遇到这种情况的路口怎样通过？（）
A．左转弯加速通过
B．加速直行通过
C．右转弯加速通过
D．确认安全后通过
参考答案：D
-People stopped using their cars and started using public transport during the Beijing 2008 Olympics.
-________. In China's big cities, the roads are always too crowded.[ ]
A．All right
B．Exactly
C．Go ahead
D．Fine
计量装置误差超出允许范围是指电能表的（）误差超出电能表本身的准确等级。
A.相对
B.绝对
C.实际
D.记录
