2017年外研版必修一Module5 Period 1课时巩固提升含解析 Ⅱ. Read the passage again and choose the best answers. 1. We learn from the text that plants communicate with each other by________. A. making some sounds B. waving their leaves C. producing some chemicals D. sending out electronic signals 【解析】选C。细节理解题。从文章第一段中的“Instead, plants produce volatile compounds, chemicals that. . . ”可知, 植物通过它本身所产生的挥发性化合物、化学物质来进行交流, 所以答案选C。
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