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1、Unit1 Talesoftheunexplained(B卷)(对应学生用书第271页)Ⅰ.阅读理解(2017年河北石家庄高三复习教学质量检测(二))It'scoldanddarkoutside,andyourbedissowarmandcomfortable.Goingforarunseemslikesuchabadidea.Butbeforeyouhideyourrunningshoes,itmightbeworthgivingthatcrazyideaago.AccordingtoTheHuffingtonPost,anoutdoorrun
2、inwinter,asopposedtooneonatreadmill(跑步机),burnsmorecaloriesbecausethebodyisworkinghardtoregulate(调节)itscoretemperature.Furthermore,researchshowsthatracetimesarefasterincoldweatherthaninwarmertemperatures－andquickerrunsburnmorecalories.Similarly,coldweatheralsomakestheheartwork
3、hardertodistributebloodthroughthebody,makingthatvitalmuscleevenstronger.Outdoorexercisealsoturnsupyourenergyandridsyouofthestressanddepressionthatbuildupeveryday.Theheatandhumidityinsummercandragyoudownandtireyoufaster,butcoldweatherisrefreshing.Itadjustsyoutoyoursurroundings
4、,makingyoufeelalive.Ofcourse,thethreatofsmoginsomebuiltupareasisafurtherhurdletowinterexercise.Heartattacks,strokes,lungcancerandasthmaarealldangersofrunninginsmog.Thecombinationofairpollutionandexerciseincreasesthepotentialproblems.Ifyoudochoosetorunoutsideonsmoggydays,takea
5、pathinaparkorresidentialareatoavoidcarexhaust(废气)，andgoearlyinthemorning,beforerushhour.Butstayinginsideonsmoggydaysandwaitingforthenextcleardaytorunisbest.【语篇解读】 本文是一篇说明文。介绍了冬季户外跑步的意义和方法。冬季户外跑步能燃烧更多的热量，让肌肉更强健，心脏更健康，但是应当避免在雾霾时进行户外活动。1．Howdoescoldweatherbenefitrunners,compared
6、withwarmweather?A．Theycanrunmoreslowly.B．Theycantakeinmorecalories.C．Theirheartscanfunctionharder.D．Theirbodytemperaturecangetlower.C [考查细节理解。由题干关键词“benefit”和“comparedwithwarmweather”可将答案定位至第二段的最后一句“Similarly...makestheheartworkhardertodistributebloodthroughthebody,makingthat
7、vitalmuscleevenstronger.”可知，与温暖的天气相比，在寒冷的天气里户外跑步能使心脏更健康，故C项正确。]2．Howdoessummeraffectrunners?A．Itbuildsuptheirenergyquickly.B．Itmakesrunnerstiredeasily.C．Itlessensrunners'stress.D．Itcausesheartattacks.B [考查细节理解。根据第三段第二句中的“Theheatandhumidityinsummercandragyoudownandtireyoufaste
8、r”可知，夏季的炎热和湿气容易让跑步的人很快就感到疲劳，故B项正确。][干扰项分析] 根据第三段的第一句“Outdoorexercise
