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Section 1 · Key Vocabulary
重点词汇 · 点击单词听发音
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Section 2 · Text Reading
课文朗读 · 点播放键听整段
🟢 Paragraph 1 · Introduction 介绍
There are many materials around you. If you look into your kitchen, you will find food containers made of different materials. While some are made of plastic, others are made of metal, glass or ceramic. Containers made of different materials serve different functions. It is important for you to choose containers made of the right type of material for the food you wish to put inside.
Wood comes from the trees in fields and forests. When a tree is cut down, its trunk and branches are cut up to make long, flat planks of wood. We use wood to make furniture, musical instruments, sports equipment and paper. Wood is used to make furniture, musical instruments, sports equipment and paper.