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英语九年级上册Lesson 16 How Safe Is Your Home?优秀学案及答案
展开Lesson 16 How Safe Is Your Home? 导学案
知识
目标 |
必
会
内
容 | Important words: prevent,certain,themselves,baking,soda,salt,scissors,knife,poison,heat,burn,bathtub,slip Important phrases: put out,baking soda Important sentences: (1)Many people hurt themselves by falling off chairs. (2)Don’t use water to put out kitchen fires. (3)Never use electricity in the shower or bathtub. (4)It’s easy to slip and fall on a wet floor. (5)Be sure to keep the bathroom floor dry after you have a shower or bath. |
【学习目标】
1.重点单词:
prevent,certain,themselves,baking,soda,salt,scissors,knife,poison,heat,burn,
bathtub,slip
2.重点词组: put out,baking soda
3.重点句式:
(1)Many people hurt themselves by falling off chairs.
(2)Don’t use water to put out kitchen fires.
(3)Never use electricity in the shower or bathtub.
(4)It’s easy to slip and fall on a wet floor.
(5)Be sure to keep the bathroom floor dry after you have a shower or bath.
【重点难点】
1. 重点:能够正确应用本课的重点词汇
2. 难点:学会祈使句的运用
【导学过程】
一、课前预习
核心单词
1. ________adj. 某些;某个 2. ________ pron. 他(她、它)们自己
3. ________ n. 食盐 4. ________ n. 剪刀
5. ________ n. 刀 6. ________n. 高温;热;炉灶 v. 加热
7. ________ v. 烧伤;烫伤;燃烧 8. prevent v. ________
9. baking n. ________ 10. soda n. ________
11. poison n. ________ 12. bathtub n. ________
13. slip v. ________
单词变形
1. themselves→________(代词宾格) 2. burn→________(过去式)→________(过去分词)
3. knife→________(复数)
二、课堂学习
Step 1. 自主探究,合作交流
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.
Step 2. 交流展示
1. Many people hurt themselves by falling off chairs.很多人从椅子上掉下来摔伤。
fall off的意思是 “(从……)跌落;(从……)掉下” 。fall off 还有“减少”的意思。例如:
1)他从梯子上摔了下来。
He______ ________ the ladder.
2) 那些学生一个一个地离开了。
The students______ _______ one by one.
2. Don’t use water to put out kitchen fires. 不要用水来扑灭厨房的火。
put out 意思是“使熄灭;吹灭”。和 put 相关的短语有:
1) put up :___________________
2) put off :____________________
3) put on : ____________________
3. Use baking soda or salt instead. 用小苏打或者盐代替。
instead 副词,意为“代替;反而;却”;instead of 为介 词, 表示 “代替;作为……的替换” 。
1) 杰克病了,所以我去了。
Jack was ill so I went_____________ .
2) 他没有回答, 反而转身离开了房间。
He didn’t reply._____________ , he turned on his heel and left the room.
3) 现在我可以步行去上班,而不必开车了。
Now I can walk to work_____________ going by car.
4. Be careful with scissors and knives! 使用剪子和刀子要小心!
be careful with表示 “小心, 谨慎” , 也表示 “吝啬” ;
be careful of/about 表示“关切;注意”。
He is usually careful with what he wants to say. 他通常说话很谨慎。
Why are you so careful with your money that you never buy anything for me? 你为什么如此吝啬,从来不给我买东西?
The kind lady is careful of/about the feelings of others. 那位善良的夫人对别人的感情体贴入微。
三、知识点拨:
1.prevent预防,阻止
prevent sb./sth.(from) doing sth.阻止某人/某物做某事
=stop sb./sth.(from) doing sth.=keep sb./sth.from doing sth.
My mother keeps me from playing computer games.
=My mother prevents me (from) playing computer games.
=My mother stops me (from) playing computer games.
2.祈使句(Imperative)
用于表达命令、请求、劝告、警告、禁止等的句子叫祈使句,祈使句最常用于表达命令。
(1)Do型(即:动词原形(+宾语)+其他)。
(2)Be型(即:Be + 表语(名词或形容词)+其他)。
(3)Don’t 型(Do型和Be型的否定式都是在句首加don’t构成)
(4)Let’s型(即:Let’s+ 动词原形 + 其他)。
(5)有些可用no ,never开头,用来表示禁止性的祈使句。
3.put out使熄灭;吹灭。
【拓展】:与“put”相关的短语:
put up 搭起;举起;挂上;张贴 put away 把……收起来 put off 推迟;延期
put on 穿上;戴上 put down 记下
4.instead & instead of
二者都有“代替”的意思,但含义相反。instead是副词,表示“代替”,常置于句首或句末,置于句首时多用逗号隔开。instead of是短语介词,表示“而不是”,后常跟n./pron./v.-ing。
5.不定式作主语时,往往用it作形式主语,而将不定式放在后面。
6.be sure to do sth.意为“务必/切记去做某事”,常用于祈使句中,表示说话人向对方提出要求。
【拓展】 be sure about/of意为“对……有把握,一定会”。
7.“keep+sth./sb.+形容词”意为“使……处于某种状态”,形容词作宾语补足语。
【拓展】keep doing sth.一直做某事;keep sb.doing sth.让某人一直做某事。
四、【知识巩固】
Ⅰ.根据汉语提示完成句子
1. (某些) mosquitoes transmit disease.
2.Put some (盐) in the soup.
3.Is this wood dry enough to (燃烧)?
4.Please (加热) some milk.
5.We must (阻止) the trouble from spreading.
6.The (刀) cuts very well.
Ⅱ.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.
答案:
一、课前预习
核心单词 1.certain 2.themselves 3.salt 4.scissors
5.knife 6.heat 7.burn 8.阻止;预防 9. 烘焙 10.苏打
11.毒药;毒物 12.浴缸;浴盆 13.滑倒
单词变形 1.them 2.burned/burned或burnt/burnt 3.knives
二、Step 1.自主探究,合作交流:
1. instead
2. salt
3. knife
4. burned/burnt
5. heat
Step 2. 交流展示
1. 1) fell off 2) fell off
2. 1) 搭起;举起;挂上;张贴 2)推迟;延期 3) 穿上;戴上
3. 1) instead 2) Instead 3) instead of
四、【知识巩固】
Ⅰ.1.Certain 2.salt 3.burn 4.heat 5.prevent 6.knife
Ⅱ.1.instead of 2.Don’t break 3.Be careful 4.Let’s go
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