在Photoshop中，影响色彩明暗度的色彩调整为（）
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有限责任公司全体股东的货币出资金额不得低于注册资本的（）。
A. 10％
B. 20％
C. 30％
D. 40％
荷载横向分布影响线的计算方法主要有：（）、偏心压力法、铰接板法、比拟正交异性板法。
在捞油过程中，由于捞油车机械故障等原因失去动力时，应将捞油泵下到此（）凝固点以下。
A. 套管
B. 700m
C. 油井
D. 900m
Which one of the following statements best explains the split horizon rule used in distance vector routing protocols?（）
A. Only routers can split boundaries (horizons) between concentric networks.
B. Each AS must keep routing tables converged to prevent dead routes from being advertised across boundaries.
C. Networks can only remain fully converged if all information is sent out all active interfaces.
D. Information about a route should not be sent back in the direction from which the original update came.
E. Distance vector protocols need fall back routers that are responsible for momentary loops.
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