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问题 选择题

在比例尺为1：20000的地图上1厘米代表实际距离是      

A．20千米

B．0.2千米

C．200千米

D．2千米

答案

答案：B

题目分析：根据比例尺的定义，比例尺为1：20000，表示1厘米代表实际距离0.2千米。

单项选择题

Questions 58 to 62 are based on the following passage:(10分)　　U.S.jeans maker Levi Strauss&Co.denied it was playing on consumer fears by launching aline of trousers fitted with“anti-radiation(防辐射)”pockets for mobile phones.The trousers,with alining which the makers say shields(防护物)against radiation,are designed by Dockers,a brandname of Levi Strauss.“We are not implying in any way that mobile phones are dangerous.Ourintention is not to cash in on consumer fears but provide the consumers with what they want,”Levi’s Eruopean communications manager Cedric Jungpeter said.The design was the fruit ofextensive market research showing that the fashion conscious was also health conscious.Jungpetersaid.“Thedebate is open.Although no study has proved mobile phones are harmful,no study hasproved the contrary either.”He added.Worldwide studies into the possible dangers of mobilephones produce often conflicting conclusions.A recent one carried out by Australian researchersover a three-year period showed that radio emissions from mobile phones did not trigger the growthof tumors in mice,and thereofre probable did not do so in humans either.And another Australlianstudy concluded cellular phones could foster tumor growth.Swedish research published recentlyconcluded that long-term users of first generation mobile phones faced an up to 80 percent greaterrisk of developing brain tumors than non-users.But a Danish study last year of 400,000 mobilephone users showed no increased cancer risk.

Which of the following statement is NOT true

A．Levi Strauss company bases its products on the extensive market research.

B．Levi Strauss’newly-designed trousers made the mobile phones’possible dangers known to the public.

C．Cedric Jungpeter’s statements aim to maintain Levi Strauss’image.

D．Dockers is one of the famous brands of Levi Strauss.
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问答题 简答题

请简述垃圾短信、伪基站、诈骗等不良信息的通用举报方法？
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