中国大学MOOC: The cotyledons become the first leaves of the plant.
举一反三
- The cotyledons become the first leaves of the plant. A: 正确 B: 错误
- In plant tissue culture, the explant can be derived from any cell of the plant. （ ）
- This is a hot drink made from the leaves of a plant. A: tea B: coffee C: milkshake
- 中国大学MOOC: Who wrote Leaves of Grass?
- In autumn in the old days, the leaves become colorful.