2. 职称英语
  3. [audioFiles]2016m4x/audio_ezfj_153_20164[/audioFiles]

[audioFiles]2016m4x/audio_ezfj_153_20164[/audioFiles]

游客2024-09-20  41
问题  
选项
答案                                 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 more ways to use them. /
解析
转载请注明原文地址:http://tihaiku.com/zcyy/3765834.html
相关试题推荐
随机试题
最新回复(0)