【正确答案】正确答案： 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. / Plastic was first made in the 1860s from plants. That plastic was soft and burned easily. / The first modern plastics were made in the 1930s. / Over the years, hundreds of different plastics have been developed. / There is a plastic for almost every need. Scientists continue to experiment with plastics. / They hope to find even more ways to use them. /