1、Less on 16:How Safe Is Your Home?【學(xué)習(xí)目標(biāo)】知識(shí)目標(biāo)：certa in, themselves, salt, scissors, knife, heat, burn;put out, bak ing sodaMany people hurt themselves by falling off chairs.Dontuse water to put out kitchen fires.Use bak ing soda or salt in stead.Be careful with scissors and kni ves!能力目標(biāo)：Be able to use

2、 imperatives to express some safety tips.情感目標(biāo)：Be careful with your safety in daily life.【重點(diǎn)及難點(diǎn)】祈使句的使用【導(dǎo)學(xué)過程】一、自主預(yù)習(xí)I.基礎(chǔ)單詞。I.阻止；預(yù)防_2.3._浴缸；浴盆_4.5.某些；幾個(gè)_6.7.烘焙_8.9.毒藥；毒物_10.II.食鹽_12.13.刀_n.核心短語。摔下-_撲滅、熄滅 _滑倒_燒傷；燙傷；燃燒_他們自己_高溫；爐灶_剪刀_蘇打_代替、而不是_小心_川.檢查單詞及詞組的讀法并校正。2、合作探究Task 1：小組讀課文弄懂文章大意，并找出課文中所涉及的短語和句型。Tas

3、k 2：小組討論完成Lets do It 1.Task 3：小組討論導(dǎo)學(xué)案上的Language Points.Task 4：完成Lets do It 2、3，核對(duì)答案，難點(diǎn)解析。Task 5：小組討論Lets do It 4. Make a poster.三、交流展示Language Points:1. happen動(dòng)詞發(fā)生sth. happen to sb.某人發(fā)生了某事sb. happen to do sth.某人碰巧做某事E.g.你怎么啦？What happened to you?昨天我碰巧在街上遇到了一個(gè)朋友。I happened to meet a friend in the str

4、eet yesterday.他們那天碰巧外出吃飯。They happened to go out for dinner that day.2. be sure of與be sure to do的區(qū)別be sure of和be sure that一樣，主語是人， 主語感到“有把握；確信” ；be sure to do的主語可以是人，也可以是物， 表示說話人推測(cè)“一定；必然會(huì) 例如：He is sure of his success./ He is sure that he will succeed.He is sure to succeed.他一定會(huì)成功。（說話人的看法）3. Many peop

5、le hurt themselves by falling off chairs.很多人從椅子上掉下來摔傷。fall off的意思是“（從）跌落；（從）掉下” 。例如：He fell off the ladder.他從梯子上摔了下來。fall off還有“離開；縮減”的意思。例如：o他確信他會(huì)成功。The students fell off one by one.那些學(xué)生一個(gè)一個(gè)地離開了My fathers business has fallen off since the end of 2013.42013年年底以來，我父親的生意清淡了。4. Dont use water to put ou

6、t kitchen fires.（1） put out意思是“使熄滅；吹滅” 。和put相關(guān)的短語有：put up （搭起；舉起；掛上；張貼）（穿上；戴上）5. Use baking soda or salt instead.;in stead of為介詞短語，表示代替；作為.的替換” 。 例如：Jack was ill so I went instead.He didnt reply. Instead, he turned on his heel andleft the room.他沒有回答， 反而轉(zhuǎn)身離開了房間。We just had soup instead of a full meal

7、.我們沒有吃全餐，只喝了湯。Now I can walk to work instead of going by car.現(xiàn)在我可以步行去上班，而不必開車了。6. Be careful with scissors and knives!使用剪子和刀子要小心！be careful with表示 “小心， 謹(jǐn)慎” ， 也表示 “吝嗇” ；be careful of/about表示“關(guān)切；注意”。例如：He is usually careful with what he wants to say.他通常說話很謹(jǐn)慎。Why are you so careful with your money that

8、 you never buy anything for me?你為什么如此吝嗇，從來不給我買東西？The kind lady is careful of/about the feelings of others.那位善良的夫人對(duì)別人的感情體貼入微。Grammar：語法點(diǎn)：Imperatives祈使句定義:用于表達(dá)命令、請(qǐng)求、勸告、警告、禁止等的句子叫做祈使句。祈使句因?qū)ο螅粗髡Z）是第二人稱，所以通常都省略。祈使句的動(dòng)詞都為一般現(xiàn)在時(shí)，句末則使用句號(hào)來表示結(jié)束。例如：不要用水來撲滅廚房的火。，put off (推遲；延期)，put on(2)和fire相關(guān)的短語：catch fire (著火)

9、，make a fire (生火)，discover a fire (現(xiàn)火情)，light/start a fire (點(diǎn)火)，put out the fire (滅火)，set fire to sth. = setsth. on fire (放火)，be on失火；在著火）用小蘇打或者鹽代替。instead副詞，意為“代替；反而；卻”杰克病了，所以我去了。Go and wash your hands.（去洗你的手。命令）Be quiet, please.（Please be quiet.）（請(qǐng)安靜。請(qǐng)求）Be kind to our sister.（對(duì)姊妹要和善。勸告）Watch your

10、steps.（走路小心。警告）Look out！Danger！（小心！危險(xiǎn)！強(qiáng)烈警告，已如感嘆句）Keep off thegrass.（勿踐踏草坪。禁止）No parking.（禁止停車。禁止）No eating ordrinking.（禁止吃喝。 禁止）No littering.（禁止亂扔垃圾。禁止)表現(xiàn)形式 ：肯定結(jié)構(gòu):1.Do型（即：動(dòng)詞原形（+賓語）+其它成分）。如: Please have a seat here.請(qǐng)這邊坐。 有的祈使句在意思明確的情況下,動(dòng)詞可省略。如：This way, please. = Go this way, please.請(qǐng)這邊走。2.Be型（即:Be +

11、表語（名詞或形容詞）+其它成分）。如：Be a good boy!要做一個(gè)好孩子!3.Let型（即:Let+賓語+動(dòng)詞原形+其它成分）。如: Let me help you.讓我來幫你。否定結(jié)構(gòu):1.Do型和Be型的否定式都是在句首加dont構(gòu)成。如：Do nt forgetme!不要忘記我！Dont be late for school!2.Let型的否定式有兩種:1“Dont + let +賓語+動(dòng)詞原形+其它成分”2“Let +賓語+ not+動(dòng)詞原形+其它成分”。如: Dontlethim go. / Let himnot go.別讓他走。3.有些可用no開頭,用來表示禁止性的祈使句。

12、如: No smoking!禁止吸煙!No fishing!禁止釣魚!6四、當(dāng)堂檢測(cè)1.短語連線。1. put out A.2. be careful with B.3. leavealone C.4. be sure to do D.5. fall offE.n.句型展示。1.昨天早晨在這兒發(fā)生了一起交通事故。A _ _ _ here yesterday morning.2.大雨阻止他們繼續(xù)干活。The heavy rain _ them _ working on.3.當(dāng)心那些玻璃杯子。_ _ _ the glasses.4.露西不在這兒，問李莉吧。Lucy isnt here, ask L

13、ily _ .川.句型轉(zhuǎn)換。1. He will take a bus there. He wont go by bike.（改為同義句）He will take a bus there_riding a bike .2. You should not break the traffic rules. （改為祈使句）_ _ the traffic rules.3. You should be careful with the knife. （改為祈使句）_ _ with the knife!五、作業(yè)布置1. Making a poster about staying safe at home.2. Preview Lesson 17.教學(xué)反思】務(wù)必/一定要做某事熄滅、撲滅從摔下小心、當(dāng)心把單獨(dú)留下參考答案：一、自主預(yù)習(xí)I.1. prevent2. slip3. bathtub4. burn5. certain6. themselves7. baking8. heat9. poison10. scissors