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问题 解答题

某一天，出租车司机黄师傅在东西走向的汉中大道上接送乘客，若规定向东为正，向西为负，出租车的行车里程如下（单位：km）：  +15,－4, +17, －14, －10, +3, －13, － 17. 

(1)将最后一名乘客送到目的地时，黄师傅距出发地点的距离是多少千米？  

(2)若汽车的耗油量大约为0.12 L/km，那么这天汽车共耗油约多少升？

答案

解：

(1)+15-4+17-14-10+3-13- 17= -23(km)

答：黄师傅离出发点向西23 km

(2) (L)

答：这天汽车共耗油约11.16升.

单项选择题

驾驶车辆进入高速公路加速车道后，应尽快将车速提高到每小时多少公里以上？

A．30

B．40

C．50

D．60
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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.

4（）

A.like

B.about

C.as

D.on
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