食品企业应()对合格供应商至少进行一次评价,评价内容包括质量安全稳定性、物资交付及时

题型:单项选择题

问题:

食品企业应()对合格供应商至少进行一次评价,评价内容包括质量安全稳定性、物资交付及时性、服务情况以及相关资质证明文件的有效性等。

A、每月

B、半年

C、每年

D、二年

考点:食品安全知识竞赛食品安全知识竞赛题库
题型:单项选择题

若当前正在执行的指令所在存储器单元的地址为2000H,基址寄存器的内容为4000H,变址寄存器的内容为22ADH,指令的地址码部分为11H。如果采用相对寻址方式,则操作数的实际地址为 (19) ;如果采用相对基址加变址寻址方式,则操作数的实际地址为 (20)

A.82ADH

B.22BEH

C.62BEH

D.62ADH

题型:单项选择题

淋巴结结核最多见于()

A.颈部

B.枕部

C.耳后

D.耳前

E.锁骨上

题型:单项选择题

现有一实验,具体步骤如下:

①把盆栽的银边天竺葵放在黑暗处一昼夜.

②用不透光的黑纸把一片叶的一部分从正面和背面盖住,然后移到阳光下,照射3至4小时.

③剪下遮光的叶片,去掉黑纸.

④将叶片放在盛有酒精的小烧杯中,再放入大烧杯内隔水加热,叶片逐渐由绿色变成黄白色.

⑤取出叶片,用清水漂洗干净后放在培养皿里,向叶片上滴加碘液.

⑥稍停片刻,用清水冲洗掉碘液.

根据以上实验步骤回答:

(1)步骤①的作用______.

(2)步骤④中酒精的作用______.

(3)进行遮光处理的目的是______.

(4)叶片未遮光的部分变成______色,原因是______.

(5)叶片遮光部分呈______色,原因是______.

(6)天竺葵叶片的银边颜色没有变蓝,说明______.______

(7)把叶片切成薄片制成装片,放在显微镜下观察发现,细胞中分散的被染成蓝色的结构是______.

(8)这个实验证明了光合作用的产物是______,条件是______和______.

题型:单项选择题

某校开展了以“纪念新中国成立60周年”为主题的读书活动,以激发学生的爱国热情,增强其历史使命感和责任感。这表明

A.文化能促进社会的全面发展

B.文化对人具有潜移默化的影响

C.有文化知识才会有崇高的道德

D.文化对人的发展起决定性作用

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.

3()

A.Advertising

B.Marketing

C.Sales

D.Promotion

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