【单选题】非豆科植物根瘤菌保护其固氮酶不受氧毒害的机制之一是
【简答题】A ship is the product of two main areas of skill, those of the naval architect and the marine engineer.
【单选题】()属美国学院哥特式风格,为典型的“社交堂”
【判断题】薪资管理系统建账完成后,所有建账参数均不能修改。
【判断题】安溪是中国红茶的主产区,种茶历史悠久,唐代已有茶叶出产。
【单选题】What happened to the ship Olympic in the end?
A.
She was used to carry troops.
B.
She was sunk in World War 1.
C.
She was converted into a hospital ship.
D.
She was retired after her naval service.
【单选题】()属美国学院哥特式风格,为典型的“社交堂”