题目内容

实训室中的直流电机的转速很快

A. 对
B. 错

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直流电机比同步电机的造价要贵很多

A. 对
B. 错

What is the name of the caller?

A. Nick
B. Nate
C. Neil

According to the girl, her father______.

A. is not home
B. is on another line
C. can't come to the telephone

What is the man's telephoen number?

A. 598-7482
B. 587-4728
C. 589-7248