VOR的自检启动:（）
A、按压VOR控制面板上的TEST开关
B、按压VOR接收机前面板上的TEST按钮
C、上述两项都对
D、不确定
参考答案：B
The old man said the accident ________careless driving，so a lot of money ________be paid by the driver.
A．was due to；was due to
B．due to；was due to
C．is due to；has due to
D．is due to；was due to
《诗经氓》中比喻女子不可沉溺于爱情的诗句是：( )
A．桑之未落，其叶沃若
B．于嗟鸠兮，无食桑葚
C．桑之落矣，其黄而陨
D．淇则有岸，隰则有泮
