Unit18Turbulence说课教材分析ProperTermsCanyouguesswhat’shappenedinthepicture?Maybetheflightismeetingtheturbulence.2.Whatwillhappeniftheflightsuffersfromturbulence?3.Whatshouldthecabinattendantdointhissituation?maketheannouncement(广播)first.makesureallthepassengersfastentheirseatbelt,especiallythespecialpassengers,suchastheunaccompaniedchildren(无人陪伴儿童),thedisabled(残疾人)andsoon.Closethelavatory(厕所)andsuspendthecabinservicetemporarily(暂时).bump[bʌmp]v.碰撞，撞击；颠簸而行atmospheric[ætməs’ferik]adj.大气的，大气层的~pressure大气压intensity[in’tensiti]n.强度；强烈Jet[dʒet]stream[stri:m]气流ClearAirTurbulence[‘tə:bjələns]晴空湍流Somesevereproblemsshouldbepaidattentionto:Itcannotforeseen(预见)sothereisnowarning.Itcanoccurwhennocloudsarevisible.Aircraftradars(雷达)can’tdetectit.（Apassengerfeelssickwhenexperiencingtheturbulence.）PAX:Excuseme,Miss!What’shappening?CA:Weareexperiencingsometurbulence.Foryoursafety,pleaseremainseatedandfastenyourseatbelt.That’sterrible.I’mfeelingsick.PAX:That’sterrible.I’mfeelingsick.CA:I’msorrytoseethatyouarenotfeelingwell.Pleaseusetheairsicknessbaglocatedintheseatpocketinfrontofyou.PAX:Iwill.Thankyou.(Apassengerwantstorelaxhimselfwhentheplaneisexperiencingtheturbulence.)CA:Excuseme,sir,wouldyoupleasecomebacktoyourseatandfastenyourseatbelt?PAX:What’sthematter?Ijustwanttorelaxmyself.Thespaceforlegsistoosmall.CA:Ourplaneisexperiencingturbulence.Pleaseremaininyourseatandfastenyourseatbelt.PAX:Whyistheplanebumpingsohard?Areweindangernow?CA:No,weareabsolutelysafe.Ourcaptainandpilotsarethemostexperiencedinourairline.Sodon’tworry.Justremaininyourseatwithyourseatbeltfastened.PAX:Areyousure？CA:Yes,I’mabsolutelypositiveofthat.PAX:Ok,Iwilldothat.(Apassengerisworriedabouttheturbulence.)PAX:Excuseme,Miss.I’mtravellingforthefirsttimebyplane.Isthisplanesafe?CA:Oh,thankyouforchoosingtoflywithustoday.Ourflightcrewareveryexperiencedandhighlytrained.Therefore,weareabsolutelysafe.PAX:Really?ButIstillfeelalittlebitnervousandwhydoestheplanekeepbumping?Itmakesmeveryuncomf