【单选题】What was Mr.Johnson going to do at the end of the conversation?
A.
Ask Mr. Song to explain some of their services
B.
Talk to Mr Song about the plan for the day
D.
Discuss campaign plans with Mr. Song
【单选题】定子绕组是电动机的电路部分,也是最重要的部分,它的作用就是:
【判断题】一般而言,资产类账户的余额在借方,负债类账户的余额在贷方。
【简答题】如果把电池从完全放空到完全充满的整个过程中 SOC 的变化记为 %,则在实际应用 中,最好让每个电池都工作在 的区间。