下载APP
举一反三
【单选题】Knitting My mother knew how to knit (编织), but she never taught me. She assumed, as did many women of her generation, that knitting was no longer a skill worth passing down from mother to daughter. A c...
A.
speed up
B.
give up
C.
slow down
D.
build up
【单选题】Knitting My mother knew how to knit (编织), but she never taught me．She assumed, as did many women of her generation, that knitting was no longer a skill worth passing down from mother to daughter．A com...
A.
Because their mothers didn't teach them.
B.
Because they were influenced by feminism and consumerism.
C.
Because they were feminists.
D.
Because they were consumerists.
【多选题】数字式组合仪表的特点有()
A.
各个表头均采用步进电机驱动，精度高，寿命长
B.
背景光照明和提示/报警指示灯一般均采用发光二极管实现，照明亮度高、颜色均匀
C.
里程显示多采用液晶显示屏逐点或段码显示
【单选题】超声波传感器有（）个针脚，分别是（）。
A.
2；VCC、GND
B.
3；VCC、GND、Echo
C.
3；VCC、GND、Trig
D.
4；VCC、GND、Trig、Echo