Which three statements about subqueries are true?（） [" A single row subquery can retrieve only one column and one row."," A single row subquery can retrieve only one row but many columns."," A multiple row subquery can retrieve multiple rows and multiple columns."," A multiple row subquery can be compared by using the ">" operator."," A single row subquery can use the IN operator."," A multiple row subquery can use the "=" operator."]
监理机构应在收到争议通知后，在（）天内进行合同争端调解工作。 ["70","84","98","112"]
创业者应具备哪些方面的素质要求？
土地使用权出让可以采用（）方式。 ["协议","招标","划拨","拍卖"]
Which of the following items in a single enclosure Power 770 improves Reliability, Availability, and Serviceability?（） ["Redundant system clocks","Redundant service processors","eDRAM chips have redundant L3 cache","Main memory DIMMs contain a redundant DRAM chi"]
一名成功的创业者应符合哪些方面的要求？
