经肝脏羟化后的维生素D称()。
A.7-脱氢胆固醇
B.麦角骨化醇
C.维生素D3
D.25-羟胆骨化醇
E.1,25-二羟胆骨化醇
参考答案:H
The Wright brothers continued their flying in France and ______ all who saw them.
A.saddened
B.frightened
C.astonished
D.alarmed
加热、浓缩、干燥、浸出、压榨、过滤、蒸馏是农产品加工物理机械加工技术。