Unit 4 Safety first【单词+句型+语法+语音】讲解（课件）2026-2027学年译林版（三起）英语五年级上册

该小学英语课件围绕“Safety first”主题，涵盖安全相关词汇（如pull, push, stairs, keep to the right）、“Sb. should/shouldn’t...”句型及字母组合gr发音规则。通过“warm up”等生活情境导入，构建从词汇积累到句型运用再到语音辨析的学习支架，帮助学生逐步掌握知识。 其亮点在于知识演练分层设计（★★至★★★），结合游泳前热身、楼梯靠右走等真实情境，强化语言能力和思维品质。如句型题“Should we play football in the classroom?”培养安全判断，语音题通过找发音不同项提升辨音能力。学生能提升语言运用与安全意识，教师可借助清晰结构和分层练习提高教学效率。

Unit 4 Safety first 【单词-上】讲解 译林版五年级上册 1 pull /pʊl/ v. 拉，拽，扯 Pull the door open please. 请把门拉开。 push /pʊʃ/ v. 推 Don’t push your classmates. 不要推你的同学。 warm up 做准备活动，热身 We warm up before swimming. 我们游泳前做热身。 jump /dʒʌmp/ v. 跳，跳跃 I can jump very high. 我可以跳得很高。 climb /klaɪm/ v. 攀登，爬 They climb the hill on Sunday. 他们周日爬山。 should /ʃʊd/ modal v. 应该，应当 You should keep to the right. 你应该靠右边走。 swim /swɪm/ v. 游泳 I swim in the swimming pool. 我在游泳池里游泳。 swimming pool 游泳池 This swimming pool is big. 这个游泳池很大。 hurt /hɜːt/ v. 感到疼痛； （使）疼痛，受伤 My leg hurts after running. 跑完步我的腿疼。 pull push warm up jump climb 单词小记 should swim swimming pool hurt You ______ warm up before you swim. should shouldn’t mustn’t 知识演练 难易程度： 英汉互译。 1. pull ____________ 2. push ____________ 3. 热身 ____________ 4. jump ____________ 5. 攀登，爬 ____________ 知识演练 难易程度： 拉，拽，扯 推 warm up 跳，跳跃 climb 用所给词的适当形式填空。 1. He often ______ (swim) in the swimming pool. 2. My leg ______ (hurt) yesterday. 知识演练 难易程度： hurt swims Unit 4 Safety first 【单词-下】讲解 译林版五年级上册 15 listen /ˈlɪsn/ v. 听从 Please listen to your teacher. 请听从你的老师。 stairs /steəz/ n. 楼梯 Walk slowly on the stairs. 在楼梯上慢行。 keep to the right 靠右边走 We keep to the right on stairs. 我们上下楼梯靠右边走。 from /frəm/ prep. 从 We walk from the classroom. 我们从教室出发步行。 may /meɪ/ modal v. 也许，可能 He may go to swim right now. 他可能马上要去游泳。 out of the way 不再挡路，不再碍事 Please get out of the way. 请不要再挡路了。 right now 立即，马上 Stop running right now. 马上停止奔跑。 walk /wɔːk/ v. 走，行走 I walk to school every day. 我每天步行去上学。 slowly /ˈsləʊli/ adv. 慢速地，缓慢地 She walks slowly down stairs. 她缓慢走下楼梯。 listen stairs keep to the right from may 单词小记 out of the way right now walk slowly When you take the ______, please keep to the right. listen stairs slowly 知识演练 难易程度： 英汉互译。 1. listen ____________ 2. from ____________ 3. 立刻；马上 ____________ 4. walk ____________ 知识演练 难易程度： 听从 从 right now 走，行走 用所给词的适当形式填空。 1. Please walk ________ (slow). 2. ________ (may) I use your pencil? 知识演练 难易程度： May slowly Unit 4 Safety first 【句型】讲解 译林版五年级上册 29 表达建议、忠告的句型 should / shouldn’t后接动词原形。 shouldn’t = should not。 Sb. should / shouldn’t… 句型 30 To keep healthy, we should exercise every day. Yes! And we shouldn’t eat too much junk food. —We ______ keep the classroom clean. —Yes, you’re right. A. should B. shouldn’t C. can 知识演练 难易程度： 32 —You ______ eat too much candy. It’s bad for teeth. —OK, I won’t. A. should B. shouldn’t C. must 知识演练 难易程度： 33 —______ we play football in the classroom? —No, you ______. It will break things. A. Should; should B. Should; shouldn’t C. Can; can 知识演练 难易程度： 34 仿照例句，用 Sb. should /shouldn’t… 造句。 例：Tom / go to bed early → Tom should go to bed early. 1. We / talk loudly in the library（提示：不应该） ____________________________________ 2. You / drink more water every day （提示：应该） ____________________________________ We shouldn’t talk loudly in the library. 知识演练 难易程度： You should drink more water every day. 35 Unit 4 Safety first 【语音】讲解 译林版五年级上册 36 We grow sweet grapes on the soft ground.我们在松软的土地上种植甜甜的葡萄。 37 green grape /ɡriːn/ /ɡreɪp/ Let’s read. 38 grass ground /ɡrɑːs/ /ɡraʊnd/ Let’s read. 39 字母组合gr发/gr/音 /gr/的发音技巧 字母g对应音标/ɡ/，属于浊爆破音：发音时双唇紧闭，再突然释放气流； 字母r对应音标/r/，属于卷舌音：发音时舌尖向上卷起，气流摩擦送出； /ɡ/与/r/两个音无缝衔接，拼读时中间不停顿、不额外添加元音，连贯读出/gr/。 40 找出划线部分发音不同的一项。 A. group B. glass C. great D. grey 知识演练 难易程度： 41 选出发音含 /gr/ 的单词。 1. A. brown B. grape C. black 2. A. great B. blue C. bridge 3. A. grass B. brother C. blank 知识演练 难易程度： 42 看音标写单词。 /ɡreɪp/ ________ /ɡriːn/ ________ /ɡrɑːs/ ________ /ɡrəʊ/ ________ /ɡreɪ/ ________ grape green 知识演练 难易程度： grass grow grey 43 $