Lesson 25 Let’s Do an Experiment！.pptx
Lesson 26 Keep the Candle Burning.pptx
Lesson 27 Planet Danny.pptx
Lesson 28 The Study of Living Things.pptx
Lesson 29 DNA—The Story of You.pptx
Lesson 30 Science Affects Us.pptx
单元写作专训.pptx
单元语法专训.pptx
河北中考题型特训.pptx
(共8张PPT)
单元语法专训
Unit 5 Look into Science
[课堂回顾]
1. In Mexico， the butterflies always return to thesame small piece of
forest，which is only 20 kilometres wide.
2. But in Mexico， people cut down the trees that the butterflies need to rest
on because they want more land for farming.
3. Your DNA has bil...