中国大学MOOC: according to the video clip, what effect does the product achieve?
举一反三
- 中国大学MOOC: what product was the salesgirl selling according to the video clip?
- according to the video clip, what effect does the product achieve? A: a. help speed up the blood circulation B: b. prevent hair loss C: c, make the white hair turn into black D: none
- What does linking mean according to the video clip？
- What does a teacher make according to the video clip?
- 中国大学MOOC: 2. What causes the Earth to be warmer according to the video clip?