The word "plastic" comes from the Greek word "plastikos" and is used to describe something which can be easily shaped. You will

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问题     The word "plastic" comes from the Greek word "plastikos" and is used to describe something which can be easily shaped. You will see what a【B1】______name this is for "plastics".
    No other【B2】______in the history of the world has been used for so many different【B3】______. But what special qualities do plastics have? The【B4】______of plastics is one of their most【B5】______qualities. Think how easy it is to lift plastic【B6】______! Think, too, how light plastic containers are! A【B7】______man can carry many more plastic containers than containers made of wood or【B8】______or glass.
    It is quite extraordinary how many different kinds and qualities of plastics there are.【B9】______They can be made so strong that they will last almost for ever, or so thin and cheap【B10】______They can be made as clear as glass or completely black.【B11】______.They can even be made to look like wood or leather or rubber or stone.
【B3】

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答案purposes

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