农产品加工对农产品成熟度的要求为（）。
A.五成熟
B.六成熟
C.七成熟
D.八九成熟
参考答案：D
Pleasant Goat and Big Big Wolf Second, ___________ during the Spring Festival of the Tiger year, presented to the world a new image of China’s cartoons.
A．having released
B．released
C．to be released
D．releasing
由交联性纤维蛋白降解的产物是（）
A.X、Y、D、E
B.γ-二聚体
C.Bβ15-42
D.D-二聚体
E.Bβ1-42
