四川省成都市20xx-20xx學(xué)年高中英語(yǔ) module5 a lesson in a lab cultural corner and language points課件 外研版必修1-全文預(yù)覽
【正文】 ____(電氣設(shè)備 ). is important to know how they ________(和 … 反應(yīng) ) different substances,__________(例如 ), water and oxygen. reaction of metals with these… can be _____________(排序 ). is a table ____ the metals that react most ________(在最頂部 ), and the metals … least _______________(在底部 ). (放置 )the tube for one week. Two thirds is 49 times larger exists as solid… heat expands How much plus electrical equipment react with for example put in order with at the top at the bottom Leave (裝一半 ) the test tube with water. (加 ) some oil ____ the water. This will ____ air _____ (把 … 擋在外面 ) the water. doesn’t rust in ________(不含空氣的 ) water. weighs __________(多一點(diǎn) ) than before. chemistry teacher takes us to public science lectures about __________(一學(xué)期四次 ), and …interesting, as the lectures are people who have __________________ ____________________(在他們的科學(xué)領(lǐng)域中真正有所發(fā)現(xiàn) ). has many __________________(一流的科學(xué)家 ). (在最近 20年中 ), seven Canadian scientists _____
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