【北师大版】2020版高三英语一轮 课时提能练6　必修2　Unit 4　Cyberspace（B）含解析.doc

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1、课时提能练(六)　必修2　Unit4　Cyberspace(B)(对应学生用书第247页)Ⅰ.阅读理解(2017·河北石家庄高三复习教学质量检测(二))It'scoldanddarkoutside,andyourbedissowarmandcomfortable.Goingforarunseemslikesuchabadidea.Butbeforeyouhideyourrunningshoes,itmightbeworthgivingthatcrazyideaago.AccordingtoTheHuffingtonPost,anoutdoorruninwinter,a

2、sopposedtooneonatreadmill(跑步机),burnsmorecaloriesbecausethebodyisworkinghardtoregulate(调节)itscoretemperature.Furthermore,researchshowsthatracetimesarefasterincoldweatherthaninwarmertemperatures－andquickerrunsburnmorecalories.Similarly,coldweatheralsomakestheheartworkhardertodistributeblo

3、odthroughthebody,makingthatvitalmuscleevenstronger.Outdoorexercisealsoturnsupyourenergyandridsyouofthestressanddepressionthatbuildupeveryday.Theheatandhumidityinsummercandragyoudownandtireyoufaster,butcoldweatherisrefreshing.Itadjustsyoutoyoursurroundings,makingyoufeelalive.Ofcourse,the

4、threatofsmoginsomebuiltupareasisafurtherhurdletowinterexercise.Heartattacks,strokes,lungcancerandasthmaarealldangersofrunninginsmog.Thecombinationofairpollutionandexerciseincreasesthepotentialproblems.Ifyoudochoosetorunoutsideonsmoggydays,takeapathinaparkorresidentialareatoavoidcarexhau

5、st(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,comparedwithwarmweather?A．Theycanrunmoreslowly.B．Theycantakein

6、morecalories.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,makingthatvitalmuscleevenstronger.”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．

7、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“Theheatandhumidityinsummercandragyoudownandtireyoufaster”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“Outdoorexercis