Unit 8 Section B（1a-1d)知识总结与练习 2025-2026学年人教版八年级英语下册

该初中英语知识清单围绕救援与安全主题，系统梳理了人教版八下Unit 8 Section B（1a-1d）的重点短语与核心语言点。先呈现22个主题短语，涵盖急救、团队合作等实用表达，再聚焦6个关键语言点，如hear sb./sth. doing、the key to等句型，为语言运用搭建从积累到应用的学习支架。 知识链路按“短语积累—语言点解析—分层练习”逻辑展开，体现学科特色学习方法。练习题分A层基础巩固（英汉互译、短语填空）和B层能力提升（单选、句型转换），助力学生逐步提升语言能力。通过情境化语言点和阶梯式练习，培养学生的思维品质与学习能力，适合课堂巩固与自主学习。

人教版八下英语Unit 8 Section B（1a-1d）知识总结与练习 一．重点短语 make a difference 有影响；起作用 start/begin with 以……开头 hiking in the mountains 在山里徒步 get a bad head injury 头部受重伤 call an emergency number 拨打急救电话 hear dogs barking 听见狗叫（hear sb./sth. doing 听见……正在做） sign up with 报名加入 ever since 自从；从那以后 prepare for the worst 做好最坏的打算 during emergencies 在紧急情况下 provide medical aid 提供医疗救助 search for missing people 搜寻失踪人员 natural disasters 自然灾害 practical life-saving skills 实用的救生技能 the power of teamwork 团队合作的力量 the key to ……的关键 the value of every life 每条生命的价值 go without food or sleep 不吃不睡 primary goal 首要目标 rush into danger 冲向危险 loved ones 亲人；挚爱之人 be worth it 值得 二．语言点 1. hear sb./sth. doing sth. 听见某物/某人正在做某事 e.g. We heard dogs barking. 2. teach sb. how to do sth. 教某人如何做某事 teach children how to stay safe 3. the key to + 名词 ……的关键（to是介词，后接名词/动名词） the key to successful rescues 4. It’s + 形容词 + to do sth. 做某事是…… e.g. It’s difficult to work as a volunteer. 5. make sb./sth. + 形容词 使……变得…… e.g.That makes everything worth it. 6. 提建议/号召句型（call to action 行动呼吁） Will you join us…? Together we can… 三．分层课堂练习题 A层：基础巩固 （一）、英汉互译 1. make a difference ____________ 2. 报名加入 ____________ 3. natural disasters ____________ 4. 团队合作的力量 ____________ 5. rush into danger ____________ 6. 拨打急救电话 ____________ 7. life-saving skills ____________ 8. 搜寻失踪人员 ____________ （二）、用方框内短语的正确形式填空 make a difference, sign up with, prepare for, search for, provide medical aid 1. My uncle ____________ Blue Sky Rescue five years ago. 2. We should learn to ____________ the worst when danger comes. 3. Doctors and nurses ____________ to people in floods every year. 4. If everyone helps others, we can ____________ together. 5. The volunteers went to the mountain to ____________ the lost hiker. B层：能力提升 一、单项选择 ( )1. I ________ a volunteer ever since 2019. A. am B. was C. have been D. will be ( )2. We heard the girl ________ for help when we passed by. A. cry B. crying C. to cry D. cried ( )3. Teamwork is the key ________ a successful rescue. A. to B. of C. for D. with ( )4. It’s hard ________ without sleep for two days during rescue work. A. work B. to work C. working D. works ( )5. The story began ________ a heavy rain in the mountains. A. for B. with C. at D. on 二、句型转换（按要求改写句子） 1. I signed up with Blue Sky Rescue in 2009.（用ever since 2009改写，现在完成时） I ________ ________ a volunteer ever since 2009. 2. They heard dogs barking in the dark.（改为一般疑问句） ________ they ________ dogs barking in the dark? 3. Working as a volunteer teaches me the value of life.（改为it作形式主语） ________ ________ me the value of life to work as a volunteer. 三、参考答案 A层答案 一、英汉互译 1. 有影响，起作用 2. sign up with 3. 自然灾害 4. the power of teamwork 5. 冲向危险 6. call an emergency number 7. 救生技能 8. search for missing people 二、短语填空 1. signed up with 2. prepare for 3. provide medical aid 4. make a difference 5. search for B层答案 一、单选 1.C 2.B 3.A 4.B 5.B 二、句型转换 1. have been 2. Did; hear 3. It teaches 学科网（北京）股份有限公司 $