《How safe is your home?》Safety PPT課件下載
第一部分內(nèi)容:課前自主預(yù)習(xí)
單詞闖關(guān)
1. 某些;某個________→(adv.)________
2.他(她、它)們自己__________
3.食鹽________
4.剪刀________
5. 刀__________→(復(fù)數(shù))________
6.高溫;加熱________
7.燒傷;燙傷;燃燒________→(過去式)__________→(過去分詞)__________
8.prevent____________
9.poison____________
10.slip________
短語互譯
1. 撲滅________________
2.小心;注意________________
3.從……摔下來________________
4. 把……單獨留下________________
5. have a shower________________
6.baking soda ________________
7.hurt oneself________________
8.be sure to do sth. _______________
句型在線
1. 廚房和浴室是房子里最危險的兩個房間。
The kitchen and the bathroom are ________ ________
________ ________ ________ in the house.
2.許多人由于從椅子上摔下來而傷到了自己。
Many people hurt themselves _______ _______ _______ chairs.
3.不要用水來撲滅廚房的火。
________ use water to ________ ________ kitchen fires.
4.用小蘇打或食鹽代替。
Use baking soda or salt________.
5.使用剪子和刀子要小心!
________ ________ ________ scissors and knives!
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How safe is your home?PPT,第二部分內(nèi)容:課堂互動探究
詞匯點睛
1 prevent v. 阻止;預(yù)防
[觀察] Can people prevent certain accidents?
人們能阻止某些事故嗎?
Nobody can prevent him from going there.
沒有人能阻止他去那兒。
[探究] prevent 是及物動詞,意為“________”,后面可接名詞、代詞作賓語。prevent…(from) doing sth.意為“阻止……做某事”,相當(dāng)于stop…(from) doing sth.和keep…from doing sth.。
We must take steps to prevent the earth from being warm.
我們必須采取措施阻止地球變暖。
2 themselves pron. 他(她、它)們自己
[觀察] They can make a living by themselves.
他們可以靠自己謀生。
[探究] themselves 是人稱代詞they 的________代詞。
[拓展] oneself的常用搭配:
enjoy oneself 玩得高興 hurt oneself 傷到自己 teach oneself自學(xué)
help oneself to…隨便吃(喝)…… by oneself 靠自己
3 knife n. 刀
[觀察] He wounded his arm while using the knife.
他用刀的時候把自己的手臂割傷了。
Be careful with knives! 小心用刀!
[探究] knife的復(fù)數(shù)形式是________。
記憶口訣
巧記以f(e)結(jié)尾的名詞變復(fù)數(shù)規(guī)則:
樹葉半數(shù)自己黃,妻子拿刀去割草,
架后竄出一只狼,就像小偷逃命忙。
leaf(樹葉), half(一半), self(自己), wife(妻子), knife(刀子), shelf(架子), wolf(狼), thief(小偷), life(生命)這9個名詞變復(fù)數(shù)時,都要變f(e)為ves。 其他的以f(e)結(jié)尾的名詞則直接加s變復(fù)數(shù)。
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