had cleared up; was
cleared up; had been
was cleared up; had been
has cleared up; was
第1题:
A、it was
B、it has been
C、it had been
D、it was being
第2题:
The living conditions there were hard; they had so much ().
A、to put up
B、for putting up
C、for putting up with
D、to put up with
第3题:
Mary ( ) to go abroad for further education, but she gave it up later.
A、is hoping
B、was hoping
C、had hoped
D、has hoped
第4题:
A. quests
B. views
C. intends
D. takes up
第5题:
Hurry up! The concert __________ for ten minutes.
A、has begun
B、had begun
C、has been on
D、began
第6题:
A liferaft which has inflated bottom-up on the water ______.
A.should be righted by standing on the carbon dioxide cylinder,holding the righting straps and leaning backwards
B.should be righted by standing on the life line,holding the righting straps leaning backwards
C.will right itself when the canopy tube inflates
D.must be cleared of the buoyant equipment before it will right itself
第7题:
第8题:
第9题:
A technician is replacing a processor in a workstation. After installation, the workstation starts up and immediately shuts down; the technician tries to start the workstation several more times and gets the same result. Which of the following is the cause of this issue?()
第10题:
when
which
that
where
第11题:
should be righted by standing on the carbon dioxide cylinder, holding the righting straps, and leaning backwards
should be righted by standing on the life line, holding the righting straps, and leaning backwards
will right itself when the canopy tubes inflate
must be cleared of the buoyant equipment before it will right itself
第12题:
The destination host sends a request to the source for retransmission.
The jam signal indicates that the collision has been cleared.
The hosts will attempt to resume transmission after a time delay has expired.
An electrical pulse indicates that the collision has cleared.
The router on the segment will signal that the collision has cleared.
The hosts will do nothing, as the higher layers are responsible for data error correction and re-transmission.
第13题:
A.fed up with
B.fed up to
C.liking
第14题:
The house ______in bad repair since he moved out.
A、was
B、has been
C、had been
D、was being
第15题:
A.turned up
B.signed up
C.picked up
D.cleared up
第16题:
No sooner had they got the goods covered up ______ it started raining hard.
A、in
B、than
C、then
D、after
第17题:
Had he ________ her promise, she would have made it to Yale University.
A. looked up to
B. lived up to
C. kept up with
D. come up with
第18题:
第19题:
第20题:
On a half-duplex Ethernet LAN, two hosts attempt to send data simultaneously,resulting in a collision. Following this collision, what will the hosts do?()
第21题:
The workstation is not plugged in.
The thermal paste was not applied.
The memory was not installed properly.
The L2 cache was not cleared.
第22题:
had cleared up; was
cleared up; had been
was cleared up; had been
has cleared up; was
第23题:
he had grown up
which had he grown up
in which he had grown up
he had grown up in it
第24题:
should be righted by standing on the carbon dioxide cylinder,holding the righting straps,and leaning backwards
should be righted by standing on the life line,holding the righting straps,and leaning backwards
will right itself when the canopy tubes inflate
must be cleared of the buoyant equipment before it will right itself