负载通常也称为(),它们是将电能转变成其他形式能的元器件或设备。
参考答案:用电器
Although they lost their jobs, savings and unemployment benefits allow the couple to ______ their
comfortable home. [ ]
A. put up with
B. catch up with
C. look forward to
D. hold on to
图中黑点分别为甲、乙、丙、丁所处的地理位置,读图完成下列问题。
关于甲、乙、丙、丁四地相对位置的描述,正确的是()
A.甲在乙的正东
B.乙在丙的西南
C.丙在丁的东南
D.丁在甲的西北