《How-safe-is-your-home》Safety-优质教学公开课件.pptx
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1、How Safe Is Your Home?Lesson 16 SafetyUnit 3课文课文呈现呈现知识知识讲解讲解Lesson 16 How Safe Is Your Home?课课堂堂导导入入课课文文1 1课课堂堂小小结结课课后后作作业业课课堂堂练练习习词词汇汇听听写写 同学们,上一课学习的单词你们都掌握了吗?现在同学们,上一课学习的单词你们都掌握了吗?现在大家来检验一下,点击下面的音频开始听写吧!大家来检验一下,点击下面的音频开始听写吧!THINK ABOUT ITWhat place makes you feel the most comfortable?Do you think
2、your home is a safe place?Why or why not?Your home is a safe place,right?Think again!Many serious accidents happen in peoples homes.The kitchen and the bathroom are the two most dangerous rooms in the house.Why?Because most accidents happen in the kitchen and the bathroom.Can people prevent certain
3、accidents?Yes.Many accidents happen because people are careless.So be careful!Safety tips for preventing accidents in the kitchen Dont stand on chairs.Many people hurt themselves by falling off chairs.Dont use water to put out kitchen fires.Use baking soda or salt instead.Be careful with scissors an
4、d knives!Many people cut themselves in the kitchen.Dont keep poisons in the kitchen.Be careful with fire and heat when you cook.You dont want to burn yourself.Some things catch fire easily.Dont put them near the stove!Safety tips for preventing accidents in the bathroomNever use electricity in the s
5、hower or bathtub.It can hurt you!Its easy to slip and fall on a wet floor.Be sure to keep the bathroom floor dry after you have a shower or bath.Accidents happen suddenly.Never leave small children alone in a bathtub.讲解来自讲解来自点拨点拨知识点知识点1 1 prevent/prvent/v.阻止;预防阻止;预防eg:Nobody can prevent you from doi
6、ng that.没有人能阻止你做那件事。考向考向prevent sb./sth.(from)doing sth.阻止某人阻止某人/某某物做某事,相当于物做某事,相当于“stop sb./sth.(from)doing sth.或或keep sb./sth.(from)doing sth.”。eg:Nothing can prevent/stop/keep us(from)reaching our aims.什么也阻止不了我们达到我们的目标。讲解来自讲解来自点拨点拨知识点知识点2 2by动词的动词的ing形式通过形式通过这种结构在句中作方式状语。表示方法、手这种结构在句中作方式状语。表示方法、手
7、段、原因。段、原因。eg:Tom learns English by listening to tapes.汤姆通过听磁带学英语。考向考向典例典例【点拨点拨】“by动词的动词的ing形式形式”,表示,表示“通过通过”。How do you communicate with your foreign friends?_ writing emails,of course.AWith BBy CAt DFromB讲解来自讲解来自点拨点拨讲解来自讲解来自点拨点拨知识点知识点3 3fall off 从从跌落,从跌落,从摔下来,脱落摔下来,脱落 off可作介词,也可作副词,即可作介词,也可作副词,即 of
8、f后后可跟宾语,也可不跟宾语。可跟宾语,也可不跟宾语。eg:He fell off his bike yesterday.昨天他从自行车上摔下来了。The button fell off.纽扣掉下来了。考向一考向一【重点重点】常见的fall 的短语:fall asleep 入睡;fall down 不足,不够好;fall ill 生病;fall over 倒下,摔倒;fall behind 落在后面;fall in love with 爱上讲解来自讲解来自点拨点拨拓展拓展讲解来自讲解来自点拨点拨知识点知识点4 4put out 扑灭;熄灭扑灭;熄灭eg:She puts out all the
9、 lights before going to bed.她上床睡觉前关掉了全部的灯。拓展拓展与put有关的短语:put away 把收起来eg:The teacher asked the students to put away their books.老师让学生们把他们的书收起来。put down 记下eg:Make sure that you put down every word she says.确保你记下她说的每一个词。put on 穿上;戴上eg:The man put on his coat and went out.那个人穿上他的外套,然后出去了。put off 推迟eg:Th
10、e game was put off because of rain.比赛因下雨而延期。put up 张贴;举起eg:He put up his hand to ask a question.他举起他的手来问问题。讲解来自讲解来自点拨点拨讲解来自讲解来自点拨点拨典例典例【点拨点拨】本题用本题用正确运用语境法正确运用语境法。take off“脱掉,起飞脱掉,起飞”;get off“下车下车”;put off“推迟推迟”;set off“出发出发”。由句意。由句意“因为天气不好,我们不得不把会议推迟到下周。因为天气不好,我们不得不把会议推迟到下周。”可知,可知,put off符合题意。符合题意。B
11、ecause of the bad weather,we have to _ the meeting till next week.(山东烟台)Atake off Bget off Cput off Dset offC讲解来自讲解来自点拨点拨知识点知识点5 5instead/nsted/adv.顶替,代替顶替,代替eg:If you cant go,let him go instead.如果你不能去,让他替你去。考向考向【难点难点】instead是副词,可用于句首或句末,在句中作状语。I dont like singing.I like dancing instead.我不喜欢唱歌,而我喜欢跳
12、舞。instead与与instead of的区别:的区别:Weve got no coffee.Lets have tea _AeitherBhoweverCyetDinstead讲解来自讲解来自点拨点拨instead of是介词短语,后接名词、代词、动名词或介词短语,一般位于句中。意为“代替,而不是”。You should be out playing instead of working indoors.你应该到外边去玩,而不是呆在屋里工作。典例典例【点拨点拨】句意为:我们没有咖啡了。咱们喝茶代替吧。句意为:我们没有咖啡了。咱们喝茶代替吧。instead“代替代替”。故选。故选D。D讲解来
13、自讲解来自点拨点拨知识点知识点6 6be sure 的用法:的用法:be sure to do sth.表示说话人对主语表示说话人对主语的判断,认为句子主语的判断,认为句子主语“必定做某事,必定做某事,必必然会做某事,准会做某事然会做某事,准会做某事”。eg:He is sure to know about it.他一定知道这件事。考向一考向一【重点重点】魔法魔法记忆记忆讲解来自讲解来自点拨点拨温馨提示:be sure to do 用在祈使句中,不是表用在祈使句中,不是表示判断,而是表示对对方的要求,意为:示判断,而是表示对对方的要求,意为:“务务必要做必要做,一定要做,一定要做”。eg:Be
14、 sure to take the message to her.一定要把口信捎给她。考向二考向二 be sure of/about sth./doing sth.意为意为“确信确信(做做)某事,对某事,对(做做)某事有把握某事有把握”。但是。但是be sure of 侧侧重指对抽象的事物确信无疑;而重指对抽象的事物确信无疑;而be sure about 侧重指主语对具体的事物确信无疑。侧重指主语对具体的事物确信无疑。eg:He is sure of success.他确信会成功。温馨提示:后面跟反身代词,只可用后面跟反身代词,只可用be sure of oneself“有自信心有自信心”。考
15、向三考向三讲解来自讲解来自点拨点拨be sure 宾语从句。表示主句主语对宾语从宾语从句。表示主句主语对宾语从句中涉及的事物的判断,意为句中涉及的事物的判断,意为“确信确信”。eg:Im not sure whether Ive met him before.我不确定我以前是否见过他。魔法魔法记忆记忆讲解来自讲解来自点拨点拨典例典例_come back home before 7:00 p.m.or Mother will worry about you.ADont be sure to BBe sure to CNever be sure to DTo be sure【点拨点拨】考查考查be
16、 sure。句意为:务必在下午。句意为:务必在下午7点前回家,点前回家,否则母亲会担心你的。否则母亲会担心你的。A.一定不要;一定不要;B.务必要;务必要;C.绝对不绝对不要;要;D项语法错误。结合句意,综合分析可知,选项项语法错误。结合句意,综合分析可知,选项B正确。正确。B讲解来自讲解来自点拨点拨知识点知识点7 7 leave sb./sth.alone让某人让某人/某物独自呆着某物独自呆着考向一考向一eg:Dont leave the boy alone at home.不要把那个男孩独自留在家里。leave 用法小结:用法小结:leave for某地“离开去某地”。eg:Tommy l
17、eft for Beijing yesterday.汤米昨天去北京了。魔法魔法记忆记忆讲解来自讲解来自点拨点拨leave sb./sth.alone“让某人/某物独自呆着”。eg:Dont leave her alone.别让她独自呆着。leave sth.某地“把某物遗留在某地”。eg:Ive left my gloves on the bus.我把我的手套落在公交车上了。leave的过去分词为left,可作定语。eg:We have five minutes left,so we must go now.我们还剩五分钟,所以我们必须现在走。讲解来自讲解来自点拨点拨leave指“把某物遗忘在
18、某地”,常与地点状语连用。He left his bag on the bus.他把他的包落在公交车上了。forget指“遗忘某物”,不与地点状语连用。I forgot my umbrella.我忘了我的雨伞。考向二考向二辨析辨析leave与与forget讲解来自讲解来自点拨点拨魔法魔法记忆记忆Sorry,Mr.Green.I have _ my homework at home.Never mind.But dont forget next time.(山东济宁)AputBkeptCleft Dremained典例典例【点拨点拨】put“放放”;keep“保留保留”;leave“忘了带忘了带
19、”;remain“保留保留”。根据句意可知选。根据句意可知选C。CSafety tips for preventing accidents in the kitchenDosDonts1)Read the lesson and complete the table.Dont stand on chairs.Dont use water to put out kitchen fires.Dont keep poisons in the kitchen.Dont put the things that are easy to catch fire near the stove.Be careful
20、 with scissors and knives!Be careful with fire and heat when you cook.Lets Do It!Lets Do It!讲解来自讲解来自点拨点拨Safety tips for preventing accidents in the bathroomDosDontsNever use electricity in the shower or bathtub.Never leave small children alone in a bathtub.Be sure to keep the bathroom floor dry afte
21、r you have a shower or bath.2)Fill in the blanks with the correct forms of the words from the lesson.The first letter is given.1.Tom wont drive to Beijing.Hell take a bus i 2.We should eat less s to prevent heart disease.3.Take the k away.The little boy may cut himself.4.A hot coal fell out the fire
22、 and b the shoes.5.Grandma likes to sit in the sun.She enjoys the h of the sun.urnt/urned altnstead nife eatLets Do It!Lets Do It!3)Read the passage and fill in the blanks with the words in the box.Be Careful!Here are some of the most common accidents that happen at home:ScaldingHot water or drinks
23、can scald you badly.Be careful when you smell your coffee and want to drink it right away!Scalding Cuts Falls BurnsLets Do It!Lets Do It!_Every year,quite a lot of children fall and hurt themselves.They fall off furniture or down the stairs.Climbing trees,high walls or fences can be dangerous,too._M
24、any people are badly burnt or even die in house fires.A cigarette can easily start a fire.People can be burnt by a hot iron or matches._Glass causes the most serious cuts.So do knives and scissors.These things should be kept away from children.Falls BurnsCuts4)Make a poster.What should you do to sta
25、y safe at home?Give more tips for home safety.Example:Be careful with hot water.Dont climb trees or high walls.Be careful with hot water.Dont climb trees or high walls.Never play with fire.Be careful with scissors and knives.Be careful with the electricity.Lets Do It!Lets Do It!一、根据句意和首字母提示完成单词一、根据句
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