A.改换磁极的位置
B.增大线圈中的电流
C.增大电动机的供电电压
D.增强磁场
答案:A
He is a new comer. There is no one _________, so let’s go and help him, shall we?
A.who to turn to
B.for him to turn
C.for whom to turn
D.he can turn to
该种面试具有的特点是( )。
A.适合于低级岗位人员的面试
B.适合于高级岗位人员的面试
C.预先设定好面试的问题
D.采用漫谈式,鼓励求职者多说