2018学年度人教版选修8Unit2Clone Period2Language points 课件(33张)(1)
2018学年度人教版选修8Unit2Clone Period2Language points 课件(33张)(1)第2页

 1. differ vi. 观察示例: In pairs, look at these pictures and discuss which ones are natural clones and which ones are man-made. Explain how they differ. 两人一组, 观察图片并讨论哪些是自然无性繁殖, 哪些是人工的。解释它们的区别。