the matter?”相关句型及 患病相关表达 知识链接：讲解详见背记本P12考点1&2 1.—Hi,Bob. You don’t look well. What’s the matter _____ you? —I have a stomachache. with 2.Betty talked too much yesterday，so she ________________（嗓子疼） now. has a sore throat 小红书：Christina在努力 原创课件 24 3.—I __________________（流鼻涕）.I think I ____________（患流感）. —You should go to see a doctor and take your temperature. have a runny nose have the flu 4.What was the trouble with Emma yesterday morning？（改为同义句） What _____ _______ _____ Emma yesterday morning? was wrong with 小红书：Christina在努力 原创课件 25 avoid的用法 知识链接：讲解详见背记本P12考点3 5.Flu is easy to break out in October. We should keep the windows open _________（avoid） it. 6.It’s cold outside,and you’d better put on more clothes to avoid ________ （catch） a cold. to avoid catching 7.在日常生活中，我们应该避免吃太多油腻的食物。 We should ______ _______ too much fat food in our daily life. avoid eating 小红书：Christina在努力 原创课件 26 stop及stop … from doing的用法 知识链接：讲解详见背记本P13考点4 8.To keep our seas healthy，we should stop ______（use） too many plastics（塑料）. using 9.We must try our best to stop events like this from __________（happen） again. happening 10.如果房子着火了，我们必须做些什么来阻止它燃烧。 If a house is on fire，we must do something to _____ ___ ______ ________. stop it from burning 小红书：Christina在努力 原创课件 27 cross，across与crossing辨析 知识链接：讲解详见背记本P13考点5 cross across crossing 11.Walk _______ the square，and you will find the bookstore on your left. 12.Always look left and right before you step onto the ________. 13.Thanks to the policeman,all the children ________ the street safely just now. across crossing crossed 小红书：Christina在努力 原创课件 28 turn相关短语的用法 知识链接：讲解详见背记本P14考点6 14.烤箱在桌子上，请帮我把它打开。 The oven is on the table. Please help me _____ ___ ____. turn it on 15.我忘记离开前是否关灯了。 I forgot if I _______ ____ the lights before leaving. turned off 16.这个标志表明这里不允许掉头。 The sign shows that it’s not allowed to _____ _______ here. turn around 小红书：Christina在努力 原创课件 29 1.Our English teacher always ______ about whether we take our work seriously. If we are _______ enough，we won’t make silly mistakes. I usually read my composition（作文） twice _________ before handing it to the teacher. My deskmate was a little ________ yesterday—he forgot to write his name on the paper. He even filled in some wrong answers __________ because he was in a hurry，so he got a low score. Our English teacher asked him to be much ____________ later.（care） cares careful carefully careless carelessly more careful 小红书：Christina在努力 原创课件 30 2.Last Saturday morning,I felt really _______ when my grandma came to visit our family. Having Grandma cook chicken for lunch and chat with me about her garden always filled my heart with __________.After lunch,we sat on the balcony,looked at the flowers she brought,and talked ________ until the sun went down.（happy） happy happiness happily 小红书：Christina在努力 原创课件 31 For all 写对话 Write 3 original sentences using words with -less (e.g., colourless, harmless) and 3 using -ache (e.g., toothache, headache). For some Write a 80–100 word personal story about a small injury, using at least 5 words from this lesson (e.g., suffer, avoid, ache, painful, injury). Homework 小红书：Christina在努力 原创课件 $