路基挖方称为路堑，填方称为（）。
A．堵堤
B．路堵
C．路堤
D．路墙
参考答案：C
解析：
路基挖方称为路堑，填方称为路堤。
After the new technique was introduced，the factory produced ____ in 2001 as the year before．
A．as twice many machines
B．twice many as machines
C．as many machines twice
D．twice as many machines
不属于左旋多巴不良反应的是
A．胃肠道反应
B．体位性低血压
C．呼吸抑制
D．异常不随意运动
E．精神障碍
