Unit 4 Safety first课本知识预习+巩固练习（导学案）新五年级英语暑假自学课（译林版三起·新教材）

五年级上册暑假自学课（译林版三起） Unit 4 Safety first 单元知识整合 1 语音 字母组合 gr 在单词中发 /ɡr/ 音 例词：great, green, grapes, grow 2 必会词汇 pull 拉，拽，扯 push 推 jump 跳，跳跃 climb 攀登，爬 should 应该，应当 swim 游泳 hurt 感到疼痛；（使）疼痛，受伤 listen 听从 stairs 楼梯 from 从 may 也许，可能 walk 走，行走 slowly 慢速地，缓慢地 think 思考 3 重点短语 safety first 安全第一 warm up 做准备活动，热身 go swimming 去游泳 swimming pool 游泳池 by the swimming pool 在游泳池边 can’t wait迫不及待；等不及 listen to you听你的 cut them down把它们砍下来 go to the sports ground 去运动场 be careful小心 run on the stairs 在楼梯上跑 keep to the right 靠右边走 jump from the stairs 从楼梯上往下跳 keep safe保持安全 push others 推搡别人 pull his clothes 拉扯他的衣服 move out of the way 让开；挪开位置 feel tired感到疲惫的 sit down 坐下 right now 立即，马上 walk slowly 慢慢走 well down干得好 safety tips安全提示 4 核心句型 1.What should you do to keep safe?你应该做些什么来保证安全？ 2.We shouldn’t swim here.我们不应该在这里游泳。 3.You should warm up first.你应该先热身。 4.My leg hurts! I can’t move!我的腿疼！我动不了了！ 5.I should listen to you.我应该听你的。 6.It’s time for PE!体育课时间到了！ 7.You shouldn’t run on the stairs. It’s not safe.你不可以在楼梯上奔跑，这不安全。 8.We should also keep to the right.我们也应该靠右行走。 9.We shouldn’t jump from the stairs.我们不可以从楼梯上往下跳。 10.How can we keep safe in PE class?我们在体育课上要如何保证安全？ 11.We shouldn’t push others.我们不可以推搡别人。 12.You shouldn’t pull his clothes. You may hurt him.你不可以拉扯他的衣服，你可能会弄伤他。 13.You shouldn’t sit down right now. Let’s walk slowly.你现在不可以坐下，我们慢慢走一会儿。 5 重难点突破 重难点01：safe与safety的用法区别 Safety first. 安全第一。 It’s not safe. 这是不安全的。 考点➊ safe是形容词，意为“安全的、平安的”，用法如下： (1) 放在 be 动词 (am /is/are) 后面，说明人 / 事物 “是安全的” 例句：I am safe. 我平安了。 This street is safe. 这条街道很安全。 (2) 放在名词前面，修饰名词，翻译为 “安全的……” 例句：a safe place 一个安全的地方 a safe home 一个安全的家 考点➋ safety是名词，意为“安全”，名词可以单独在句子中当主语、宾语： 例如：road safety 道路交通安全，Safety first. 安全第一 Road safety is important. 道路安全很重要。 Safety first. 安全第一。 拓展：safely是safe的副词形式，副词修饰动词，如：You should drive safely.您应该安全驾驶。 【提分练01】 一、用所给单词的适当形式填空。 1.We must keep __________ (safe) on the bus. 2.__________ (safe) is very important for children. 3.This is a __________ (safe) crossing. 4.Please think about your __________ (safe). 5.The rules can keep us __________ (safe). 二、单项选择。 ( )1.We should learn about road __________. A. safe B. safety C. safely ( )2.The park is very __________. We can play here. A. safe B. safety C. save ( )3.— __________ first! — Yes, you’re right. A. Safe B. Safety C. Safely ( )4.Everyone needs to know the rules of __________. A. safe B. safety C. happy ( )5.It’s a __________ way to go home. A. safety B. safe C. safely 重难点02：情态动词 should / shouldn’t 的基本用法 What should you do to keep safe?你应该做些什么来保证安全？ We shouldn’t swim here.我们不应该在这里游泳。 3. You should warm up first. 你应该先热身。 4. My leg hurts! I can’t move! 我的腿疼！我动不了了！ 5. I should listen to you. 我应该听你的。 6. It’s time for PE! 体育课时间到了！ 7. You shouldn’t run on the stairs. It’s not safe. 你不可以在楼梯上奔跑，这不安全。 8. We should also keep to the right. 我们也应该靠右行走。 9. We shouldn’t jump from the stairs. 我们不可以从楼梯上往下跳。 10. How can we keep safe in PE class? 我们在体育课上要如何保证安全？ 11. We shouldn’t push others. 我们不可以推搡别人。 12. You shouldn’t pull his clothes. You may hurt him. 你不可以拉扯他的衣服，你可能会弄伤他。 1. You shouldn’t sit down right now. Let’s walk slowly. 你现在不可以坐下，我们慢慢走一会儿。 1. I feel tired. 我感到累了。 1. But I can’t wait! 但是我等不及了！ 你现在不可以坐下，我们慢慢走一会儿。 1. Mr Green cuts them down so carefully and so slow. 格林先生小心翼翼、慢慢地把它们砍下来。 should表示“应该”，没有人称和数的变化，后跟动词原形。 1.用来提出建议和忠告，后面接动词原形。 例如：She should wear more clothes. 她应该多穿点衣服。 2.否定形式should not= shouldn't. 例如: You shouldn't eat too much meat.你不应该吃太多肉。 3.基本句式结构 · 肯定句：主语 + should + 动词原形 + 其他. 例句：We should warm up first. 我们应该先热身。 · 否定句：主语 + shouldn’t + 动词原形 + 其他. 例句：You shouldn’t run on the stairs. 你不可以在楼梯上奔跑。 ⚠️ 易错提醒： should/shouldn’t 后面必须接动词原形，不能加动词三单、ing 形式或过去式。 【提分练02】 一、用所给词的适当形式填空。 1.You should __________ (warm) up before swimming. 2.We shouldn’t __________ (run) on the stairs. 3.He should __________ (listen) to his friends. 4.They shouldn’t __________ (jump) from the stairs. 5.Su Hai should __________ (walk) slowly now. 二、单项选择。 ( )1. I __________ climb the tree. It’s dangerous. A. should B. shouldn’t C. can ( )2. She __________ move out of the way. It’s not safe. A. should B. shouldn’t C. isn’t ( )3. We __________ push others in PE class. A. not should B. shouldn’t C. don’t should ( )4. Everyone __________ follow the school rules. A. should B. shouldn’t C. are 重难点03：can’t wait的用法 I can’t wait.我等不及了。 can't wait含义：迫不及待、等不及 用法：can't wait to + 动词原形 “迫不及待去做某事” 例句：I can't wait to go to the park.我迫不及待想去公园。 She can't wait to open the box.她迫不及待想打开盒子。 We can't wait to have lunch.我们迫不及待想吃午饭。 拓展：wait for + 人/物，意为“迫不及待等待某人 / 某物” 例句：I can't wait for the holiday.我迫不及待等着放假。 He can't wait for his new toy.他迫不及待想要他的新玩具。 【提分练03】 一、单项选择。 ( )1.I can't wait ______ to school. A. go B. to go C. for go ( )2.Tom can't wait ______ his new pen. A. for B. to C. at ( )3.Look! The girls can't wait ______ dance. A. for B. to C. / ( )4.We can't wait ______ the party. A. have B. to have C. for have ( )5.—Let's go! —OK! I ______ wait. A. can't B. don't C. isn't 二、用括号内单词的正确形式填空。 1.I can't wait ______ (play) games with you. 2.She can't wait ______ (have) dinner. 3.They can't wait for ______ (apple). 4.My sister can't wait ______ (watch) cartoons. 三、英汉互译。 1.I can't wait for Christmas. _____________________________________________ 2.He can't wait to fly a kite. _____________________________________________ 3.我迫不及待想见你。_____________________________________________ 4.她迫不及待等着礼物。_____________________________________________ 重难点04：hurt 的用法 Oh, my leg hurts!哦，我的腿疼啊！ You may hurt him. 你可能会弄伤他。 考点➊ hurt 作不及物动词，意为“（身体）疼痛” 常用句型：身体部位 + hurts. （某部位疼） · 主语为单数身体部位时，hurt 用第三人称单数形式 hurts。 · 主语为复数身体部位时，hurt 用原形形式 hurt。 例如：My leg hurts! 我的腿疼！ His hands hurt.他的手疼。 考点➋ hurt 作及物动词，意为“弄伤，伤害” 句型：主语 + hurt + 宾语. 例如：You may hurt him. 你可能会弄伤他。 ⚠️ 易错提醒： 1.描述身体疼痛时，主语是身体部位，动词注意单三变化； 2.hurt 原形、过去式、过去分词形式一致，无需变形。 【提分练04】 一、用 hurt /hurts 填空。 1.My foot __________. 2.His arms __________. 3.Her head __________. 4.My eyes __________. 5.The boy’s leg __________. 二、单项选择。 ( )1.My __________ hurts. A. foot B. feet C. hands ( )2.His __________ hurt. A. arm B. arms C. leg ( )3.Don’t __________ the little dog. A. hurt B. hurts C. hurting ( )4.You may __________ yourself. A. hurt B. hurts C. to hurt ( )5.My __________ hurts. I can’t walk. A. legs B. foot C. hands 重难点05：固定句型 It’s time for... It’s time foe PE.该上体育课了。 考点➊ 句型：It’s time for + 名词. （……的时间到了/该做……了） 例如：It’s time for lunch! 午饭的时间到了！ 考点➋拓展同义句：It’s time to + 动词原形. 例：It’s time for class. = It’s time to have class. 上课时间到了。 ⚠️ 易错提醒： for 后面接名词，to 后面接动词原形，二者不能混用。 【提分练05】 一、单项选择。 ( )1.It’s time __________ music class. A. for B. to C. of ( )2.It’s time __________ listen to the teacher. A. for B. to C. at ( )3.— It’s time __________ bed. — OK, Mum. A. to B. for C. in ( )4.It’s time __________ football. A. play B. to play C. for play ( )5.__________ time to have dinner. A. It’s B. Its C. It ( )6.It’s time __________ TV. A. watch B. to watch C. for watch 二、将下列句子改为同义句。 1.It’s time for lunch. It’s time __________ __________ lunch. 2.It’s time to have class. It’s time __________ __________. 3.It’s time for bed. It’s time __________ __________ to bed. 4.It’s time to go home. It’s time __________ __________. 5.It’s time for PE. It’s time __________ __________ PE class. 知识演练 一、选出下列单词中划线部分发音不同的一项 ( )1. A. great B. green C. girl ( )2. A. grapes B. bag C.grow ( )3. A. grade B. grass C. big ( )4. A. dog B. ground C. grey （二）将下列单词按发音分类 green, glad, grapes, grow, get, great 1.字母组合 gr 发 /ɡr/：__________________________________ 2.字母 g 单独发 /ɡ/：__________________________________ 二、根据首字母或中文提示填空。 A. 根据首字母提示补全单词 1.Don’t p____________ others in the hallway. It’s dangerous. (推) 2.My foot h____________ badly. I can’t walk now. (疼痛) 3.We must walk s____________ on the wet floor. (缓慢地) 4.Please don’t run on the s____________. It’s not safe. (楼梯) 5.You s____________ follow the school safety rules. (应该) B. 根据中文提示补全句子。 1.Let’s ______________________ (热身) before running. 2.______________________ (安全第一) is a useful rule for us all. 3.Don’t ________________ (攀爬) the tall tree near the wall. 4.We can swim in the ______________________ (游泳池) after class. 5.Please ______________________ (听从) your teacher’s words. 三、用所给单词的适当形式填空。 1.We must keep __________ (safe) when we play outside. 2.__________ (safe) is the most important thing for kids. 3.You should walk __________ (slow) in the classroom. 4.He shouldn’t __________ (jump) over the chair. 5.My hands __________ (hurt) after doing housework. 6.I can’t wait __________ (play) on the playground. 7.This is a __________ (safe) place for little children. 8.Don’t __________ (pull) the little boy’s arm. You may hurt him. 9.Everyone needs to care about their __________ (safe). 10.She should __________ (listen) to her parents at home. 四、单项选择 ( )1. We should learn about road __________. A. safe B. safety C. safely ( )2. It’s time __________ our morning exercises. A. for B. to C. of ( )3. You __________ climb the wall. It’s too dangerous. A. should B. shouldn’t C. can ( )4. I can’t wait __________ my new storybook. A. for B. to read C. read ( )5. Her __________ hurts, so she can’t run. A. legs B. foot C. hands ( )6. We should __________ on the right on the stairs. A. walk B. walks C. walking ( )7. Don’t push or pull others. You may __________ them. A. hurt B. hurts C. hurting ( )8. — Let’s go to the park! — Great! I __________ wait. A. can B. can’t C. don’t ( )9. It’s time __________ play basketball with friends. A. for B. to C. at ( )10. The street is very __________. We can play here happily. A. safety B. safe C. safely ( )11. __________ first! We can’t forget this rule. A. Safe B. Safety C. Safely ( )12. They __________ run in the library. It’s not polite. A. shouldn’t B. not should C. don’t should ( )13. My father drives __________ every day. A. safe B. safety C. safely ( )14. I can’t wait __________ the coming holiday. A. to B. for C. at ( )15. You __________ warm up before doing sports. A. should B. shouldn’t C. aren’t 五、根据中文提示补全句子（每空一词） 1.我们不应该在楼梯上跳。 We __________ __________ on the stairs. 2.该吃晚饭了。 __________ __________ __________ dinner. 3.你应该慢慢走路，不要着急。 You __________ __________ __________. Don’t hurry. 4.我的胳膊疼，我拿不动书包了。 My __________ __________. I can’t carry my schoolbag. 5.我们在体育课上应该靠右行走。 We __________ __________ __________ __________ in PE class. 6.他迫不及待想要去游泳。 He __________ __________ __________ __________. 7.不要拉扯别人的衣服，你会弄伤他。 Don’t __________ __________ others’ clothes. You may hurt him. 8.安全提示对我们很有帮助。 The __________ __________ are helpful for us. 9.你现在不能马上坐下。 You __________ __________ __________ right now. 10.我们在外面要保持安全。 We should __________ __________ outside. 六、补全对话。 对话一（场景：教学楼楼梯口） A: Look! Some students are running on the stairs. B: Oh no! 1. __________ __________ run on the stairs. It’s not safe. A: You’re right. 2. __________ should we do to keep safe? B: We 3. __________ walk slowly and keep to the right. A: Can we jump from the stairs? B: No, we 4. __________. It’s very dangerous. A: Thank you for telling me the rules. B: 5. __________. 对话二（场景：公园游泳池边） A: Let’s go swimming in the lake over there! B: Wait! 1. __________ __________ swim here. A: Why? B: It’s not safe. We can swim in the swimming pool. A: OK! I 2. __________ __________ wait to swim! B: 3. __________ __________ warm up first. A: All right. After warming up, let’s go. (After a while) A: Oh! My leg 4. __________. I can’t move! B: Are you OK? Don’t worry. Let me help you. 七、句型转换。 1.We should warm up before sports.（改为否定句） We __________ __________ warm up before sports. 2.It’s time for music class.（改为同义句） It’s time __________ __________ music class. 3.You should walk slowly here.（改为一般疑问句） __________ __________ walk slowly here? 4.They shouldn’t push others.（改为肯定句） They __________ __________ others. 5.I can’t wait to fly kites.（对划线部分提问） __________ __________ you __________ __________ do? 6.It’s time to play games.（改为同义句） It’s time __________ __________. 7.We should keep safe at school.（对划线部分提问） __________ __________ we __________ at school? 8.She shouldn’t climb trees.（改为肯定句） She __________ __________ trees. 参考答案 【提分练01】 一、1.safe 解析：keep + 形容词，keep safe 保持安全。 2.Safety 解析：名词作主语，句首首字母大写。 3.safe 解析：形容词修饰名词 crossing（路口）。 4.safety 解析：形容词性物主代词 your 后接名词。 5.safe 解析：固定用法 keep sb. + 形容词（使某人处于…… 状态）。 二、1.B 解析：road safety 固定短语 “道路安全”。 2.A 解析：be 动词 is 后接形容词 safe。 3.B 解析：固定句型 Safety first. 4.B 解析：介词 of 后接名词 safety。 5.B 解析：修饰名词 way，用形容词 safe。 【提分练02】 一、1. warm 2. run 3. listen 4. jump 5. walk 二、1.B 2.A 3.B 4.A 【提分练03】 一、1.B 解析：can't wait to do sth. 迫不及待做某事 2.A 解析：后面是名词 pen，用 for 3.B 解析：后面是动词 dance，用 to 4.B 解析：have 是动词，用 to have 5.A 解析：固定短语 can't wait 等不及 二、1.to play 2.to have 3.apples 4.to watch 三、1.我迫不及待等着圣诞节。 2.他迫不及待想去放风筝。 3.I can't wait to see you. 4.She can't wait for the gift. 【提分练04】 一、1.hurts（foot 是单数部位，用三单形式） 2.hurt（arms 是复数部位，用原形） 3.hurts（head 是单数部位，用三单形式） 4.hurt（eyes 是复数部位，用原形） 5.hurts（leg 是单数部位，用三单形式） 二、1.A解析：动词是 hurts（三单），说明主语必须是单数，foot 是单数，feet 和 hands 是复数，故选 A。 2.B解析：动词是 hurt（原形），说明主语必须是复数，arms 是复数，arm 和 leg 是单数，故选 B。 3.A解析：Don’t 后接动词原形，hurt 用原形，故选 A。 4.A解析：情态动词 may 后接动词原形，hurt 用原形，故选 A。 5.B解析：动词是 hurts（三单），说明主语是单数，foot 是单数，legs 和 hands 是复数，故选 B。 【提分练05】 一、1.A 解析：music class 是名词短语，用 for 2.B 解析：listen 是动词原形，用 to 3.B 解析：bed 是名词，用 for 4.B 解析：play football 是动词短语，用 to play（to + 动词原形） 5.A 解析：固定句型 It’s time to... 6.B 解析：watch TV 是动词短语，用 to watch 二、1.to have 解析：It’s time for lunch = It’s time to have lunch 2.for class 解析：It’s time to have class = It’s time for class 3.to go 解析：It’s time for bed = It’s time to go to bed 4.for home 解析：小学阶段可简化为 It’s time for home，完整表达也可写 It’s time for going home 5.to have 解析：It’s time for PE = It’s time to have PE class 知识演练参考答案 一、（一）辨音 1.C 2. B 3. C 4. A （二）发音分类 1.great, green, grapes, grow 2.glad, get 二、A. 1.push 2. hurts 3. slowly 4. stairs 5. should B. 1.warm up 2. Safety first 3. climb 4. swimming pool 5. listen to 三、1.safe 2. Safety 3. slowly 4. jump 5. hurt 6.to play 7. safe 8. pull 9. safety 10. listen 四、1.B 2.A 3.B 4.B 5.B 6.A 7.A 8.B 9.B 10.B 11.B 12.A 13.C 14.B 15.A 五、1.shouldn’t jump 2.It’s time for 3.should walk slowly 4.arm hurts 5.should keep to the right 6.can’t wait to swim 7.pull his / pull 8.safety tips 9.shouldn’t sit down 10.keep safe 六、对话一 1.We shouldn’t 2. What 3. should 4. shouldn’t 5. You’re welcome 对话二 1.We shouldn’t 2. can’t 3. You should 4. hurts 七、1.should not 2.to have 3.Should you 4.should push 5.What can; can’t wait to 6.for games 7.What should; do should climb 第 1 页 共 6 页 学科网（北京）股份有限公司 $