限额领料制度是( )的基本方法。
A．工期进度控制
B．量差核算
C．利润控制
D．价差核算
参考答案：B
Peter was so tired that he went to bed early , ___.
A．leaving his homework unfinished
B．leaving his homework being unfinished
C．leaving his howework unfinishing
D．to leave his homework unfinished
在汽车驾驶过程中，电子仪表盘上出现红色信号，表示（），应立即停车检查。
A、制动系统出现故障
B、冷却液液面太低
C、冷却液温度过高
D、发动机机油压力太低
红色信号，表示（），应立即停车检查。