资源简介

(共35张PPT)
Lesson 5
Unit 2 Safety
1 Read the passage and complete the table.
Many serious accidents happen in people’s
homes. The kitchen and the bathroom are the two most dangerous places in the house.
Can people prevent certain accidents Yes. Many accidents happen because people are careless. So be careful!
the + 形容词最高级
Safety tips in the kitchen
· Be careful with fire and boiling water when you cook.
· Have fire blankets, fire extinguishers, smoke alarms, and flashlights near the kitchen.
when 引导的时间状语从句，此处用一般现在时表将来。
思考：What other compound nouns are similar to fire blankets and fire extinguishers (答案不唯一)
fire alarms, fire hoses, fire escapes, safety helmets, life jackets
· Always turn off the oven or stove after use. In case of a gas leak, do not use a cell phone or any electric item. Immediately turn off the stove and quickly open a window. Move to a safe area to inform emergency services and the gas company.
In case of + 名词短语，放句首，在句中作条件状语。
不定式表目的
Some things catch fire easily. Don’t put them near the stove!
Safety tips in the bathroom
· Never use electricity in the shower or bathtub. It can shock you!
· Be sure to keep the bathroom floor dry after you take a shower or bath. It’s easy to slip and fall on a wet floor.
· Turn on the cold water first when taking a bath.
slip 滑倒
slide 滑动
Then adjust the hot water to ensure a safe water temperature. Hot water can burn you.
Accidents happen suddenly. Never leave small children alone in a bathtub.
Home safety focuses on preventing accidents and reacting well to dangers in order to protect the safety of the family.
leave sb. alone让某人独处
Safety tips in the kitchen Dos Don’ts
Be careful with fire and boiling water when you cook. Have fire blankets, fire extinguishers, smoke alarms, and flashlights near the kitchen. Always turn off the oven or stove after use. In case of a gas leak, immediately turn off the stove, quickly open a window, and move to a safe area to inform emergency services and the gas company.
In case of a gas leak, don’t use a cell phone
or any electric item. Don’t put things that catch fire easily near the stove.
Safety tips in the bathroom Dos Don’ts
Be sure to keep the bathroom floor dry after taking a shower or bath. Turn on the cold water first when taking a bath. Then adjust the hot water to ensure a safe water temperature.
Never use electricity in the shower or bathtub. Never leave small children alone in a bathtub.
2 Work in pairs. What should you do to stay safe at home Tick the correct choices and give more tips on home safety.
□ play games while cooking
□ be careful with hot water
□ call for help in the kitchen when there is a gas leak
□ turn off a gas stove when it is not in use
□ turn on power switches with wet hands
√
√
More home safety tips: _____________________________________
________________________________________________________
Don’t run in the house to avoid falling;
Keep stairs clear of clutter to prevent tripping.(答案不唯一)
3 What should you do or not do to stay safe in different places Discuss with your partner.
·on the way to school
·in the classroom
·on the playground
·in the lift
on the way to +名词，在去……的路上
4 Make a safety poster with your group members.
A Choose a theme. It can be, for example, on a bus, in a fitness centre, or in a lab. What kind of dangers could occur there
B Search for more safety information online and share it with the group. How can you protect yourself from those dangers
C Write down the safety tips and make your poster look nice.
5 Make an exhibition and present your poster to the class.
1 bathroom /'bɑ θru m/ n. 浴室；卫生间(教材P24)
· She decorated the bathroom with nice towels and plants.
她用漂亮的毛巾和植物装饰了浴室。
· She went to the bathroom and washed her hands.
她去洗手间洗了手。
bathroom 作名词，意为“浴室；卫生间”。
go to the bathroom 去洗手间(上厕所)
探究一 核心单词
2 certain /'s tn/ adj. 某事，某人；肯定的 pron. 某些，一些，若干 (教材P24)
· It is certain that we will have a test next week.
下周我们会有一场考试，这是肯定的。
· Spring is certain to come after winter.
冬天过后一定会迎来春天。
· Lisa is certain about the answer to this question.
莉萨对这个问题的答案很有把握。
· I am certain that my dad will buy me a new bike on my birthday.
我确信爸爸会在我生日那天给我买一辆新自行车
· A certain boy in our class can play the piano very well.
我们班某个男生钢琴弹得特别好。
· —Will you come to my party 你会来我的派对吗？
—Certainly! I’ll be there on time.当然！我会准时到的。
certain 的一词多义：
(1) adj. 确定的；肯定的。常见用法：It is certain + (that) 从句 ……是肯定的；(be) certain to do sth. 一定会做某事
(2) adj. 确信的；有把握的。常见用法：(be) certain about/of sth. 对某事有把握；(be) certain+(that) /wh- 从句确信……
(3) pron. 某些；若干
相关词形：certainly adv. 必然；肯定；当然；没问题
3 boil /b l/ v. 煮沸, 烧开(教材P24)
· When the soup boils, we can add some vegetables.
汤沸腾的时候，我们可以加些蔬菜。
· My mom is boiling eggs for breakfast. 我的妈妈正在煮鸡蛋当早餐。
· Bring the soup to the boil, then allow it to simmer for five minutes.
把汤煮开，然后文火煮五分钟。
· It’s boiling outside. Let’s stay indoors. 外面太热了。我们待在屋里吧。
· I prefer boiled potatoes to fried ones. 比起炸土豆，我更喜欢煮土豆。
boil 的一词多义：
(1) v.(液体) 沸腾；煮沸(液体) ；煮(食物) 。
(2) n. 沸腾；沸点。
相关词形：
(1) boiling adj. 极热的
(2) boiled adj. 煮沸的；煮熟的(常修饰食物)
4 smoke /sm k/ n. 烟；吸烟 v. 吸(烟) ；冒烟(教材P24)
· The factory’s smoke is bad for the air. 工厂的烟对空气有害。
· My mom told me never to smoke. 我妈妈告诉我绝不能吸烟。
· His grandfather smokes one cigarette after dinner every day.
他爷爷每天晚饭后抽一支烟。
· Look! The old truck is smoking under the hood.
看！那辆旧卡车的引擎盖下面在冒烟。
smoke 的一词多义：
(1) n. 烟；香烟；抽烟
(2) v. 吸(烟) ；冒烟
相关词形：smoker n. 吸烟者
联想串记：
The fire caused a lot of smoke, and the forest was smoking for days after the fire was put out.
火灾产生了大量烟雾，火被扑灭后，森林还冒了几天烟。
5 electric / 'lektr k/ adj. 电的；用电的(教材P24)
· He uses an electric toothbrush to clean his teeth.
他用电动牙刷刷牙。
· We can’t live without electricity today.
现在我们的生活离不开电。
electric adj. 电的；用电的；电动的；发电的。
相关词形：electricity n. 电；电力
辨析：electric 与electrical
词形 含义 例词
electric 强调“直接用电工作的”，搭配具体物品 an electric car 电动汽车、an electric guitar电吉他
electrical 强调“与电相关的、电气的”，搭配抽象概念或系统 electrical engineering 电气工程、electrical problems 电路问题
6 company /'k mp ni/ n. 公司；陪伴(教材P24)
· My uncle started his own company last year.
我叔叔去年开了自己的公司。
· I enjoy my dog’s company when I’m alone.
我一个人的时候，很喜欢狗狗的陪伴。
· She’s shy in company and rarely speaks.
她在众人面前很害羞，很少说话。
· He likes to keep company with people who love reading.
他喜欢和爱读书的人交往。
company 的一词多义：(1) 公司；企业(2) 陪伴；做伴。
常用短语：
(1) in company 在别人面前；当着众人的面
(2) keep company with 与……交往；与……为伍
7 danger /'de nd (r) / n. 危险；风险(教材P24)
· He didn’t realise the danger until it was too late.
他直到为时已晚才意识到危险。
· The animal is in danger and needs our protection.
这个动物处于危险中，需要我们的保护。
· The patient is out of danger now. 病人现在已经脱离危险。
· Climbing such tall trees is dangerous. 爬如此高的树很危险。
danger 作名词，意为“危险；风险”。
in danger 处于危险中
out of danger 脱离危险
形容词dangerous，意为“危险的”。
1 be careful with... 小心……；当心……(教材P24)
· She told her brother to be careful with hot water.
她告诉弟弟小心热水。
· Be careful of the broken glass on the ground. 小心地上的碎玻璃。
· She always reminds me to be careful about what I eat.
她总是提醒我注意饮食。
· He is careful to check his homework for mistakes.
他很小心地检查作业中的错误。
探究二 核心短语
be careful with/of... 意为“小心……；当心……”，后接名词或代词。
be careful about... 意为“注意；慎重”，后接名词或代词。
be careful to do sth. 意为“仔细做某事”。
2 turn off 关闭(教材P24)
· My mom asked me to turn off the computer after I finished my report. 做完报告后，我妈妈让我关掉电脑。
· Turn on the light, please. 请开灯。
· The music is too low. Can you turn up the radio a bit
音乐声音太小了，你能把收音机音量调高一点吗？
· Could you turn down the volume of the TV It’s a bit loud.
你能把电视音量调低一点吗？有点吵。
turn off 意为“关掉”，反义短语为turn on，意为“打开”。turn 的常用短语还有：
(1) turn up 调大(声音) ，反义短语 turn down 调小(声音) 。turn down 还表示“拒绝”。
(2) turn left 向左转
(3) turn right 向右转
It’s easy to slip and fall on a wet floor.
在潮湿的地板上很容易滑倒。(教材P24)
分析结构: 这是一个简单句。It 作形式主语，谓语是is，形容词easy 作表语，动词不定式to slip and fall on a wet floor 作真正的主语，表示具体的行为。其中on a wet floor 作地点状语。
探究三 核心句式
· It’s nice to meet new friends at school.
在学校认识新朋友是很好的。
· It’s fun to play games with friends on weekends.
周末和朋友玩游戏很有趣。
It’s + 形容词+ to do sth. 意为“做某事是……的”，其中It 作形式主语，代替后面的动词不定式to do sth.，形容词用来描述一个动作或行为的性质。

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