冀教版九年级英语上Lesson_45p.ppt

2、To prevent bathroom accidents, we should remember these tips ____ ____ electrical appliances in the shower or bathtub. the floor ____ soap in a soap dish,not on the the bathtub ____ care! ____ Slip! 1.prevent v.阻止，预防 prevent sb./sth. Prevent sb. /sth. from doing sth . = stop /keep sb. /sth. from doing sth . Nothing can prevent us from reaching our aims (目标). 4. You don’t want to start a fire. 你不想引起火灾吧。 fire n.火 start a fire 放火，引起火灾 catch fire =be on fire 着火，起火 make a fire生火 set sth. on fire= set fire to sth. 5. leave的用法 1）leave sb./sth. alone 让某人某物独自留在那里 Don’t leave the baby alone at home . Leave the door open . 2）leave sth. + 地点 把某物遗留某地 I left my book at home . 3) 剩余，剩下 We have 5 minutes left ,so we must hurry up. 4）leave for +地点 前往某处 6. 1） use …to do …(主动语态) be used to do.（被动语态） be used for被用来做… 2）used to do sth.过去常常做某事 3）get/be used to doing 习惯于做某事 如：We use a knife to cut things . =A knife is used to cut things. =A knife is used for cutting things. He used to get up early . He is used to getting up early . 7. Many people hurt themselves by falling off chairs. 许多人因为从椅子上摔下来而受伤。 （1）hurt oneself 使自己受伤 teach oneself = learn by oneself 自学 dress oneself 给自己穿衣服 enjoy oneself 玩得开心 say to oneself 自言自语 look at oneself in the mirror 照镜子 help oneself to … 请随便吃… 8.alone adv. 单独的,独自的 ;只有,仅仅 e.g.： 他总是一个人呆在回家. He always stays at home alone. adv. (用在名词或代词后)只有,仅仅 e.g.：只有钱不能使人幸福. Money alone cannot make you happy. adj. (只作表语）单独的, 唯一的,独一无二的 e.g.：不仅仅只有他想成为歌手. He is not alone to be a singer. lonely adj. 孤独的,寂寞的;荒凉的,人迹稀少的 e.g.：他在这几乎没朋友,他很孤独. He has few friends here. He often feels lonely. e.g. ：他住在荒凉的美国乡村. He lives in a lonely country of America. * Lesson 45 How Safe Is Your Home? To use the words and phrases corr