加油机发生油品漫溢性火灾时，首先必须（），防止继续漫溢。
A、设法封堵溢油出口
B、疏散加油车辆
C、找电话报警
D、呼喊请求支援
参考答案：A
Yesterday I saw a woman ______ in the street, with a little boy ______ on her shoulder.[ ]
A. walking; seating
B. walk; sat
C. walking; seated
D. to walk; sitting
To children, good habits do not come , so parents and teachers need to be their role models.
A．instantly
B．automatically
C．eventually
D．steadily
