10．In the United States，train transportation is unpopular compared with cars and airplanes．Most people like traveling by car or by air．Officials of the United States Department of Transportation made a study in 2001．The study is about how many miles Americans traveled by different means of transportation．They only studied trips longer than 50 miles．The study showed that fifty-six percent of all miles were traveled in personal vehicle．Forty-one percent were traveled in an airplane．Two percent were traveled in a bus．And less than one percent of miles were traveled in a train．Amtrak is the national provider of train transportation in the United States．In the past ten years，the number of its passengers has increased by eighteen percent．Although the number of passengers has increased，it is still very small now．In countries such as France，Germany，or Japan，more people use trains．There are several reasons why many people ________________________．
Firstly，Americans love to drive their own cars．On highways，cars can travel as fast as trains．These highways connect all major cities in America．Secondly，many travelers like to be independent．When they use their own cars they can decide when to travel．Thirdly，many buses travel between major cities．Bus travel is less costly than train travel．In a huge country like the United States，cities are far away from each other．In some cases，travel from one city to another by train may take more than a day．Airplanes can carry passengers over long distances much faster．People who do not want to spend long time traveling by train decide to fly．For these people saving time is the most important thing．
76．What is the best title of the passage？（Please answer within 8 words）
Train transportation in the USA is less popular．
77．What does the underlined word"it"refer to？（ Please answer within 4 words）
The number of passengers
78．Fill in the blank with proper words．（ Please answer within 6 words）
don't like to travel by train
79．Complete the following statement according to paragraph 2．（ Please answer within 6 words）
When they use their own cars they arefree to decide the departure time
80．Why American people have to travel a long time if they go from one city to another？（Please answer within 10 words）
Because cities in America are far away from each other．．

分析 本文講述了在美國，火車旅行不如私家車和公交車旅行那么流行的現(xiàn)狀并對原因進行了闡述．

解答 76 Train transportation in the USA is less popular．
77 The number of passengers．
78  don't like to travel by train
79  free to decide the departure time
80  Because cities in America are far away from each other．

76 Train transportation in the USA is less popular．主旨大意題．文章屬于總分式結(jié)構(gòu)，對于寫標題的題目需要在總的結(jié)構(gòu)段落中進行尋找．從第一段In the United States，train transportation is unpopular compared with cars and airplanes．可知，文章主要講的是美國的火車運輸業(yè)不是很受歡迎．故答案可為Train transportation in the USA is less popular．
77 The number of passengers．猜測詞義題． 根據(jù)第一段Although the number of passengers has increased講到了盡管乘客數(shù)量有所增加，但是仍是相當少的數(shù)量．故it指代乘客的數(shù)量The number of passengers．
78  don't like to travel by train 細節(jié)題．下文提到了美國人不喜歡火車旅行的三點理由，所以此處應(yīng)填為什么很多人不喜歡乘火車旅行的原因．即don't like to travel by train
79  free to decide the departure time 細節(jié)題．根據(jù)第二段When they use their own cars they can decide when to travel．可知之所以喜歡自己開車的原因是可以自由決定何時開始旅行，即可以自行決定何時出發(fā)．即free to decide the departure time．
80  Because cities in America are far away from each other．細節(jié)題．根據(jù)第二段In a huge country like the United States，cities are far away from each other．可知，之所以要花費很多時間的原因是由于兩個城市距離太遠．即Because cities in America are far away from each other．

點評 本文不難，對于此類說明文類型的文章，圍繞一個中心而寫，所以主旨比較鮮明，對把握主旨應(yīng)該問題不大．答題過程中要結(jié)合題目在文章中找到對應(yīng)的出處，一般說明文的題目都在文章唯一能找到答案不需要自己去概括，所以只需結(jié)合題目和文章就可以迎刃而解了．

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