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下列关于高千伏摄影叙述,不正确的是

A、散射线多
B、利于患者防护
C、可延长球管寿命
D、降低照片清晰度
E、可获得低对比照片
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正确答案:

D

答案解析:

暂无解析

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翻译:

最近,一些地方大学开始将方言列为某些学生的必修课程,学生们要学习当地方言,然后被评分以作为毕业的依据之一。一方面,支持此种做法的人认为,将方言列为必修课可防止其消失,从而使当地传统文化和文化多样性得以弘扬,同时城市独特的个性得以保留。另一方面,反对此种做法的人争论说,当地学生与外地学生相比有很多绝对优势,因此将方言列为必修课会引起教育不公平的问题。而且,将方言列为必修课程还会引起一些其他问题,如教材使用、师资问题和考试标准等。在我看来,方言作为传统文化不可缺少的一部分和一种交流工具,可以让学生自愿学习和使用,而不是强制完成。

Themotheralmost____whenshelearnedthathersonwasshotdead.

Itisnecessarythatthestudents____moreexcercisestodo.

Thetouristtradeisbooming.Withallthiscomingandgoing,you'dexpectgreaterunderstandingodevelopbetweenthenationsoftheworld.Notabitofit!Superbsystemsofcommunicationbyair,seaandlandmakeitpossibleforustovisiteachother'scountriesatamoderatecost.Whatwasoncethe'grandtour',reservedforonlytheveryrich,isnowwithineverybody'sgrasp?

Thepackagetourandcharteredflightsarenottobesneeredat.Moderntravelersenjoyalevelofcomfortwhichthelordsandladiesongrandtoursintheolddayscouldn'thavedreamedof.Butwhat'sthesenseofthismassexchangeofpopulationsifthenationsoftheworldremainbasicallyignorantofeachother?

Manytouristorganizationsaredirectlyresponsibleforthisstateofaffairs.Theydeliberatelysetouttoprotecttheirclientsfromtoomuchcontactwiththelocalpopulation.Themoderntouristleadsacosseted,shelteredlife.Helivesatinternationalhotels,whereheeatshisinternationalfoodandsipshisinternationaldrinkwhilehegazesatthenativesfromadistance.Conductedtourstoplacesofinterestarecarefullycensored.Thetouristisallowedtoseeonlywhattheorganizerswanthimtoseeandnomore.Astrictschedulemakesitimpossibleforthetouristtowanderoffonhisown;andanyway,languageisalwaysabarrier,soheisonlytoohappytobeprotectedinthisway.Atitsveryworst,thisleadstoanewandhideouskindofcolonization.

Thesummerquartersoftheinhabitantsoftheciteuniversitaire:aretemporarilyreestablishedontheislandofCorfu.BlackpoolisrecreatedatTorremolinoswherethetravelergoesnottoeatpaella,butfishandchips.Thesadthingaboutthissituationisthatitleadstothepersistenceofnationalstereotypes.Wedon'tseethepeopleofothernationsastheyreallyare,butaswehavebeenbroughtuptobelievetheyare.Youcantestthisforyourself.Takefivenationalities,say,French,German,English,AmericanandItalian.Nowinyourmind,matchthemwiththesefiveadjectives:musical,amorous,cold,pedantic,native.Farfromprovidinguswithanyinsightintothenationalcharacteristicsofthepeoplesjustmentioned,theseadjectivesactuallyactasbarriers.Sowhenyousetoutonyourtravels,theonlycharacteristicsyounoticearethosewhichconfirmyourpreconceptions.Youcomeawaywiththehighlyunoriginalandinaccurateimpressionthat,say,'Anglo-Saxonsarehypocrites'ofthat'Latinpeoplesshoutalot'.Youonlyhavetomakeafewforeignfriendstounderstandhowabsurdandharmfulnationalstereotypesare.Buthowcanyoumakeforeignfriendswhenthetouristtradedoesitsbesttopreventyou?Carriedtoanextreme,stereotypescanbepositivelydangerous.Wildgeneralizationsstirupracialhatredandblindustothebasicfact〞howtriteitsounds!每Thatallpeoplearehuman.Weareallsimilartoeachotherandatthesametimeallunique.

1.Thebesttitleforthispassageis

[A]Tourismcontributesnothingtoincreasingunderstandingbetweennations.

[B]Tourismistiresome.

[C]Conductedtourisdull.

[D]Tourismreallydoessomethingtoone'scountry.

2.Whatistheauthor'sattitudetowardtourism?

[A]apprehensive.[B]negative.[C]critical.[D]appreciative.

3.WhichwordinthefollowingisthebesttosummarizeLatinpeopleshoutalot?

[A]silent.[B]noisy.[C]lively.[D]active.

4.Thepurposeoftheauthor'scriticismistopointout

[A]conductedtourisdisappointing.

[B]thewayoftouringshouldbechanged.

[C]whentraveling,younoticecharacteristicswhichconfirmpreconception.

[D]nationalstereotypesshouldbechanged.

5.Whatis'grandtour'now?

[A]moderatecost.

[B]localsight-seeingisinvestigatedbythetouristorganization.

[C]peopleenjoythefirst-ratecomforts.

[D]everybodycanenjoythe'grandtour'

Perhapsthecustomerhas____hismonthlystatementandnotpaidthebill.

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