Shelly has been preparing carefully for the driving test so that she can be sure of passing it at her first________.

A．intention

B．purpose

C．attempt

D．desire

在野外施工中出现采集站工作不正常时的处理方法不当的是（）。

A.检查电池电压是否正常

B.检查检波器串是否良好

C.打开箱体检查内部

D.用备用采集站代替