（）是聘用合同的主要期限种类，它适用于事业单位中的大多数岗位。
A.短期合同
B.中期合同
C.长期合同
D.项目合同
参考答案：B
I secretly hid myself ______ the ship, Endurance, in a small cupboard(碗橱).
[ ]
A. board
B. aboard
C. abroad
D. being aboard
I had no idea she was there. I met her only____. [ ]
A. as a result
B. in surprise
C. by chance
D. in a way
