从工作频段,数据传输率,优缺点及它们之间的兼容性等方面,对IEEE802.11a,8

题型:问答题

问题:

从工作频段,数据传输率,优缺点及它们之间的兼容性等方面,对IEEE802.11a,802.11b,802.11g进行比较。

考点:计算机软件水平考试中级网络工程师网络工程师
题型:问答题


Affordable Boutique Hotels in New York City
By STEPHEN HEYMAN    June 20, 2010
A new breed of hotels is trying to stand out from the masses with designer details, memorable allowances and prices around $250 a night.
Welcome to Boutique Hotel.

To Get Those Summer Tickets in New York, Strategize
By FELICIA R. LEE        May 28, 2010
“The Merchant of Venice” is on show. Tickets can now be requested online, Most New Yorkers know the drill: on the day of the show, line up outside the Theater in Central Park several hours before 1 p.m., when free tickets start being handed out.

Climbing the Walls in Brooklyn
By LOUISE STORY         May 28, 2010
Since opening last fall, Brooklyn Boulders, an 18,000-square-foot gym, has become a destination for New York rock climbers of all levels.

Hotel Review: Ace Hotel, New York
By FRED A. BERNSTEIN    September 27, 2009
The owners are hoping that guests will enjoy the spacious accommodations, but that depends on whether they find the hotel’s oddities off-putting or endearing.

Tent City: A Child’s Urban Adventure
By ERIC KONIGSBERG     July 24, 2009
One of the better-kept secrets of the city is the series of one-night family campouts that the Parks & Recreation Department has every summer weekend.
小题1:If you want to stay in a hotel in New York City for a week and enjoy designer details, memorable allowances, you need to get prepared for at least____________.
A.$ 1550B.$ 1650C.$ 1750D.$ 1850
小题2:___________ is a good destination for New York rock climbers of all levels.
A.the Parks & Recreation DepartmentB.Brooklyn Boulders
C.Lower ManhattanD.Tent City
小题3:Suppose you are interested in Shakespeare’s plays, you may pay attention to more details written by _________.
A. ERIC KONIGSBERG                    B. LOUISE STORY   
C. FRED A. BERNSTEIN                  D. FELICIA R. LEE
题型:问答题

哪种疾病不属于胃癌癌前疾病()

A.慢性萎缩性胃炎

B.胃溃疡

C.胃粘膜巨大皱襞

D.胃息肉

E.残胃

题型:问答题

认证机构应在颁发认证证书后的()年内对获证的受审核方进行定期监督审核或复审。

(A)一年

(B)二年

(C)三年

(D)五年

题型:问答题

上颌前磨牙近远中径在( )宽而( )窄,开髓时应注意窝洞的形态和位置,防止从近中面或远中面穿孔;其( )髓角较高,补牙备洞时应避免穿通;髓室底较深,开髓时勿将暴露的( )误认为是根管口。

题型:问答题

下面哪个不是电话营销的营销职能()。

A.客户服务

B.获取销售线索

C.组织研讨会和会议邀请

D.获取各种信息

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