[单项选择]There should be room for programs of world news within children's ______ .


A. range
B. scope
C. room
D. sight

[单项选择]There should be room for programs of world news within children's ______ .

[单项选择]There is no sign that the world economic crisis will lessen in the next few months，although a certain degree of recovery is in sight．
A. 尽管没有人认为未来几个月内世界经济危机会消失，但是在一定程度上的复苏是肯定的。
B. 尽管世界经济复苏的迹象是肯定的，但是未来几个月内经济危机缓和的现象还不很明显。
C. 尽管已经显现出一定程度的经济复苏，但没有迹象表明世界经济危机在未来几个月会减缓。
D. 尽管没有人承认未来几个月内世界经济危机会触底，但我们肯定会看到世界经济的复苏。

[单项选择]The customer ______ requested a nonsmoking room with a view of the beach and harbor.


A. specifies
B. specific
C. specifics
D. specifically

[单项选择]According to the news, the world's highest railway climbs to more than ______.above sea level.


A. 2,500 meters
B. 5 kilometers
C. 1,500 meters
D. 500 meters

[单项选择]This room is used （） a reading room.
A. as
B. for
C. by
D. in

[单项选择]下列哪种组织成分或器官在T₁WI及T₂WI上均为高信号
A. 空气
B. 肝
C. 脂肪
D. 水
E. 钙化

[单项选择]This room is ______ that room.

[单项选择]Wi-Fi联盟制定的安全认证方案WPA（Wi-Fi Protected Access）是（）标准的子集。
A. IEEE 802.11
B. IEEE 802.11a
C. IEEE 802.11b
D. IEEE 802.11i

[单项选择]Wi-Fi联盟制定的安全认证方案WPA(Wi-Fi Protected Access)是______标准的子集。
A. IEEE 802.11
B. IEEE 802.11a
C. IEEE 802.11b
D. IEEE 802.11i

[单项选择]

The new global satellite communications systems will offer three kinds of service, which may overlap in many different kinds of receivers.
VOICE. Satellite telephones will be able to make calls from anywhere on the earth to anywhere else. That could make them especially useful to remote, third world villages (some of which already use stationary satellite telephones), explorers and disaster-relief teams. Today’s mobile telephones depend on earth-bound transmitters, whose technical standards vary from country to country. So business travelers cannot use their mobile phones on international trips Satellite telephones would make that possible.
MESSAGING. Satellite massagers have the same global coverage as satellite telephones, but carry text alone, which could be useful for those with laptop computers. Equipped with a small screen like today’s papers, satellite messages will also receive short messages.
TRACKING. Voice and messaging systems will
A. laptop computer users
B. remote villages
C. disaster-relief teams
D. all above