对
错
第1题:
When sending emails to professionals, you should take the time to check your message for spelling errors and to proofread your text.()
第2题:
The woman felt badly hurt because she______.
A.gave many gifts to the man
B.spent a lot of time with the man
C.failed to find true love from the man
D.spent too much money on the phone
第3题:
Many people watched the boys()the mountain at that time.
Aclimb
Bclimbing
Cto climb
Dclimbed
第4题:
变量v_time=’23-MAY-00’, 如下那条语句返回值为’01-JAN-00’?()
第5题:
第6题:
strength
dense
percentage
velocity
第7题:
Right
Wrong
Doesn’t say
第8题:
对
错
第9题:
对
错
第10题:
when you want to restore an important table that is dropped from the Recycle Bin
when you want to obtain the SQL statements to undo the deletion of some important records from a table by a transaction
when you want to restore a dropped user’s schema
when a row of a table is updated many times within a specific time period and you want all the versions of the row in the specified time period
第11题:
Most
change
from time to time
its
第12题:
第13题:
我爷爷和奶奶的身体很好。他们还时不时地外出旅游。(from time to time)
第14题:
______ covers the period from the time when the goods are loaded on to the time they are discharged from the ship.
A.Carriage of goods
B.Taking cargo on board
C.Care for cargo
D.Taking delivery of
第15题:
What is the best description of serialization delay? ()
第16题:
In which scenario will you use the Flashback Transaction Query feature?()
第17题:
get up from our chairs and move from time to time
cut down on the time that we spend watching TV.
try to walk to work or school if possible
take less exercise since it is a waste of time
第18题:
60°
135°
180°
360°
第19题:
Monitor disk errors and manage storage complexes
Monitor disk errors and invoke point-in-time copy
Invoke point-in-time copy and initiate a storage unit shutdown
Invoke point-in-time copy and manage storage complexes
第20题:
对
错
第21题:
the time it takes for a Layer 3 switch or a router to switch a packet from an inbound interface to the queue of the outbound interface
the time it takes for a propagate from source to destination
the time it takes to place a frame on the physical medium for transport
the time a packet resides in the outbound queue of a router
第22题:
the time required from receipt of the incoming frame, until the frame/packet has been queued for transmission
the time taken for a single packet to traverse the physical medium from one end to the other
the time taken to place a frame on the physical medium for transport
the time spent for a packet to reside in the output queue of a router
第23题:
select round(v_time,’DAY’) from dual
select round(v_time,’YEAR’) from dual
select round(v_time,’MONTH’) from dual
A select round(to_char(v_time,’yyyy’)) from dual
第24题:
A
B
C
D