对护扳长度大于或等于750mm的对开三通（对开四通）进行纵向直焊缝的焊接时，每道焊缝应至少（）名焊工同时施焊。 ["2","3","4","1"]
Examine the description of the STUDENTS table: STD_ID NUMBER(4) COURSE_ID VARCHARD2(10) START_DATE DATE END_DATE DATE Which two aggregate functions are valid on the START_DATE column?（） [" SUM(start_date)"," AVG(start_date)"," COUNT(start_date)"," AVG(start_date, end_date)"," MIN(start_date)"," MAXIMUM(start_date)"]
幼儿园工作计划，从计划覆盖的范围分，可以分为（）这几类。 ["全园工作计划","各部门计划","临时性工作计划","个人计划"]
监理单位不得与项目法人或者被监理单位弄虚作假降低工程质量。
Given: What is the output?（） ["42","420","462","42042","Compilation fails.","An exception is thrown at runtime."]
能够使细菌和放线菌裂解的是（）。
