A.Veryoff the volume group
B.Unmount any filesystems on the disk
C.Remove all physical partitions on the disk
D.Unmount mirrored filesystems from the disk
第1题:
A.POPULATE_LIST
B.POPULATE_GROUP
C.POPULATE_LIST_ITEM
D.POPULATE_LIST_FROM_GROUP
E.POPULATE_LIST_ITEM_FROM_GROUP
第2题:
You will want two trees about ten feet apart, from _____ to suspend your tent.
(A) there (C) which
(B) them (D) where
选D
可改写为you will want two tress about ten feet apart, to suspend your tent from.
只要有介词摆在空格之前,选项是which, them ,there ,where肯定是which
介词+which+动词不定式,整体做定语
第3题:
You will want two trees about ten feet apart, from _____ to suspend your tent.
(A) there (C) which
(B) them (D) where
选择D
可改写为you will want two tress about ten feet apart, to suspend your tent from.
只要有介词摆在空格之前,选项是which, them ,there ,where肯定是which
介词+which+动词不定式,整体做定语
第4题:
若查询的结果仅限于平均分数超过80分的,则应( )。A.在GROUP子句的下一行加入:HAVING AVG(grade)>80B.在GROUP子句的上一行加入:HAVING AVG(grade)>80C.在FROM子句的下一行加入:HAVING AVG(grade)>80D.在FROM子句的上一行加入:HAVING AVG(grade)>80
第5题:
____ quite recently, most mothers in Britain did not take paid work outside the home.
(A) Before (C) From
(B) Until (D) Since
选C
重新调整句子顺序就明白了:
Most mothers in Britain did not take paid work outside the home until quite recently.
意思:
英国大多数的母亲们直到最近才到外面从事有薪水的工作。
not...until...直到......才......
第6题:
对由SELECT--FROM—WHERE—GROUP--ORDER组成的SQL语句,其在被DBMS处理时,各子句的执行次序为()
A.SELECT—FROM—GROUP—WHERE—ORDER
B.FROM——SELECT--WHERE——GROUP——ORDER
C.FROM——WHERE——GROUP——SELECT——ORDER
D.SELECT——FROM——WHERE——GROUP——ORDER