2019年秋九年级英语上册 unit 5 look into science lesson 26 keep the candle burning导学课件 冀教版.ppt

Lesson 26 Keep the Candle Burning,课前自主预习,课堂互动探究,Unit 5 Look into Science,课前自主预习,Lesson 26 Keep the Candle Burning,,支托物，持有者,match,hold,浅的,打火机， 点火器,light,检查,examination,氧气,be made up of,use up,two or three minutes,多远,五分之一,Lesson 26 Keep the Candle Burning,Fill,with,burn,Let,stops,burning,used,up,Lesson 26 Keep the Candle Burning,is,made,up,do,this,experiment,Lesson 26 Keep the Candle Burning,课堂互动探究,词汇点睛,match n. 火柴 v. 相称；相配,[观察] He quickly struck a match to light his cigarette. 他迅速地擦着一根火柴，点燃了他的香烟Lesson 26 Keep the Candle Burning,[探究] match作“火柴”讲时，是________名词。

搭配：一根火柴________________； 一盒火柴a box of matches可数,a/one match,[拓展] (1)match用作名词，还可译为“比赛” I like watching football matches on TV. 我喜欢通过电视看足球比赛 (2)match还可用作动词，意为“相称；相配”常用结构：match (with) sb./sth. (in sth.)(在某方面)和某人/某物相匹配 Your scarf doesn't match (with) your sweater. ＝Your scarf and sweater don't match. 你的围巾和毛衣不搭配 The picture matches the story.这张图片与这个故事相匹配Lesson 26 Keep the Candle Burning,活学活用,(1)门被漆成了蓝色，为的是与墙(的颜色)相配 The doors were painted blue ________ ________ the walls. (2)桌子上有两盒火柴 There are________ ________ ________ ________ on the table.,to,Lesson 26 Keep the Candle Burning,match,two,boxes,of,matches,句型透视,1 When the candle stops burning, it has used up all the oxygen in the air. 当蜡烛停止燃烧时，它(蜡烛燃烧)已经用完了空气中所 有的氧气。

Lesson 26 Keep the Candle Burning,[探究] (1)stop doing sth.意为“________________” (2)use up 意为“________________”， 相当于run out of停止做某事,用光，用完,Lesson 26 Keep the Candle Burning,[拓展] stop to do sth.意为“停止正在做的事情去做另一件事情” stop sb. from doing sth. 意为“阻止某人做某事”活学活用,1．2017•常州 —Why doesn't the surgeon stop________ lunch? —Because he is too busy________ a dying patient in the operation room. A．to have; to save B．having; to save C．to have; saving D．having; saving,C,Lesson 26 Keep the Candle Burning,2 Because about one fifth of the air is made up of oxygen, the water rises and fills about one fifth of the jar. 因为大约空气的五 分之一是由氧气构成的，所以水上升并填满了大约广口瓶的五 分之一。

Lesson 26 Keep the Candle Burning,[探究] (1)be made up of 意为“____________” (2)one fifth 意为“____________”分数的表达方式：分子用________词，分母用________词，当分子大于1时，分母加­s由……组成,五分之一,基数,序数,[记忆口诀]分子基，分母序；分子大于1，分母加­sLesson 26 Keep the Candle Burning,[拓展]分数短语作主语时，谓语动词的单复数取决于分数后的名词的单复数 Two thirds of the students are boys in our class. 我们班三分之二的学生是男生2．2017•安顺 —Mum, of the apples________ gone bad. —We'd better eat up the rest as soon as possible. A．one third have B．one thirds have C．one third has D．first three has,A,Lesson 26 Keep the Candle Burning,。