完善惩治贪污贿赂犯罪法律制度，把贿赂犯罪对象由财物扩大到什么范围？
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冲裁模具的间隙质量对零件端面有较大的影响，对制件的尺寸精度影响不大。
A. 正确
B. 错误
Which of the following will generate an RSTP topology change notification？（）
A. an edge port that transitions to the forwarding state
B. a non-edge port that transitions to the blocking state
C. a non-edge port that transitions to the forwarding state
D. an edge port that transitions to the blocking state
E. any port that transitions to the blocking state
F. any port that transitions to the forwarding state
某玉米经销商在大连商品交易所做买人套期保值，在某月份玉米期货合约上建仓10手，当时的基差为-20元／吨，若该经销商在套期保值中出现净亏损3000元，则其平仓时的基差应为（）元／吨（不计手续费等费用）。
A. 30
B. -50
C. 10
D. -20
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