1、Lesson 26Keep the Candle Burning1. _n. 火柴v. 相称；相配2. holdern. _3. shallowadj. _4. lightern. _5. examinev. _6. oxygenn. _1. holder_(v. )2. shallow_(反义词)3. examine_(n. )1. _用光；用完2. _由组成3. _多远4. _五分之一1. 保持蜡烛燃烧。_ the candle _. 2. 倒半碟水。_ the dish half full _ water. 3. 水面上升了多少？_ _ does the water rise?4. 小心
2、地把广口瓶放在蜡烛上方直到广口瓶的顶部挨住盘子。Carefully put the jar over the candle _the top of the jar rests on the dish. 5. 当蜡烛停止燃烧的时候，它已经用光了空气中所有的氧气。When the candle stops burning，it has _ _ all the oxygen in the air. 6. 因为氧气大约占空气的五分之一，所以水上升并填充大约广口瓶的五分之一。Because about _ _ _ the air is _ _ _ oxygen，the water rises and fills about one fifth of the jar. Lesson 26Keep the Candle Burning核心单词1.match2.支托物；持有者3.浅的4打火机；点火器5.检查6.氧气单词变形1.hold2.deep3.examination核心短语1.use up2.be made up of3.how far4.one fifth 重点句型1.Keep；burning2.Fill；with3.How far4until5.used up6.one fifth of；made up of
