[单项选择]There has been a nation-wide shortage of building materials，( )which the trade is only just recove- ring．
A. for
B. on
C. at
D. from

[单项选择]There has been a nation-wide shortage of building materials, ( )which the trade is only just recovering.
A. for
B. on
C. at
D. from

[单项选择] A section of the building has been having intermittent connectivity problems lately. An action plan and solution has been created. Which of the following steps would an administrator perform NEXT?（）
A. Document the solution and process.
B. Establish the most probable cause.
C. Implement and test the solution.
D. Identify additional symptoms and problems

[单项选择]The building of the new road has been ______ by bad weather.
A. held out
B. held to
C. held in
D. held up

[单项选择]The building of the new road has been ________ by bad weather.
A. set down
B. held up
C. kept down
D. stood back

[单项选择]The building of the new road has been________ by bad weather.
A. held off
B. held down
C. held in
D. held up

[单项选择] A new building has been added to the enterprise campus network， providing client access for desktop PCs， laptops， and IP phones for employees and guests. During verification， only a few laptops using  wireless are reported to have problems， while other desktops， IP phones， and most other wireless laptops are fully operational. Additional information received about the problem indicates that， while the problematic wireless laptops cannot reach internal corporate websites， they can reach the Internet.  Where should troubleshooting about this connectivity issue be focused？（）
A. client network configuration
B. VLAN mapping
C. routing protocols
D. first-hop redundancy protocol

[单项选择]Every building has ______.

[单项选择]The hotel under this building has ______ for only forty people; it is far from enough of us.
A. basement
B. lodging
C. board
D. accommodation

[单项选择]The new factory that has been built next to us has ______ the value of our house.
A. demoralized
B. depreciated
C. deterred
D. derailed

[单项选择]She has been in Tianjin for ten years. Tianjin has become her second ______.

[单项选择]The new hotel has erected a beautiful building with recreation areas and conference facilities on the top floor ______ the finest view of the city can be obtained.
A. which
B. in which
C. where
D. of which

[单项选择]I am sure Tom has been here and has done ______.
A. that required him
B. which was required of him
C. what was required of him
D. what has been required him

[单项选择]—Has Lily come —Yes, she has been here for over ten minutes.
A. yet; already
B. already; yet
C. yet; yet
D. already; already

[单项选择]The British Industrial Revolution has been understood to mean the invention and application of various machines, which transformed Britain from a predominantly rural and agricultural country into______.
A. a commercial state
B. a mainly urban and manufacturing country
C. a country with a strong army
D. a country with a large number of consumer cities

[单项选择]Electricity has been found worldwide application since it was discovered．
A. 电自从被发现以来已经得到世界上的广泛申请。
B. 人们发现电在全世界范围内供不应求。
C. 电自从被发现以来已经得到世界范围的应用。
D. 自从电被发现以来已在全世界使用。

[单项选择]The republican movement has been gathering momentum in Australia since became Prime Minister in 1992.
A. John Howard
B. Bob Hawke
C. Malcolm Fraser
D. Paul Keating

[单项选择]Entertainment has been made available to everybody by the cinema, radio and television.
A. 影院、收音机和电视使人人都可以享受各种娱乐。
B. 影院、收音机和电视是每个人的主要娱乐方式。
C. 影院、收音机和电视使娱乐成为每个人的可能。
D. 影院、收音机和电视是每个人能够得到的娱乐。

[单项选择]The present selection has apparently been preceded by some explanation of ______.