飞机加油车联锁点的控制形式有（）。
A.气动
B.纯电动
C.光控
D.手控
参考答案：A
Zhang Liang was a cook years ago, but he______ a model over the years.
A．has become
B．became
C．becomes
D．has been
新生儿病理性黄疸最严重的并发症是( )
A．胆红素脑病B．新生儿颅内出血C．败血症D．新生儿寒冷损伤综合征E．新生儿破伤风
