Module 5 Introduction Vocabulary and Speaking
Learning aims :
1. Master some language points.
2. Learn some useful expressions by heart.
Learning important and difficult points:
基数词、分数、百分数、序数词读法
Learning steps:
Step1 Introduction
1. 水以 固体、液体和气体的形式存在。
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2. 当你把金属加热时, 它就会膨胀/收缩。
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When __________(heating/heated), water can be changed into vapor.
3. 钢是铁和其他物质的混合物。_______________________________________
