某市城区的天桥上、电线杆上等地方经常被人贴上小广告,影响了城市的公共卫生和美观,为了治理这种现象,城管部门加大了查处力度。一日,某甲正在往天桥栏杆上贴小广告,被某区城管大队队员发现,该队员当即对他进行批评,并处以罚款。下列说法正确的是()。
A. 该区城管大队有权罚款
B. 如果区城管大队队员处以50元罚款,甲可以拒绝缴纳
C. 城管大队队员罚款时给甲一张盖章的行政处罚决定书,可以出具区城管大队制发的罚款收据
D. 在上述C种情况下,甲有权当场拒绝缴纳罚款
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男性,27岁,夏天高温下,在建筑工地劳动时,突然晕倒在地,浑身大汗,P120/min,R25/min,体温40.5℃,BP90/60mmHg,未引出病理反射,心电图正常,血糖5.0mmol/L,大便OB阴性,脑电图正常,血浓度钠150mmol/L,血钾4.5mmol/L,血常规正常。用降温治疗时,通常在1h内使肛温降至()
A. 37℃
B. 39℃
C. 38℃左右
D. 37.5℃
E. 37~37.5℃
In your test database, you have created the ORDERS table as an indexorganized table (IOT). To facilitate faster querying, you have created a mapping table and a bitmap index on the ORDER_FILLED column. You observe that the query performance degrades when users perform a large volume of transactions. While investigating the reason, you find that the mapping table segment is fragmented, leading to poor performance. Which option would you use to defragment the mapping table without affecting the original table data?()
A. export and import the mapping table
B. drop and recreate the mapping table
C. truncate the mapping table and reinsert the values
D. use the ALTER TABL. REBUILD command to defragment the mapping table
快蹲慢起有助于缓解腿痛症状。
A. 正确
B. 错误
矿车翻完后,不必停掉液压泵。
A. 正确
B. 错误