A、Had they executed
B、If they have executed
C、If they would execute
D、Have they executed
第1题:
A. promoting
B. promote
C. promised
D. promising
第2题:
Inwhichsituationwillyourunthescriptcontainingthefollowingstatement?()
CREATECONTROLFILEREUSEDATABASESALESNORESETLOGSARCHIVELOG
MAXLOGFILES20
MAXLOGMEMBERS3
MAXDATAFILES30
MAXINSTANCES10
MAXLOGHISTORY1200
LOGFILE
GROUP1(
’/disk1/prod/orders/db/log1a.dbf’,
’/disk2/prod/orders/db/log1b.dbf’
)SIZE100K
GROUP2(
’/disk1/prod/orders/db/log2a.dbf’,
’/disk2/prod/orders/db/log2b.dbf’
)SIZE100K,
DATAFILE
’/disk1/prod/orders/db/database1.dbf’,
’/disk2/prod/orders/db/file1.dbf’;
第3题:
第4题:
We've been looking at houses but haven't found ___we like yet.
A、one
B、ones
C、it
D、them
第5题:
______school is much larger than ______.
A.Our;your
B.Our;yours
C.Ours;yours
D.We;you
第6题:
英文科技论文写作中应该尽量少用或不用I, we, our, 和you等第一、第二人称代词。