（外研版）2020版高考一轮复习Module5ALessoninaLab课件必修1（英语）.pptVIP

句 型 整 理 1. think of a world without metals. 很难想象一个没有金属的世界(是什么样子)。 2. you are, you’ll see. 你靠得越近,看到得越多。 3. a table with the metals that react most at the top, and the metals that react least at the bottom. 这里有一张表,反应最激烈的金属在最上面,而反应最差的在最下面。 It is hard to The closer the more Here is Module 5　A Lesson in a Lab 原文缩写 关键知识 基础知识 原文缩写·再现 巧复现·重记忆 Different metals have different uses.When we use metals, 1.　 is important to know how they react with different 2. (substance).The 3.　　 　　 (react) of metals with these substances can be put in order.From the table we can find that sodium reacts both with oxygen and water while copper doesn’t react with water.When 4.　　　　 (heat) in oxygen, calcium burns 5.　　　　 (form) an oxide.? 答案:1.it　2.substances　3.reaction　4.heated　5.to form　6.rusts　7.preparations　8.equipment　9.to make　10.to　11.which　12.conclusion In the second part of the experiment, our aim is to find out if iron 6.　　　　 (rust) in dry air,in air-free water and in ordinary water.Having made full 7.　 　　　 (prepare),we need different pieces of 8.　　　 　 (equip).In order to finish the second stage of the experiment, we have to boil the water 9.　　　　 (make) sure there is no air in it.We add some oil 10.　　　 　 the water,11.　　　　 can keep air out of it.During each stage we will get different results and draw the 12.　　　 　 (conclude) that iron doesn’t rust in dry air and in air-free water but it rusts in ordinary water.? 1.expand v.膨胀,扩张,扩大;展开 关键知识·盘点 解疑难·提智能 典例链接: ①The director plans to expand the firm into an international company. 经理计划把公司扩展成为跨国公司。 ②I am quite satisfied with your explanation, so there’s no need to expand on it. 我对你的解释很满意,没有必要再细说了。 ③This novel is an expansion of a short story he wrote about twenty years ago. 这部小说由他约20年前写的一篇短篇故事扩展而成。 重点领悟 ①expand on/upon详述,进一步说明 ②an expansion of sth.……的扩大/膨胀,……的详述/ 展开 词语辨析