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

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

admin2010-04-12  64
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.
【B9】
选项
答案They can be harder than wood or softer than rubber
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