although
because
if
since
第1题:
--- __________?
--- Two years ago.
A. Where did he go
B. How long has he been in America
C. When did he go to America
第2题:
A、were/ and
B、are/ except
C、was/ besides
D、is/ but
第3题:
How long has your daughter been missing?
().
A. I miss my daughter a lot.
B. We haven't seen each other for two months.
C. About half an hour. I've been looking for her everywhere.
第4题:
Two business partners have recently been connected via a dedicated extranet. It has been discovered that each of the companies are using the same private IP address space.Which of the following will help to resolve potential routing issues?()
A.Multicast
B.PAT
C.CIDR
D.NAT
第5题:
第6题:

第7题:
A systems administrator has a high performance server with a file share full of data that has not been used in a long time, but is still important and might be used in the future. Which of the following should they do to reclaim the space off the high performance server?()
第8题:
adding small amounts of oil to the system
the system has been overheated
the system has been drained and then filled with new oil
the system has been idle for a long period of time
第9题:
resistance
weight
speed
displacement
第10题:
out of order
out of date
out of danger
out of use
第11题:
As long so
So long
As long
So long as
第12题:
Microsoft has been through a bruising battle with antitrust regulators.
Mr. Gates’s position as the industry’s figurehead has been challenged.
The computer industry is currently having a hard time.
Mr. Gates has earned 870 billion US dollars over the last two decades.
第13题:
A、have sold
B、have been sold
C、has sold
D、has been sold
第14题:
Are you going on holiday for a long time? ()
A. It was a long time.
B. Two weeks ago.
C. No. Only a couple of days.
第15题:
A、It was a long time.
B、Two weeks ago.
C、No. Only a couple of days.
D、Not long time ago.
第16题:
第17题:

第18题:
A:Hello, David! I haven't heard from you for a long time. How have you been recently? B:()
第19题:
Two business partners have recently been connected via a dedicated extranet. It has been discovered that each of the companies are using the same private IP address space. Which of the following will help to resolve potential routing issues?()
第20题:
第21题:
leaves; has gone
left; has been away
leaves; has been away
left; has gone
第22题:
Our derrick has been out of use for a long time.
Our heavy derrick has been out of use for a long time.
Our crane has been out of use for a long time.
Our winch has been out of use for a long time.
第23题:
turned into a steelworks from a woodland and an energy park.
in use as an energy park .
disused for a long period of time .
out of use for a short period of time .
第24题:
although
because
if
since