冀教版九年级英语上册《How safe is your home?》Safety PPT精品课件，共27页。
Lead-in
Can you ride a bicycle?
Are you always careful when you ride your bicycle?
New words
helmet n. 头盔；防护帽
wham onom. （突然的重击声）砰；嘭
sudden n.&adj. 突然（的）
blood n. 血
bleed v. 流血；失血
knee n. 膝；膝盖；膝关节
sharp adj. 锋利的；锐利的
1. Why did she fell down?
2. What were her hand and knee like?
3. What was wrong with her helmet?
4. Where did the stranger put her bike and took her to the hospital?
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关键词：How safe is your home? PPT课件免费下载，.PPTX格式；