题目内容

120．1型控制阀局减阀由局减活塞、局减阀膜板、O形橡胶密封圈、（）、局减阀簧、压垫、毛毡等组成。

A. 局减阀杆
B. 项杆
C. 递动杆
D. 稳定杆

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Your database supports a DSS workload that involves the execution of complex queries: Currently, the library cache contains the ideal workload for analysis. You want to analyze some of the queries for an application that are cached in the library cache. What must you do to receive recommendations about the efficient use of indexes and materialized views to improve query performance?（）

A. Create a SQL Tuning Set (STS) that contains the queries cached in the library cache and run the SQL Tuning Advisor (STA) on the workload captured in the ST
B. Run the Automatic Workload Repository Monitor (ADDM).
Create an STS that contains the queries cached in the library cache and run the SQL Performance Analyzer (SPA) on the workload captured in the ST
D. Create an STS that contains the queries cached in the library cache and run the SQL Access Advisor on the workload captured in the ST

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女员工怀孕不满4个月（含4个月）自然流产可休产假15天，怀孕满4个月以上自然流产的休产假30天，员工人流按病假处理

A. 正确
B. 错误

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甲服装厂在乙公司订购20捆衣料，价值1万元，双方约定由甲先将货取走，10天以内，甲给乙送来支票。次日，甲委托丙汽车运输公司取走衣料，行至中途，因雷雨击断电线落在汽车上短路，引起汽车着火，结果汽车和衣料全部烧光，乙向甲索要货款，甲向丙索赔损失，丙也向供电部门提出赔偿损失。乙是否有权要求甲支付货款（）

A. 有权
B. 无权

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参数值

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120．1型控制阀局减阀由局减活塞、局减阀膜板、O形橡胶密封圈、（）、局减阀簧、压垫、毛毡等组成。

A. 局减阀杆 B. 项杆 C. 递动杆 D. 稳定杆

女员工怀孕不满4个月（含4个月）自然流产可休产假15天，怀孕满4个月以上自然流产的休产假30天，员工人流按病假处理

参数值

A. 局减阀杆
B. 项杆
C. 递动杆
D. 稳定杆