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《Keep the Candle Burning》Look into Science! PPT课件下载第一部分内容:课前自主预习单词闯关1. 火柴;相称;相配________2.holder______________→(v.)________3.shallow ________4. lighter ____________→(v.) ________5.examine ________→(n.)__________6.oxygen ________短语互译1. 用光;用完________________2.由……组成________________3.两三分钟________________4.how far ________________5. one fifth________________句型在线1.倒半碟水。________ the dish half full ________ water.2. 让蜡烛燃烧两三分钟。________the candle ________for two or three minutes.3.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。When the candle ________ ________, it has ________ ________ all the oxygen in the air.4.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。Because about one fifth of the air ________ ________________ of oxygen, the water rises and fills about one fifth of the jar.5. 你能做这个实验吗?Can you ________ ________ ________?... ... ...Keep the Candle BurningPPT,第二部分内容: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。[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。[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。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。[探究] (1)stop doing sth.意为“_____________”。(2)use up 意为“______________”, 相当于run out of。[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”。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。[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。[记忆口诀]分子基,分母序;分子大于1,分母加­s。[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。... ... ...关键词:冀教版九年级上册英语PPT课件免费下载,Keep the Candle BurningPPT下载,Look into Science!PPT下载,.PPT格式; 本作品中主体文字及图片可替换修改,文字修改可直接点击文本框进行编辑,图片更改可选中图片后单击鼠标右键选择更换图片,也可根据自身需求增加和删除作品中的内容,源文件无水印。如认为该内容涉嫌侵权,可通过邮件提出书面通知,我们将及时处理。
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