以下内容不属于VBA提供的数据验证的函数是( )。A.IsText B.lsDat

题型:单项选择题

问题:

以下内容不属于VBA提供的数据验证的函数是( )。

A.IsText

B.lsDate

C.IsNumeric

D.IsNull

考点:计算机等级考试ACCESS二级ACCESS笔试91
题型:单项选择题

宋代最有影响的诗派是()。

A.江湖诗派

B.四灵诗派

C.江西诗派

D.尊唐派

题型:单项选择题
直接写出得数
410-210=
2
15
+
3
15
=
72.8÷0.8=1
1
2
×
1
3
=
1.375-1
3
8
=
3
5
÷60%
=
1.25×
4
5
×8
=
5.2+0.54+0.46=
题型:单项选择题

用64K×8的RAM芯片和32K×16的ROM芯片设计一个256K×16的存储器,地址范围为00000H~3FFFFH,其中ROM的地址范围为10000H~1FFFFH,其余为RAM的地址。则地址线为 (1) 根,数据线为 (2) 根;ROM需要 (3) 片,RAM需要 (4) 片。

CPU执行一段程序时,Cache完成存取的次数为5000次,主存完成存取的次数为200次。已知Cache的存取周期为40ns,主存的存取周期为160ns。其两级存储器的平均访问时间为 (5) ns。

(5)处填()。

A.41

B.0.96

C.44.8

D.48

题型:单项选择题

Until the late 1940s, when television began finding its way into American homes, companies relied mainly on print and radio to promote their products and services. The advent of television (1) a revolution in product and service. Between 1949 and 1951, advertising on television grew 960 percent. Today the Internet is once again (2) promotion. By going online, companies can communicate instantly and directly with prospective customers. (3) on the World Wide Web includes advertising, sponsorships, and sales promotions (4) sweepstakes, contests, coupons, and rebates. In 1996 World Wide Web advertising revenues (5) $ 300 million.

Effective online marketers don’t (6) transfer hard-copy ads to cyberspace. (7) sites blend promotional and non-promotional information indirectly delivering the advertising messages. To (8) visits to their sites and to create and (9) customer loyalty, companies change information frequently and provide many opportunities for (10) .

A prototype for excellent (11) promotion is the Ragu Web site. Here visitors can find thirty-six pasta recipes, take Italian lessons, and view an Italian film festival, (12) they will find no traditional ads. (13) subtle is the mix of product and promotion that visitors hardly know an advertising message has been (14) . Sega of America, maker of computer games and hardware, uses its Web site for a (15) of different promotions, such as (16) new game characters to the public and supplying Web surfers the opportunity to (17) games. Sega’s home page averages 250,000 visits a day. To heighten interest in the site, Sega bought an advertising banner on Netscape (18) increasing site visits by 15 percent. Online (19) in Quaker Oats’ Gatorade promotion received a free T-shirt in exchange for answering a few questions. Quaker Oats reports that the online promotion created product (20) and helped the company know its customers better.

5()

A.arrived

B.topped

C.overcame

D.descended

题型:单项选择题

葡萄胎处理,下述哪项是错误的

A.一经确诊,应尽快清宫
B.必要的第二次刮宫
C.宫腔内刮出物病理检查
D.术后严密随访至妊娠试验(-)为止
E.嘱患者术后避孕二年

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