下列哪种情形合同无效（） ["恶意串通，损害国家、集体或者第三人利益","以合法形式掩盖非法目的","损害社会公共利益","违反法律、行政法规的强制性规定"]
如果一个班只能有一个班长，而且一个班长不能同时担任其他班的班长，班级和班长两个实体之间的关系属于（）。 ["一对一联系","一对二联系","多对多联系","一对多联系"]
投标文件应当对招标文件（）实质性内容作出响应。 ["工期","投标有效期","技术标准","投标保证金","质量保证金"]
Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 （SP2）. You have two servers named Server1 and Server2. Server2 is on an isolated network segment. Both servers run Windows Server Update Services （WSUS） 3.0 and have the same WSUS configurations. You copy the WSUS updates from Server1 to Server2. You need to ensure that Server2 has the same WSUS approvals as Server1. What should you do？（） ["On Server1， run wsusutil.exe and use the export parameter. On Server2， run wsusutil.exe and use the import parameter.","On Server1， run wsustil.exe and use the movecontent parameter. On Server2， run wsustil.exe and use the movecontent parameter.","On Server1， export the HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Update Services\\Server\\Setup registry key. On Server2， import the registry key.","On Server1， create a backup of the %systemdrive%\\WSUS\\ folder. On Server2， restore the backup."]
侦查终结的条件是（） ["犯罪事实清楚、证据确实充分","犯罪性质和罪名认定正确","没有发现遗漏罪行和其他依法应当追究刑事责任的人","法律手续完备"]
催产素分泌和释放部位是什么？生理作用有哪些？
