单股铜线的连接主要采用()
A.缠圈法
B.压接法
C.电阻焊
D.铜焊
参考答案:A
When you leave, don’t forget to the light.
A、turn on B、turn off C、turn up
—Do you like the food today?
—Yes, _________.[ ]
A. it's nice
B. it's not good
C. it's too much
D. it isn't