ow battles are fought and won in us politics—with carefully-worded one—liners(一行字幕新闻)made for tv which often lack substance and clarity(清楚度)．
“the amount of information that candidates attempt to communicate to people is actually geeing smaller and smaller，”said mark smith，a political science professor at cedarville university．this has been accompanied by a changing media environment，smith said．in 1 968，the average tv or radio sound bite(演讲中的句子或短语)was 48seconds，according to smith．in 1996，the average sound bite had shrunk(缩短)to 8 seconds．thus，politicians wanting publicity try to make their public communication as quotable as possible．
campaigning politicians also use 30-second tv ads and clever campaign slogans(口号)to boost their messages．republican presidential candidate john mccain rides to campaign stops in a bus named the” straight-talk express"．mccain hopes the name will convince voters he plans to tell people the troth-whether it's in fashion or not．democratic presidential candidate hillary clinton，on the other hand，has chosen the campaign slogan“let the conversation begin”．she hopes it will help her appear open-minded and friendly．
but one-liners，tv ads and campaign slogans all have a single key ingredient：something commonly called political“spin”．brooks jackson，a former journalist and the current director of the non—partisan(无党派的)website fact check．org，calls spin” just a polite word for deception(欺骗)."
"i do believe that very often politicians believe their own spin，"said jackson．
"strong partisans suffer from a universal human tendency：they ignore the evidence that would force them into the uncomfortable position of having to change their minds and admit that they were wrong。"
41. which statement is not true of one-liners?
a. they contain a lot of information。
b. they are unclear．
c. they lack substance．
d. they are carefully constructed．
42. what changed from 1968 to 19967
a. publicity．
b. information．
c. the average sound bite．
d. communication．
43. the campaign slogan” straight-talk express” aims at convincing voters that the presidential candidate is
a. friendly．
b. honest．
c. open．minded．
d. warm-headed．
44. according to brooks jackson，all campaign slogans are
a. attractive．
b. impressive．
c. informative．
d. deceptive．
45. which statement best describes strong partisans?
a. they are very funny．
b. they are very healthy．
c. they are very stubborn(顽固的)．
d. they are very aggressive
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bomb explosions in thailand
the new year celebration in thailand was shattered by violence，when nine bombs exploded across bangkok amend midnight．three thai citizens were killed and more t
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