单项选择题

A．相等
B．不相等
C．不确定
D．无

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短肢剪力墙指墙体的（）。
A、高度小
B、厚度小于等于300mm，长度与高度之比为大于4小于8
C、厚度小
D、厚度小于等于300mm，长度与高度之比小于8

答案： B

1. Which statement best explains the meaning of "current service cost"?
A、The present value of pension benefits that employees have earned.
B、The increase in the present value of a defined benefit obligation resulting from employee service in the current period.
C、The amount of funds deposited with the pension trust in the year.
D、The annual contribution required by the employer as specified in the pension plan agreement.

答案： B