圆柱面过盈连接的方法有压入法，热胀配合法和（） ["打入法","冷缩配合法","挤入法","推进法"]
Which type of backup contains only the blocks that have changed since the last level 0 incremental backup?（） [" a cumulative level 1 backup"," a differential level 1 backup"," a full backup"," a whole backu"]
园林用水类型
社会保险基金存入财政专户，具体管理办法由国务院规定。
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."]
变配电所的主接线是指变配电所（）与电力网相联接的方式。
