【单选题】三相四线制供电的相电压为200V,与线电压最接近的值为( )V。
【单选题】听力原文:W: Mike, there's not much left in the refrigerator. M: Well, I might be able to pick up a few things after work, but I have to be back rather late today. W: In that case, we'll make do with a mea...
A.
The man will bring some food back for dinner.
B.
They will go to their friend's home for supper.
C.
The woman will fill the refrigerator before supper.
D.
They will eat out for dinner.
【多选题】在下列各项中,属于企业所有者权益的内容有( )
【单选题】三相四线制供电的相电压为200V, 与线电压最接近的值为( )V。
【简答题】大环内酯类抗生素的抗菌作用机制主要为( )A. 干扰细菌细胞壁合成 B.抑制细菌蛋白质合成 B. 抑制细菌蛋白质合成 C. 抑制细菌核酸合成 D. 增加细菌胞浆膜通透性
【多选题】下列各项中,属于企业所有者权益的内容有( )
【单选题】三相四线制供电的相电压为200V,与线电压最接近的值为( )