第1题:
Speaker A: I'm tired. Maybe we can finish it tomorrow.
Speaker B:__________ We could do it first thing tomorrow morning.
A. Why not!
B. Can we?
C. You sure'?
D. Shall we?
第2题:
A it might be time to stick to original business model ;
B it might be time not to change company model ;
C it might be time to ditch our old business model and go public
第3题:
第4题:
If we work with a strong will, we can overcome any difficulty, what great it is.()
第5题:
27.If we travel by car ,we_________.
A. can't travel fifty or one hundred miles a day
B. can-t stop at a hotel to spend the night
C. can make our own timetable '
D. can travel to a very far place in several minutes
第6题:
第7题:
第8题:
第9题:
Which three statements are true about the appliance of QoS models?()
第10题:
the DiffServ model requires applications to signal the network with QoS requirements
the DiffServ model can be used to deliver QoS based upon IP precedence, or source and destination addresses
the DiffServ model requires RSVP
the best effort model is suitable for applications such as file transfer and e-mail
the IntServ model requires applications to signal the network with QoS requirements
the IntServ model model attempts to deliver a level of service based on the QoS specified by each packet
第11题:
nor can we afford it
neither can afford it
nor we can afford it
neither we can afford it
第12题:
Only by working hard we can
By only working hard we can
Only by working hard can we
Only we can by working hard
第13题:
We are quite sure that we can ______our present difficulties and finish the task according to schedule.
A)get across B)get over C)get away D)get off
我们相当肯定,我们可以战胜目前的困难按时完成任务根据时间表。
选A
第14题:
A.pride
B.pleasure
C.interest
D.consideration
第15题:
By no means ______ destroy or create energy.
A、we shall
B、shall we
C、can’t we
D、we can
第16题:
OSI is a theoretical model that shows how any two different systems can communicate with each other. Router, as a networking device, operate at the ______ layer of the OSI model.
A.transport
B.application
C.network
D.physical
第17题:
第18题:
第19题:
第20题:
When we write, we must write as()as we can.
Acareful
Bcarefully
Cmore careful
Dmore carefully
第21题:
can we learn
we can learn
we learn can
that we can learn
第22题:
where can we go
where we can go
how we can go
how can we go
第23题:
are; small
is; smaller
is; small
are; smaller