下列打印机中拥有最高的打印质量和打印速度的是()。
A、针式打印机
B、喷墨打印机
C、压电式打印机
D、激光打印机
参考答案:D
It was ___ it was raining so hard that we had to stay at home all day.
A.since
B.for
C.as
D.because
矿用汽车在行驶时,举升手柄应始终保持在()位。