Unit 3 Safety Lesson 16 How Safe Is Your Home? 课件20张PPT

课件20张PPT。Unit 3 Safety冀教版九年级英语Lesson 16:
How Safe Is Your Home?
2. If a cook is careless,
what might happen
in the kitchen?Think About It 1. Do you cook at home?3. Can small children have a bath by themselves?Never leave the baby alone in a bathtub.I Master words and phrases : prevent, certain, themselves, baking, soda. salt, scissors, knife, poison, heat, burn, bathtub, slip, be careful (with)/take care, fall off, put out, be sure to do.
II Sentence structures：
I. Never leave small children alone in a bathtub.
2. Don't use water to put out kitchen fires.
3.Use baking soda or salt instead.
III Grammar :Imperatives（ 祈使句的各种句型)
Learning aims（学习目标）
短语连线1. put out
2. be careful
3. leave...alone
4. be sure to do
5. fall off
6. baking sodaA .务必/一定做某事
B . 熄灭、扑灭

C. 从...摔下来

D . 小心、当心
E . 食用苏打粉
F. 把...单独留下First-reading : read the passage first by students themselves.
Second-reading: read the passage together, and then finish Task 1.
Third-reading: read the passage by some volunteers by answering questions in Task 2
（Let’s Do It I）.Learning guidance（自学指导）Reading Task 1: T or F1.It is necessary to keep the floor wet.
2.Use cold water to put out the kitchen fires.
3.Be careful with knives and scissors.
4.Use electrical appliances in the shower or bathtub.
5.Don’t keep poisons in the kitchen. What safety tips are mentioned to prevent accidents in the kitchen?
2.What safety tips are mentioned to prevent accidents in the bathroom?
Reading Task 2 : answer the questionsLanguage points:1. Never leave small children alone in a bathtub. leave sb. alone
=leave sb. by oneselfe.g. Never leave the baby alone.=Never leave the baby by itself.alone &lonelyThe old man lives ,but he never feels .alonelonely 链接中考2. use …to dobe used to do / be used for (doing) sth.used to do sth
be used to doing sth1.He drive to his office, but now
he walking.
2.The knives cut things
3.People pens write. used tois used toare used touse to 3. instead & instead of二者都有“代替‘的意思，但含义相反。instead是副词， “代替”常置于句首或句末，置于句首时多用逗号隔开。Instead of 短语介词，“而不是”后常跟n./ pron. / v-ing
e.g. 1. There is no coffee .Would you like
some tea instead?2.I would like to play basketball instead of playing football. 1. Be careful with the fire and heat when you cook.

2. Take the chair away.

3. Don't stand on chairs.

4. Let’s go cycling this Saturday.

5. No smoking!
6. Never leave small children alone in a bathtub.

祈使句（Imperative）
用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句，祈使句最常用于表达命令，
1. Do型(即:动词原形(+宾语)+其它成分)。如:Please have a seat here.
2 . Be型(即:Be + 表语(名词或形容词)+其它成分)。如:Be a good boy!
Don’t 型（Do型和Be型的否定式都是在句首加don‘t构成）如:Don't forget me!
Let’s型(即:Let’s+ 动词原形 + 其它成分)。如:Let’s go home.
5.有些可用no ，never开头,用来表示禁止性的祈使句。
如:No smoking! 禁止吸烟!
No fishing! 禁止钓鱼!
Let's discuss!Give suggestions about how to keep safe in the school!
Use imperatives .夯实基础1.安全小贴士 2.把某人单独留下 .
3.熄灭 4.对……认真 .
5.引起火灾 6. 从……掉下来 .
7.确保做 8.食用苏打粉 .
9. 防止这些事故 10.代替 .句型转换
1. He will take a bus there. He won't go by bike.(改为同义句)
He will take a bus there_______ _______ riding a bike .
2. You should not break the traffic rules.(改为祈使句)
_______ ________ the traffic rules.
3. You should be careful with the knife.(改为祈使句)
_______ _______ with the knife!
4.We can go shopping on Sunday.(改为祈使句)
_______ _______ shopping on Sunday.
能力提升instead ofDon‘t breakBe carefulLet’s goHomeworkFinish off the exercise books.
2.Write some imperatives about safety tips at school.
3.Preview Lesson 17