课件38张PPT。 How Safe Is Your Home?Lesson 16 SafetyUnit 3课文呈现知识讲解…………Lesson 16 How Safe Is Your Home?课堂导入课文1课堂小结课后作业…课堂练习词汇听写 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！THINK ABOUT IT
·What place makes you feel the most comfortable?
·Do you think your home is a safe place？Why or why not? Your home is a safe place，right?
Think again!
Many serious accidents happen in people's 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 accidents? Yes. Many accidents happen because people are careless. So be careful!
Safety tips for preventing accidents in the kitchen
·Don't stand on chairs.Many people hurt themselves by? falling off ? chairs.
·Don't use water to put out? kitchen fires. Use baking soda or salt instead? .
·Be careful with scissors and knives! Many people cut themselves in the kitchen.·Don't keep poisons in the kitchen.
·Be careful with fire and heat when you cook. You don't want to burn yourself.Some things catch fire easily.
Don't put them near the stove!Safety tips for preventing accidents in the bathroom
·Never use electricity in the shower or bathtub. It can hurt you!
·It's 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.知识点1 prevent/pr?'vent/v.阻止；预防eg：Nobody can prevent you from doing that.
没有人能阻止你做那件事。考向prevent sb./sth.(from) doing sth.阻止某人/某物做某事，相当于“stop sb./sth.(from) doing sth.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。知识点2by＋动词的-ing形式 通过……这种结构在句中作方式状语。表示方法、手段、原因。
eg：Tom learns English by listening to tapes. 汤姆通过听磁带学英语。考向典例【点拨】 “by＋动词的-ing形式”，表示“通过……”。—How do you communicate with your foreign friends?
—________ writing emails, of course.
A．With B．By
C．At D．FromB知识点3fall off 从……跌落，从……摔下来，脱落 off可作介词，也可作副词，即 off后可跟宾语，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【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……拓展知识点4put out 扑灭；熄灭eg：She puts out all the lights before going to bed.
她上床睡觉前关掉了全部的灯。 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：The 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。典例【点拨】本题用正确运用语境法。take off“脱掉，起飞”；get off“下车”；put off“推迟”；set off“出发”。由句意“因为天气不好，我们不得不把会议推迟到下周。”可知，put off符合题意。Because of the bad weather, we have to ________ the meeting till next week.(山东烟台)
A．take off B．get off
C．put off D．set offC知识点5instead/?n'sted/adv. 顶替，代替eg：If you can't go, let him go instead.
如果你不能去，让他替你去。考向【难点】instead与instead of的区别：We've got no coffee. Let's have tea ________．
A．either B．however C．yet D．instead典例【点拨】句意为：我们没有咖啡了。咱们喝茶代替吧。instead“代替”。故选D。D知识点6be sure 的用法： be sure to do sth.表示说话人对主语的判断，认为句子主语“必定做某事， 必然会做某事，准会做某事”。
eg：He is sure to know about it.
他一定知道这件事。考向一【重点】魔法记忆温馨提示：be sure to do 用在祈使句中，不是表示判断，而是表示对对方的要求，意为：“务必要做……，一定要做……”。
eg：Be sure to take the message to her.
一定要把口信捎给她。 考向二 be sure of / about sth./ doing sth.意为“确信(做)某事，对(做)某事有把握”。但是be sure of 侧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。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be sure of oneself “有自信心”。考向三be sure ＋ 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“确信……”。
eg：I'm not sure whether I've met him before.
我不确定我以前是否见过他。魔法记忆典例________come back home before 7：00 p.m. or Mother will worry about you.
A．Don't be sure to B．Be sure to
C．Never be sure to D．To be sure 【点拨】考查be sure。句意为：务必在下午7点前回家，否则母亲会担心你的。A.一定不要；B.务必要；C.绝对不要；D项语法错误。结合句意，综合分析可知，选项B正确。B知识点7leave sb./sth. alone让某人/某物独自呆着考向一eg：Don't leave the boy alone at home.
不要把那个男孩独自留在家里。leave 用法小结：
①leave for＋某地“离开去某地”。
eg：Tommy left for Beijing yesterday.
汤米昨天去北京了。魔法记忆②leave sb./sth.alone“让某人/某物独自呆着”。
eg：Don't leave her alone.
别让她独自呆着。
③leave sth.＋某地“把某物遗留在某地”。
eg：I've left my gloves on the bus.
我把我的手套落在公交车上了。
④leave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。考向二辨析leave与forget魔法记忆—Sorry，Mr. Green. I have ________ my homework at home.
—Never mind. But don't forget next time.(山东济宁)
A．put B．kept
C．left D．remained典例【点拨】 put“放”；keep“保留”；leave“忘了带”；remain“保留”。根据句意可知选C。C1)Read the lesson and complete the table.·Don't stand on chairs.
·Don't use water to put out kitchen fires.
·Don't keep poisons in the kitchen.
·Don't put the things that are easy to catch fire near the stove.·Be careful with scissors and knives!
·Be careful with fire and heat when you cook.Let's Do It !·Never use electricity in the shower or bathtub.
·Never leave small children alone in a bathtub.·Be sure to keep the bathroom floor dry after 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 won't drive to Beijing. He'll 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 and b the shoes.
5.Grandma likes to sit in the sun. She enjoys the h of the sun. urnt/urned altnstead nife eatLet's 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：
Scalding—Hot water or drinks can scald you badly. Be careful when you smell your coffee and want to drink it right away!Scalding Cuts Falls BurnsLet's 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.
________—Many 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 stay safe
at home？Give more tips for home safety.Example：
Be careful with hot water. Don't climb trees or high walls. Be careful with hot water.
Don't climb trees or high walls.
Never play with fire.
Be careful with scissors and knives.
Be careful with the electricity. Let's Do It ! 本节课主要学习了以下重点内容:
（1）重点单词：prevent, instead等。
（2）重点短语：by doing…, full of…, put
out, be sure, leave sb./sth. alone等。一、根据句意和首字母提示完成单词
1．We can only do c things with special persons.
2．The h of the sun can provide people with energy.
3．The house is on fire. Something is b ．
4．Never eat too much s ，or it is easy to cause high blood pressure.
5．Don't let the children play with a k ．They may hurt t ．
ertain eaturningalt nife hemselves 二、单项选择
6．He is too young. We shouldn't leave him ________ at home. A．alone B．lonely C．one D．lone
7．Our teacher always asks us to keep our classroom ________.
A．cleans B．clean C．cleaning D．to clean
8．“Can you ________ the new words to express your thought？”“Yes, I can.”
A．have B．use C．make D．letA B B9． He was ill yesterday，so he stayed at home ________.
A．also B．instead C．instead of D．still
10．Do you know that they will learn English by________？
A．themselves B．their
C．theirs D．they
11．There was a fire in the street last night, but the firemen ________ within twenty minutes.
A．took it out B．brought it out
C．worked it out D．put it out BAD12．Mum makes me eat an apple every day ________healthy.
A．keep B．is kept C．to keep D．kept
13．You can't play with ________．It is not a toy.
A．scissor B．a scissor
C．a pair of scissor D．a pair of scissors
14．Don't leave the child ________ on the wall.
A．draw B．draws C．drawing D．drew
15．We should do something to prevent people from polluting the air.
A．protect B．stop C．help D．expectCDCB1.熟记本课时的词汇
2.完成本课时的课后作业
