【判断题】发酵早期染菌可以适当添加营养物质,重新灭菌后再接种发酵。
【单选题】在汉语中,最早将“教”和“育”连起来使用的人是 【 】
【单选题】There are a lot of people in the park on Sundays. Some are flying kites, _____ are sitting under the big trees. [ ]
【判断题】黑色素的正常分泌,对人体来说是起到保护作用的。
【判断题】人体皮肤上的黑色素是通过氨基酸合成而来。
【单选题】Some are flying kites near the river .
【简答题】Some children are flying kites near the river. They are very high and Peter can see them from the classroom. After lunch his aunt comes to see his mother and brings a kite to him. It looks like a bird...
【单选题】汉语中最早将“教”和“育”连用的《孟子•尽心上》是( )时期的著作。