()是指留出10%的资金放空股指期货,其余90%的资金持有现货头寸,形成零头寸的策略。
A. 避险策略
B. 权益证券市场中立策略
C. 期货现货互转套利策略
D. 期货加固定收益债券增值策略
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屋面工程质量验收规范(GB50207-2012):机械固定法铺贴卷材,卷材周边()mm范围内应满粘。
A. 500
B. 800
C. 600
D. 900
游乐设施吊挂乘人部分用钢丝绳数量不得少于()根,如采用1根时,必须经充分技术论证。
A. 1;
B. 2;
C. 3;
D. 4。
Which two statements correctly describe a Cisco WLC configuration of Wireless > QoS > Profiles >Wired_QoS_Profiles for an implementation of DSCP or CoS deployment?()
A. It must always be set on all QoS profile types because this sets the type of markings as either CoS or DSC
B. It is optional if the Cisco WLC attached switch operates on a trust DSCP model.
C. It must be set if the Cisco WLC attached switch operates on a trust CoS model.
D. It sets the EDCF queue used for the radio-transmitted frames.
肾小球滤液中含有下列哪些物质()
A. 水
B. 电解质
C. 肌酐
D. 葡萄糖