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四六级考试网权威发布2018年12月英语四级听力50篇:07 Plastic,更多2018年12月英语四级听力50篇相关信息请访问大学英语
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【导语】英语听力是英语四级考试中的重要组成部分,对于中国的考生,日常英文听说机会少,缺少听力训练,所以在备考大学英语四级时,需要加强对四级听力的训练。针对这一情况,英语四级频道特别整理听力练习50篇,供学员参考使用。预祝大家高分通过考试。
2018年12月英语四级听力50篇汇总
英语四级听力50篇:07 Plastic
We use plastic wrap to protect our foods. We put our garbage in plastic bags or plastic cans. We sit on plastic chairs, play with plastic toys, drink from plastic cups, and wash our hair with shampoo from plastic bottles!
Plastic does not grow in nature. It is made by mixing certain things together. We call it a produced or manufactured material. Plastic was first made in the 1860s from plants, such as wood and cotton. That plastic was soft and burned easily.
The first modern plastics were made in the 1930s. Most clear plastic starts out as thick, black oil. That plastic coating inside a pan begins as natural gas.
Over the years, hundreds of different plastics have been developed. Some are hard and strong. Some are soft and bendable. Some are clear. Some are many-colored. There is a plastic for almost every need. Scientists continue to experiment with plastics. They hope to find even ways to use them!
2018年12月英语四级听力50篇汇总
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