2019-2020年高中英语单元质量评估四新人教版必修

《2019-2020年高中英语单元质量评估四新人教版必修》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、2019-2020年高中英语单元质量评估四新人教版必修第一部分　阅读理解(共两节，满分40分)第一节(共15小题；每小题2分，满分30分)阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。AWehaveallheardthesewords：“justputonahappyface”or“turnthatfrownupsidedown”．Canthesimpleactofsmilingactuallymakeusfeelbetter?Ourfaceisformedbyavariet

2、yofratherthinbones.Themusclesthatattachtothesebonesbeesmallerwhenwearehappyorwhenwewanttolaugh.Theresultingfacialexpressionisuniversallyrecognizedasasmileandindicatesourpositiveemotionalstatus.Sometimes，peoplepresentfake(假的)smiles.Buthowdoesthebrainach

3、ievebothtypesofsmilesusingthesamefacialmuscles?Italldependsuponwhichpartofthebrainstartsthesmile.Ifthebrain'sdopamineneurons(多巴胺能神经元)startthesmile，thenthesmilelookssincere.Ifthebrain'smotorcortexstartsthesmile，inotherwords，ifweareconsciouslywillingours

4、elvestosmile，thenaslightlydifferentsetoffacialmusclesareactivated.Itcanbedifficulttodescribepreciselyhowrealandfakesmilesdiffer，butweareallverycapableatknowingthedifference.Butcanforcingyourselftosmileproducethesamekindsofgoodfeelingsasarealsmiledoes?A

5、nythingthatpromptsthereleaseofdopamineinthebrainbringspleasure.Forexample，cocaineandcoffeebothreleasedopamineinthebrain.Thereleaseofdopamineinthefronthalfofourbrainisacpaniedbyarealsmile.Butcanthisprocessbereversed?Whataboutputtingonthathappyface?Canth

6、esimpleactofsmilingbringpleasure?Yes.Whenwesmile，fakeorreal，thecontractionofthefacialmusclesslightlydistorts(扭曲)theshapeofthethinfacialbones.Thisslightdistortionintheirshapeleadstoanincreaseinbloodflowintothebrainandthenincreasesthereleaseofdopamine.As

7、aresult，walkingaroundalldaywithasmileonyourfacewillmakeyourmoodhappier.Notonlywillyoubehappierbutyoursmilemightleadtothereleaseofdopamineinsomeoneelse'sbrain—nowthattrulyshowsthepowerofasmile.【语篇解读】　我们经常说，面带微笑不仅可以让自己快乐，也会让别人感受到快乐。本文就围绕微笑是如何使人快乐的进行了论述。1

8、．Whenwesmilesincerely，________．A．bonesinourfacebeethinB．musclesinthefacebeesmallerC．thebrain'sdopamineneuronsstopworkingD．thebrain'smotorcortexstartstowork解析：细节理解题。根据第二段第二句“Themusclesthatattachtothesebonesbeesmallerwhenwearehappyorwhenw