中华人民共和国环境影响评价法》将环境影响评价定义为对规划和建设项目实施后可能造成的环境影响进行(),提出预防或者减轻不良环境影响的对策和措施,进行跟踪监测的方法和制度。
A. 分析
B. 预测
C. 估算
D. 评估
E. 监测
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根据小麦通过春化阶段要求低温的程度和时间长短将冬小麦品种分为()
A. 冬性品种
B. 半冬性品种
C. 喜温品种
D. 春性品种
You have many users complaining about slow inserts into a large table. While investigating the reason, you find that the number of indexes on the table is high. You want to find out which indexes are not being used. Which method would you follow to achieve this?()
A. enable index monitoring and query the DBA_OBJECTS view
B. enable index monitoring and query the DBA_INDEXES view
C. enable index monitoring and query the V$OBJECT_USAGE view
D. enable index monitoring and view the DBA_INDEXTYPE_COMMENTS view
按GB7588-2003《电梯制造与安装安全规范》规定,玻璃轿壁应使用夹层玻璃,应按表J1选用或能承受附录J所述的冲击摆试验。在试验后,轿壁的安全性能应不受影响。距轿厢地板1.10m高度以下若使用玻璃轿壁,则应在高度()之间设置一个扶手,这个扶手应牢固固定,与玻璃无关。
A. 0.90~1.10m
B. 1.00~1.10m
C. 1.05~1.15m