采样时，应使样品的温度保持在（）以下 ["60℃","50℃","40℃"]
Given the following directory structure: bigProject --source --Utils.java --classes -- And the following command line invocation: javac -d classes source/Utils.java Assume the current directory is bigProject,what is the result? （） ["If the compile is successful, Utils.class is added to the source directory.","The compiler returns an invalid flag error.","If the compile is successful, Utils.class is added to the classes directory.","If the compile is successful, Utils.class is added to the bigProject directory."]
转K3型和槽钢制动梁检修限度均为（）。 ["1521～1527mm","1523～1530mm","1523~1534mm","1520～1528mm"]
按GB7588-2003《电梯制造与安装安全规范》规定，电梯额定速度为0.63m/s，选用不可脱落滚柱式瞬时安全钳，限速器的动作速度最小为（）；最大为1.5m/s。 ["0.72m\/s","0.8m\/s","1.0m\/s","1.25m\/"]
A customer SAN environment has undergone significant growth over the past two years. They havealso suffered a high turnover rate with administrative personnel. The customer has asked a storage specialist for help in documenting and understanding their changing SAN environment. The ability to make configuration changes to devices would be a plus. Which tool should the storage specialist suggest（） ["Visio","TPC Basic Edition","IBM Tivoli NetView","Fabric Manager"]
体育教学的分组形式有一（）、（）、（）、（）、（）和（）等。
