（）系列提升机的闸瓦磨损、闸瓦间隙变大与制动力矩无关。
A.KJ4—6m
B.KL2—3m
C.JK
D.JT
参考答案：A
—Congratulations! You got the first place in the drawing competition.
—_______ [ ]
A. Thank you!
B. You're right.
C. Not at all.
D. You're so nice.
劳动者实现权利、维护权益的重要依据是
A．提高劳动者的职业技能
B．建立工资正常增长机制
C．依法签订劳动台同
D．自觉履行劳动者的义务
