内容正文:
Unit 2 Safety
⭐Lesson1知识点清单
一、核心话题
本课围绕日常安全(居家、校园、公共场合)展开,学习不同场景下的安全规则、情态动词must/mustn’t与have to/don’t have to的用法,以及安全建议的表达。
二、不同场景安全规则(Dos & Don’ts)
1. At home(居家安全)
Dos(应该做)
Don’ts/Mustn’t(禁止 / 不应该做)
keep the floor dry (especially kitchen & bathroom)
charge your phone day and night
use electricity wisely
use fire safely in the kitchen
use knives carefully
2. At school(校园安全)
Dos(应该做)
Don’ts/Mustn’t(禁止 / 不应该做)
in PE lessons: follow teachers’ instructions & exercise safely
run in the corridors
in the science lab: know how to use the equipment correctly
push people
bring dangerous things (e.g. knives) to school
3. In other public places(公共场合安全)
Dos(应该做)
Don’ts/Mustn’t(禁止 / 不应该做)
take good care of personal belongings (e.g. phone, wallet)
wear headphones when walking/riding a bike on the street
stay on paths in forests & mountains
swim in lakes or rivers
三、核心词汇与短语
单词 / 短语
释义
例句
follow
v. 遵守;遵循
We must follow teachers’ instructions in PE lessons.
take good care of
phr. 好好照看
You should take good care of your personal belongings.
stay safe
phr. 保持安全
We must be careful and stay safe in daily life.
save
v. 拯救;避免
Small actions can save us from big problems.
stay on paths
phr. 走在小路上
We should stay on paths in forests and mountains.
use fire and knives
phr. 安全使用火和刀具
We should use fire and knives safely when cooking.
四、语法重点:Must/mustn’t & have to/don’t have to
1. 含义匹配
· must = it’s necessary to...(必须,义务)
· mustn’t = it’s against the rules to...(禁止,不准)
· have to = it’s necessary to...(必须,客观要求)
· don’t have to = it isn’t necessary to...(不必,没有必要)
2. 用法总结
功能
情态动词
例句
表达义务 / 必须
must / have to
You must use fire safely.
You have to use the lab equipment correctly.
表达禁止
mustn’t
You mustn’t run in the corridors.
表达不必
don’t have to
You don’t have to wear a uniform for the show.
⭐Topic talk同步练
一、用所给词 / 短语的适当形式填空(10 题)
1. We must be careful and __________ (stay safe) in our daily lives.
2. At home, we should __________ (use fire and knives) safely when cooking.
3. It’s important for students __________ (follow) the school safety rules.
4. We need __________ (take good care of) our personal belongings like phones and wallets.
5. When we are in forests and mountains, we must __________ (stay on paths).
6. Small good actions can __________ (save) us from big safety problems.
7. You __________ (not must) run in the corridors or push other students.
8. In the science lab, we have to __________ (know) how to use the equipment correctly.
9. Teenagers shouldn’t __________ (charge) their phones day and night at home.
10. We mustn’t __________ (swim) in lakes or rivers alone.
二、单项选择题(10 题)
1. We must be careful and __________ in public places.
A. stay safe B. stays safe C. stayed safe D. staying safe
2. At home, you should __________ fire and knives carefully when cooking.
A. use B. using C. used D. to use
3. Students must __________ the teachers’ instructions in PE lessons.
A. follow B. follows C. followed D. following
4. It’s important to __________ your personal belongings like your phone.
A. take good care of B. take good care
C. take care good of D. take good care for
5. When you are in the mountains, you must __________ to keep safe.
A. stay on paths B. stay in paths
C. stay at paths D. stay on path
6. These small actions can __________ us from dangerous accidents.
A. save B. saves C. saved D. saving
7. You __________ run in the school corridors; it’s very dangerous.
A. mustn’t B. must C. have to D. don’t have to
8. In the science lab, we __________ know how to use the equipment correctly.
A. have to B. don’t have to C. mustn’t D. can’t
9. —Must I charge my phone all day and night?
—No, you __________. It’s bad for the battery.
A. don’t have to B. mustn’t C. have to D. must
10. Which of the following is a safe behavior?
A. Wear headphones when crossing the street.
B. Take good care of your wallet in public.
C. Push others in the school corridors.
D. Swim in a small river alone.
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