解剖菜豆种子时，合适的操作是
①选浸泡的种子②用干燥的种子③在种脐旁把种皮剥开④沿种脐把种皮剥开[ ]
A．①③
B．①④
C．②③
D．②④
答案：A
I think Zheng Jie is ______ a rising tennis star. She has put China on the tennis map. [ ]
A. especially
B. formally
C. definitely
D. gradually
球团在干燥过程中结构遭到破坏的两种类型：干燥初期的（）和干燥末期的（）。
