对于客户投诉集中的（）环节和产品，应及时制定有效的解决措施，加以改正。
参考答案：电子银行业务
如图所示，物体A靠在竖直墙壁上，在力F的作用下，A、B保持静止。物体B的受力个数为
A．2
B．3
C．4
D．5
— I didn't go to work yesterday because my car_____.
— You could have borrowed mine. I wasn't using it then.
[ ]
A. broke in
B. broke out
C. broke down
D. broke away
