例十：

It'snowonderthatwehavesomanyrejectionsforphysicalreasonsinourSelectiv

eService.SinceOctoberof1948,somesixmillionyoungmenhavebeenexaminedfor militaryduty.Ofthese,morethanamillionwererejectedasphysicallyunfitfor

militaryservice.Togettwomentoday,theUnitedStatesArmymustcallsevenmen. Ofthefiverejectedthreeareturneddownforphysicalreasonsandtwoformentalp

roblems.Togetthe196thousandadditionalmenweneededforBerlin,thegovernme nthadtocallup750thousandmen.Andtherejectionrateisincreasingeachyear.T

hereasonforthisproblemisthatweareunderexercisedasanation.Welook,inste

adofplay.Weride,insteadofwalk.Thewaywelivepreventsusfrombeinghealthy.    本段中找不到某一句作为主题。根据文中的内容进行归纳，可找出主题思想，即： “Themilitary'srejectionrateforphysicalreasonisincreasingbecausethisn

ation'slackofexerciseisleadingtopoorhealth.”

在确定一篇文章的中心思想时，我们通常用快读的方法，从头至尾将全文浏览一 遍，注意不要被个别词、句难住而停下来。要从上下文的连贯意思上来理解进行 阐述的、有关这个主题我们了解了什么。这样，就可以比较有把握地概括出中心 思想了。

在阅读理解测试中，常常用于检查对主题思想的掌握的问题有：

1.Themain(central,principal)ideaofthispassageis

2.Themainideaofthisselectionmaybebestexpressedas                                   

3.Themaintheme(topic)ofthepassageis                                

4.Thepassageismainlyabout                                 

5.Thispassagedealsmainly(primarily)with                                    

6.Theauthor'spurposeinwritingthispassageis                                       
7.Themainpurposeofthepassageis                                
8.Thebest(mostappropriate)titleof(for)thispassageis                                      
9.Whatwouldbethemostappropriatetitleforthispassage?

10.Whatisthesubjectofthispassage?
11.Whichofthefollowingbestsummarizesthepassage?
12.Whichofthefollowingbestsumsupthemainideaofthewholepassage?
建议大家在平时的阅读练习中进行全文快速浏览，尝试自己提炼和总结文章主旨。 经过一段时间的练习，考试中必然能快速了解整篇文章大意，方便选出正确答案。