四川省成都市20xx-20xx學年高中英語module5alessoninalabreading課件外研版必修1-免費閱讀
【正文】 ?ksaid] steam n. 蒸汽， 水氣 The best title for Passage A ? The Different Uses of Metals ? The Reaction of Metals ? The Reaction of Metals with Oxygen 1. Which of the metals in the table reacts the most with oxygen and water? 2. What happens when you heat calcium in oxygen? 3. Which metals react with steam? 4. Does iron have a slow or fast reaction with steam? 5. Does copper react with water? Potassium, calcium and sodium It burns to form an oxide. Magnesium, aluminium and zinc It has a slow reaction. No, it doesn’t. liquid, expand, contract, substance, mixture, react, burn, oxide, sodium We are living in a world made of different kinds of _____________. Some of them exist in the form of solid, some in the form of _________ and some gas. Some belongs to the metal family such as calcium, zinc and _________. Most of these substances can _________ with water and can rust(生銹 ) after being put in water for some time. When metals are _____________ in the air you will find some ____________ is produced. Also metals ____________ when it is very hot and _______
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