用直流电桥测量开关的接触电阻时，电桥指示的电阻随时间的增大而（）。 ["增加","不变","减小"]
Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?（） [" None of the data definition language (DDL) statements are logged in the trace file."," Only DDL commands that resulted in errors are logged in the alert log file."," A new log.xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file."," Only DDL commands that resulted in the creation of new database files are logged."]
有氧耐力训练
Which code， inserted at line 16， correctly retrieves a local instance of a Point object？（） ["Point p = Line.getPoint（）；","Line.Point p = Line.getPoint（）；","Point p = （new Line（））.getPoint（）；","Line.Point p = （new Line（））.getPoint（）；"]
竞争性拮抗剂具有下列特点（） ["使激动药量效曲线平行右移","使激动剂的最大效应降低","竞争性拮抗作用是可逆的","拮抗参数pA2越大，拮抗作用越强","与受体有高度亲和力，无内在活性"]
广州公共汽车561路“柯子岭――车陂”，始末站为“柯子岭”和“车陂”，安排两个站长（基层调度员）分别负责这两个始末站的调度组织工作。设该线路17：00~18：00为高峰期，行车作业方案为高峰期单程运行时间40min，平峰期为35min。某天编号为001的车辆在线运行片段如下：第3车次在18：40从“柯子岭”发车开出，发车间距为5分钟，车辆在19：20到达终点站“火车站”，运行是否正点？
