质量事故发生后，（）签发《工程暂停令》。 ["建设单位质控经理","施工单位质控经理","监理单位现场代表","总监理工程师"]
Which of the following is an optional NIM resource for a diskless client?（） ["root","spot","home","paging"]
某人投保年金保险，经过一段时间后保险人每年定期给付，给付与被保险人的生死无关，给付一定年限后自动终止。则年金保险是（）。 ["即期生存年金","即期确定年金","延期生存年金","延期确定年金"]
A user tries to ftp a 3 gigabyte file to an AIX machine at certain times during the day. The file transfer fails at exactly 2,147,483,584 bytes each time. All of the following are probable causes of the failures EXCEPT:（） ["AIX has not been updated to V4","fsize in \/etc\/security\/limits file has not been set to -1","ftp can only transfer files > 2 gig in binary mode","The filesystem is not large-file enabled"]
酸雨是指pH值小于（）的天然降雨和降雪。
课程资源的种类有（）、（）、（）、（）、（）、（）。
