题目内容
3．Weather in England is unpredictable---it can change in an instant．分析 英格兰的天气是很难预测的，在短期内它变化的很快．
解答 答案：unpredictable．
根据破折号后面的句子it can change in an instant可知，英格兰的天气是变化多端，难以预测的；故答案为unpredictable．
点评 首字母填空题考查的是词汇的记忆和运用能力，平时要注意积累和运用．同时还要注意提示字母．
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3．
A century ago，American political leaders judged public opinions by people's applause and the size of crowds at meeting．This direct exposure to the people's views did not（41）Dproduce accurate knowledge of public opinions．It did，however，give political （42）Fleaders in their public support．
Abraham Lincoln and Stephen Douglas（43）Ceach other seven times in the summer and autumn of 1858，two years before they became presidential nominees （总统候选人）．Their debates took place before（44）Ein cornfields and courthouse squares．A century later most presidential debates，although seen by millions，take place before a few reporters and the technicians in television studios．The public's response cannot be（45）Ifirsthand．This distance between leaders and followers is one of the difficult problems of modern democracy．The media provide information to millions of people，but they are not yet so（46）H at providing leaders with feedback from the public．
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| A．extensive B．appeals C．debated D．necessarily E．audience F．confidence G．delicately H．efficient I．experienced J．withdraw K．decline |
Abraham Lincoln and Stephen Douglas（43）Ceach other seven times in the summer and autumn of 1858，two years before they became presidential nominees （总统候选人）．Their debates took place before（44）Ein cornfields and courthouse squares．A century later most presidential debates，although seen by millions，take place before a few reporters and the technicians in television studios．The public's response cannot be（45）Ifirsthand．This distance between leaders and followers is one of the difficult problems of modern democracy．The media provide information to millions of people，but they are not yet so（46）H at providing leaders with feedback from the public．
Is government by acclamation （欢呼、欢迎） possible when the scale of communication is so large and impersonal？To make up for the（47）K in their ability to experience public opinions for themselves，leaders have turned to science，in particular the science of opinion polling （民意调查）．
It is no secret that politicians and public officials make（48）Ause of public-opinion polls to help them decide whether to run for office，what policies to support，how to vote on important issues and types of（49）B to make in their campaigns．President Lydon Johnson was famous for carrying the latest Gallup and Roper poll results in his pocket，and it is widely believed that he began to（50）J from politics because the polls reported losses in public support．All recent presidents and other major political figures have worked closely with polls．