Unit 4 Natural disaster重点单词讲解课件Unit 3 Sports and Fitness 重点单词讲解课件-2026-2027学年高中英语人教版必修第一册

该高中英语课件围绕“natural disasters”主题，聚焦核心词汇的一词多义及用法，通过例句与选项互动导入，从词汇辨析（如flood的“大量n.”“洪水n.”“淹没vt.”）到短语总结（如come to one’s rescue）再到句子应用，构建由浅入深的学习支架。 其亮点在于以语言能力培养为核心，通过一词多义对比（如strike的“袭击”“报时”“突然想到”）和近义表达辨析（如bury oneself in与be buried in）提升思维品质，综合练习与句子表达强化学习策略。学生能夯实词汇基础并提升语境应用能力，教师可借助系统框架高效开展词汇教学。

natural disasters Language points shock flood rescue shelter strike bury breathe ruin 一词多义 flood 1)A flood of people are taking part in preventing the flood. _______ _______ 2)Memories of the past flooded back when he saw the old street._________ 3)The typhoon brought heavy rain that flooded the city center. _________ A. 洪水，洪灾n.    B. 淹没vt.    C.大量 n.     D.涌上来vi. C A D B ... came(crowded) into one’s mind ... welled up in one’s heart ... swept over sb. ... flashed back 一词多义 1)Shelters were set up by the government to help the homeless.______ 2)Parents always want to do everything to shelter their children from any harm. ______ 3)We sheltered from the rain in a doorway. _______ shelter A.避难所n.    B.躲避vi.      C.保护 vt. C B A protect/shelter/defend/(safe)guard sb. from... 一词多义 1)She was taken to hospital because she suffered from shock._______ 2)It shocked me that he refused our invitation._________ shock A.(使) 震惊n./vt B.休克 n. B A 一词多义 1)The baby who is affected with a high fever has been taken to hospital.________ 2)I was affected by the show. From it, I was interested in Chinese opera.________ 3)The drought has affected millions of people.________ affect vt. A. 影响 B.使感动 C.使感染上 A C B be touched/moved by 一词多义 1)When the clock struck nine, I found all homework was not finished.___________ 2)An awful idea just struck me. ___________ 3)Workers go on strike in order to get a pay rise. ___________ 4)A strong typhoon struck our city last month. ___________ strike A. 袭击/撞击 B.罢工n. C.报时 D.突然想到 C D B A hit/occur to... Unusually heavy rains and massive flooding have hit China’s Henan province, bursting the banks of rivers... The Chinese capital was choking(窒息) on sand and dust on Monday, as the biggest sandstorm in nearly a decade swept over the city turning the skies an eerie shade of orange. 二、观察例句，总结重点单词用法 1. rescue   vt./n.营救 The soldiers came to his rescue. They rescued him from the black hole. 总结：come _____ one’s rescue 营救某人       rescue sb.______ +地点   2.damage n./vt.损失、损害 Staring at cellphones for long periods of time will do damage to our eyesight. 总结：______________________对......有害 回顾：“对.......有害”的表达还有：________________________________________ to from do(cause) damage to... do harm to.../ be harmful to... 3. ruin   n.废墟   vt.毁坏 1) The ancient temple has been in ruins and needs repairing. 2) After the earthquake, nearly all the buildings fell down and a large number of people were buried under the ruins. 总结：ruin作“废墟”讲，在句中用_________形式。 4. suffer  vt./vi遭受/遭遇 Reading fictions helps those who do not suffer from loneliness to understand lonely people. 总结：suffer ________ sth.遭受某事 拓展：My study will suffer when I am under great stress. 句中的suffer与_______意义相近 A. will be influenced    B. will be improved      复数 from A 5.shock n./vt （使）震惊 __________ adj.令人震惊的 __________adj.震惊的 1)The news was a shock to me. 2)I was shocked at the news that he refused such a good job. 总结：_________________________某事是件令人震惊的事 _________________________对某事感到震惊 6.bury vt.掩埋；使陷入；掩盖 1)She buried her face in her hands and began to sob. 2)The scientist knew nothing about the matter, because he was always burying himself in his study. 总结：bury one’s face in hands______________________ __________________________________________专心做某事 回顾：表达“专心做某事”的有_______________________________________________ shocking shocked sth. be a shock to sb. be shocked at... 双手掩面 bury oneself in...=be buried in focus/concentrate on... 7.breathe vi.& vt. 呼吸；将……注入→_________ n. 呼吸→__________ adj. 无法呼吸的；喘不过来气的 1)take a deep breath________________ take one’s breath away__________________ 2) out of breath____________________ 3)breathe a sigh of relief_________________ 【拓展】I was amazed by the breathtaking views of the Great Wall. adj._______________ 8.effort n.努力 近义表达：_____________ 1)I made an effort to run as fast as I could. 2)I will spare no efforts to help you with your problem. 总结：effort后接动词______________形式； make an effort to do 意为_________________ spare no efforts to do sth. 意为__________________________ breath breathless 深呼吸 令人惊叹 上气不接下气 如释重负 令人惊叹的 diligence/ hard work 不定式(to do) 努力做某事 不遗余力做某事 9. death n. 死；死亡→________vi. 死；灭亡→_______ adj. 临终的；垂死的→________ adj. 死的；死气沉沉的→________ adj. 致命的；极度的　adv. 极其；非常 1) The deadly plane crash(坠毁) has caused many deaths. The dead were hard to recognize. 2) I'm dying to know what happened because it was so strange. 总结：deaths用作复数形式时，意为________________; “死者”的英语表达为_________       be dying to do sth.意为_______________________ die dying dead deadly 死亡人数 the dead 渴望做某事          n.________喜爱  VS. ___________n.偏爱 10. affect                    n.________影响；效果→__________ adj.有效的→__________adj.无效的                                1) Individual talent will have positive effects on team performance. 2) He shows great affection for his sister. 3) The medicine cured my headache, but it had some side effects like drowsiness(嗜睡). 总结：_________________________________对......有影响        _________________________________对......很疼爱       side effects意为______________________ affection preference effect effective ineffective have a(n)+形+effect(influence) on show affection for 副作用 11. strike v. (struck, struck/stricken) 侵袭；突击；击打；敲；报时；突然想到　n. 罢工；罢课；袭击 1) It struck me that I could ask my mom for help. 2) I was really struck by the beauty of this mountain. 3) Everything seemed to stop in the flood-stricken area. 总结：it strikes/struck sb. that意为______________________________； 近义表达还有： _______________________________________________________________       be struck by sth.__________________________________     flood-stricken 意为___________， 思考“名--stricken”结构,表示_____________ 某人突然想到 it occur to/hit sb. that...=sth. come(crowd) into one’s mind 被......打动 受洪水袭击 受......袭击 disease-stricken poverty-stricken 【综合练习】 1.All people came _____his rescue. However, it was very difficult to rescue him _____the narrow well. 2.I showed great concern for those people whose lives ____________(affect) by the flood. 3.Great scientific achievements will have a positive effect _________ our life as well as society. 4.The governments have been sparing no effort ________ (take) various effective methods. 5.It _______(strike) him that he made a mistake. to from were affected on to take struck 6.He ___________(bury) himself in his work so he didn’t notice what happened. 7.He____________(bury) in his work so he didn’t notice what happened. 8.____________(bury) in his work, he didn’t notice what happened. 9.Spending too much time online will cause damage_______ our health. 10.It was________(shock) that the bear came back in anger and attacked the fence. 11.Suffering _______ repeated failures ruined his confidence. buried was buried Buried to shocking from 三、句子表达 1.人类将垃圾埋在(bury)地下，这很大损害了(cause damage to...)自然环境。 2.然而，令人震惊(shock)的是，人们并没有意识到他们的错。 3.直到近年来，许多地方受到致命的自然灾害的袭击(strike)，对人类的生活产生消极的影响。 4.人们才突然想到(it strikes sb. that...)要不遗余力地去保护环境。 5.换句话说，如果人类不将自己从这一困境中拯救(rescue...from...)出来，那么人类将会遭受(suffer from)更多灾难，甚至毁掉(ruin)自己。 1.人类将垃圾埋在(bury)地下，这很大损害了(cause damage to...)自然环境。 Humans bury rubbish underground, which causes great damage to the natural environment. 2.然而，令人震惊(shock)的是，人们并没有意识到他们的错。 However, it was shocking that people didn’t realize their mistakes. 3.直到近年来，许多地方受到致命的自然灾害的袭击(strike)，对人类的生活产生消极的影响。 Until recent years, a number of places have been struck by deadly natural disasters, having negative effects on their life. 4.人们才突然想到(it strikes sb. that...)要不遗余力地去保护环境。 It strikes us that we need to spare no efforts to protect the environment. 5.换句话说，如果人类不将自己从这一困境中拯救(rescue...from...)出来，那么人类将会遭受(suffer from)更多灾难，甚至毁掉(ruin)自己。 In other words, if humans do not rescue themselves from this difficult situation, they will suffer from more disasters, and even ruin themselves. $