．Jane had prepared carefully for her English examination so that she could be sure of passing it on her first____________．

A．occasion

B．attempt

C．purpose

D．spot

搞好车间文明生产的具体要求中有许多具体工作，比如生产用的样板应（）工艺文件要用夹子夹好。

A、摆平放整齐

B、折叠好

C、吊挂平整

D、用夹子夹好