从温度表的读数来看发动机水温已上升到沸点,但水箱口还未喷水,为什么一旦熄火后水蒸气立刻大量喷出?
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电力线路第二种工作票工作任务栏的填写规定:应明确填写电力线路的电压等级、名称【同杆(塔)双回或多回线路均应注明线路双重称号】、地段杆号及对应的工作内容。工作任务叙述应()。
A. 简练
B. 准确
C. 简练准确
Your database contains two temporary tablespaces named TEMP and TEMP1. The TEMP tablespace is the default temporary tablespace for the database, and the TEMP1 tablespace was created at database creation. You want to increase the size of the tempfile for the TEMP tablespace and drop the TEMP1 tablespace from the database. The database is not using Oracle-Managed Files (OMF). Which statement must you use to ensure that when you drop the TEMP1 tablespace from the database, its corresponding operating system file is also deleted?()
A. DROP TABLESPACE temp1;
B. DROP TABLESPACE temp1 INCLUDING CONTENTS;
C. DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES;
DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS;
皮亚杰提出,影响发展的因素有()。
A. 成熟
B. 练习和经验
C. 社会性经验
D. 具有自我调节作用的平衡过程