Unit 4 Safety first一学一练 (同步练)-2026-2027学年译林版（三起）英语五年级上册

**基本信息** 本练习以“学练结合”为核心，通过词汇-句型-语法三阶分层设计，实现从基础梳理到综合运用的知识巩固，培养语言能力与安全规则意识。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础梳理层|单元核心词汇、句型及语法点|通过表格系统呈现词汇音标、词性及拓展，句型中英对照，语法规则解析，夯实语言基础| |基础应用层|词汇互译与辨析、句型情景运用|英汉互译巩固词汇记忆，选词填空与情景选择结合安全场景，提升语言理解与表达能力| |综合运用层|语法规则综合应用、语篇构建|连词成句与句型转换强化语法运用，短文填空整合交通规则主题，培养语篇思维与综合语言运用能力|

2026-2027学年译林版（三起）五年级上册Unit 4 Safety first一学一练 考试时长：40分钟 满分：100分 姓名：________ 得分：________ 第一部分 词汇学练（共40分） （一）学词汇（单元核心词汇梳理） 单词 音标 词性 中文翻译 单词拓展 safety /ˈseɪfti/ n. 安全 单元主题Safety first 安全第一；形容词safe 安全的 safe /seɪf/ adj. 安全的 反义词dangerous 危险的 road /rəʊd/ n. 马路；道路 短语on the road 在马路上 cross /krɒs/ v. 穿过 短语cross the road 过马路 zebra /ˈzebrə/ n. 斑马 短语zebra crossing 斑马线 crossing /ˈkrɒsɪŋ/ n. 十字路口；人行横道 traffic /ˈtræfɪk/ n. 交通 短语traffic lights 交通灯 light /laɪt/ n. 灯 复数lights must /mʌst/ modal v. 必须 否定形式mustn't=must not 禁止，后接动词原形 wait /weɪt/ v. 等待 短语wait for 等待 green /ɡriːn/ adj. 绿色的 短语green man 绿灯（人行指示） red /red/ adj. 红色的 短语red man 红灯（人行指示） push /pʊʃ/ v. 推 反义词pull 拉 run /rʌn/ v. 跑 短语run on the stairs 在楼梯上跑 litter /ˈlɪtə/ v. 乱扔垃圾 rule /ruːl/ n. 规则 复数rules；短语traffic rules 交通规则 careful /ˈkeəfl/ adj. 小心的 短语be careful 小心；look out 当心 sharp /ʃɑːp/ adj. 锋利的 短语sharp knives 锋利的刀 stair /steə/ n. 楼梯 复数stairs queue /kjuː/ v. 排队 短语queue up 排队 （二）练词汇（40分） 1. 英汉互译（每题2分，共20分） （1）安全 ______ （2）穿过 ______ （3）必须 ______ （4）等待 ______ （5）规则 ______ （6）road ______ （7）push ______ （8）traffic lights ______ （9）zebra crossing ______ （10）look out ______ 2. 选词填空（每题2分，共20分） （ ）1. We ______ follow the traffic rules when we go out. A. must B. mustn't C. can （ ）2. When we cross the road, we should look for a ______. A. zebra crossing B. traffic jam C. sharp knife （ ）3. We ______ play football on the road. It's very dangerous. A. must B. mustn't C. can （ ）4. You must ______ for the green light before you cross the road. A. look B. wait C. run （ ）5. Don't ______ others when you go down the stairs. It's dangerous. A. push B. help C. queue （ ）6. We can cross the road when we see the ______ man. A. red B. green C. yellow （ ）7. We shouldn't ______ in public places. We should put rubbish in the bin. A. queue B. litter C. wait （ ）8. Safety ______. We must always remember the safety rules. A. first B. fast C. fun （ ）9. Don't run ______ the stairs. You may fall down. A. in B. on C. at （ ）10. Be ______! The car is coming. A. careful B. happy C. quiet 第二部分 句子练习（共30分） （一）学句子（单元核心句型梳理） 英文内容 中文翻译 How can we cross the road safely? 我们怎样才能安全过马路？ You must look for a zebra crossing first. 你必须先找斑马线。 You must look at the traffic lights. 你必须看交通灯。 You mustn't run on the road. 你禁止在马路上跑。 Wait for the green man. 等绿灯。 Don't push in the crowd. 不要在人群里推挤。 We must queue up when we get on the bus. 我们上公交必须排队。 We mustn't play with sharp knives. 我们不能玩锋利的刀。 Look out for cars and bikes. 小心汽车和自行车。 Safety first. Don't forget. 安全第一，别忘记。 （二）练句子（30分） 1. 英汉互译（每题1分，共10分） （1）安全第一。 （2）我们必须遵守交通规则。 （3）你禁止在马路上玩。 （4）等绿灯亮了再过马路。 （5）当心汽车。 （6）How can we cross the road safely? （7）You mustn't run on the stairs. （8）We should queue up in public. （9）Don't play with sharp things. （10）We must look for a zebra crossing. 2. 情景选择（每题2分，共10分） （ ）1. 看到同学在马路上踢足球，你会劝阻： A. You must play football on the road. B. You mustn't play on the road. It's dangerous. C. That's fun. （ ）2. 老师教大家过马路的安全知识，告诉大家必须找斑马线，会说： A. You must look for a zebra crossing when you cross the road. B. You can cross the road anywhere. C. You must run across the road. （ ）3. 看到红灯亮了，你提醒同行的小朋友： A. We can cross the road now. B. We must wait for the green light. C. Run quickly. （ ）4. 上下楼梯时，你看到有人推挤前面的同学，会说： A. Push him! B. Don't push. It's dangerous. C. You are strong. （ ）5. 老师在安全课上告诉大家最核心的原则是： A. Safety first. B. Play first. C. Run first. 3. 连词成句（每题2分，共10分） （1）must, follow, we, rules, traffic (.) （2）road, you, play, mustn't, on, the (.) （3）wait, green, for, must, we, light, the (.) （4）cross, look, zebra, for, a, when, you, crossing, road, the (.) （5）safety, remember, first (.) 第三部分 语法学练（共30分） （一）学语法（单元重难点梳理） 1. 情态动词must的用法：must是情态动词，无人称和数的变化，后接动词原形；①表“必须”，说明强制性规则；②否定形式mustn't表“禁止、绝对不能”，语气强于shouldn't，用于警示危险行为；③变一般疑问句时将must提前到句首。 2. 祈使句（安全规则表达）：用于表达命令、提示、规则，省略主语you：①肯定祈使句以动词原形开头；②否定祈使句以Don't+动词原形开头。 3. 固定场景搭配：过马路场景：cross the road、look for a zebra crossing、look at traffic lights、wait for the green man、look out for cars；校园/公共场景：queue up、don't push、don't litter、don't play with sharp things。 （二）练语法（30分） 1. 单项选择（每题1.5分，共15分） （ ）1. You ______ play with fire. It's very dangerous. A. must B. mustn't C. can （ ）2. We must ______ when we cross the road. A. run quickly B. look at the traffic lights C. play with phones （ ）3. ______ run in the classroom. You may knock over your classmates. A. Don't B. Not C. Mustn't （ ）4. —Must I stop when the light is red? —______ A. Yes, you can. B. Yes, you must. C. No, you mustn't. （ ）5. When you get on the bus, you must ______. A. push others B. run quickly C. queue up （ ）6. You ______ look out for cars before you cross the road. A. must B. mustn't C. can't （ ）7. ______! A bike is coming towards you. A. Look out B. Look for C. Look after （ ）8. We mustn't ______ in the library. We should keep quiet. A. read books B. talk loudly C. queue up （ ）9. ______ play with the sharp knife. You may cut your finger. A. Not B. Don't C. Do （ ）10. 下列规则表达错误的一项是： A. We mustn't play on the road. B. Don't push others on the stairs. C. We can cross the road when the light is red. 2. 句型转换（每题2分，共10分） （1）We must follow the traffic rules.（改为否定句） （2）We must wait for the green light.（对划线部分提问） （3）You must look out for cars.（改为一般疑问句） （4）Don't run on the road.（改为mustn't形式的同义句） （5）Must we queue up when we get on the bus?（作肯定回答） 3. 短文选词填空（每题1分，共5分） A. mustn't B. crossing C. safe D. must E. rules Road safety is very important. When we walk on the road, we must remember the traffic 1. ______. To cross the road 2. ______, we 3. ______ look for a zebra 4. ______ first, then look at the traffic lights and wait for the green man. We 5. ______ run or play on the road. We should always be careful. 1.____ 2.____ 3.____ 4.____ 5.____ Unit4参考答案 词汇部分 1. 英汉互译：（1）safety （2）cross （3）must （4）wait （5）rule （6）马路 （7）推 （8）交通灯 （9）斑马线 （10）当心 2. 选词填空：1.A 2.A 3.B 4.B 5.A 6.B 7.B 8.A 9.B 10.A 句子部分 1. 英汉互译：（1）Safety first. （2）We must follow the traffic rules. （3）You mustn't play on the road. （4）Wait for the green light before crossing the road. （5）Look out for cars. （6）我们怎样才能安全过马路？（7）你禁止在楼梯上跑。（8）我们在公共场合应该排队。（9）不要玩锋利的东西。（10）我们必须找斑马线。 2. 情景选择：1.B 2.A 3.B 4.B 5.A 3. 连词成句：（1）We must follow traffic rules. （2）You mustn't play on the road. （3）We must wait for the green light. （4）Look for a zebra crossing when you cross the road. （5）Remember safety first. 语法部分 1. 单项选择：1.B 2.B 3.A 4.B 5.C 6.A 7.A 8.B 9.B 10.C 2. 句型转换：（1）We mustn't follow the traffic rules. （2）What must we do? （3）Must I look out for cars? （4）You mustn't run on the road. （5）Yes, you must. 3. 短文填空：1.E 2.C 3.D 4.B 5.A 学科网（北京）股份有限公司 $