万用电桥测量选择开关有。“（）”、“电感”和“电容”挡。
参考答案：电阻
企业劳动争议调解委员会对劳动争议进行调解的特点不包括()
A.群众性
B.协商性
C.自治性
D.非强制性
All of the Plants now raised on farms have been developed from plants __ wild.
A．once they grow
B．they grew once
C．that once grew
D．once grew
