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1、荆州中学2018-2019年度上学期高二英语双周考（三）时间：120分钟满分：150分第一部分：听力（共两节，满分20分）做题时，先将答案划在试卷上。录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。第一节（共5小题；每小题1分，满分5分)听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。听下面5段对话。每段对话后后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项。听完每段
2、对话后，，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。第二部分阅读理解（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，并在答题卡上将该项涂黑。AFlyingcanbefunandexciting,nomatterwhatyouchoosetodo.Buthaveyoueverthoughtaboutwhathappensontheplane?Herearesomeofthemostinterestingthingsthat
3、happen.Doplanesdrophumanwastewhileinflight?Whenyouflush（冲）atoiletonaplaneatanaltitudeof30,000feet,theremustbeaquestioninyourmind:“Isthisabouttolandonafarmer’shouse?”Takeiteasy.Aplane’stoiletscannotbeemptiedinthesky.Thewasteisstoredintanksonboardandcanonlybeoperatedbyth
4、egroundcrew.However,whyisnewslike“blueicefallingoutofaplane”reported?Isblueicehumanwaste?Storiesaboutblueicearetruebutrarelyhappen.TheFAAsaidsometoiletholdingtankshaveabluechemicalinthem.Ifatankleakshighintheair,thewaterfreezesonceithitstheoutsideair,andmeltsbeforeitla
5、ndsontheground.Isturbulence(颠簸)dangerous?It’sscary,uncomfortableandspillsyourdrink.Butisturbulencesomethingyoureallyneedtoworryabout?Absolutelynot.It’spartofflying,anditisn’tdangerous.Turbulenceiscausedwhentwomassesofairhitoneanotheratdifferentspeeds.Wind,thunderstorms
6、andclosenesstomountainsareallpossiblereasons.Despitehowdangerousitfeels,turbulencewon’tcrashyourplane.Eveninextremelyroughair,thewingisnotgoingtobreakoff.Whyareplanewindowsround?Ifyouhavetraveledbyplanebefore,youmayhavenoticedthateveryplanewindowhasarounddesign.Thisisn
7、’ttomaketheplanelookgood.It’sforthesafetyofeveryoneonboard.Astheairplaneflieshigherandhigher,theoutsideatmosphericpressuregetslowerandlower.Intheend,thepressureinsidetheplanebecomesgreaterthanthepressureoutside.Atthistime,windowsthatcanresistpressureareneeded.Squarewin
8、dowscancrack.Thedifferentpressureinsideandoutsideputstressontherightangles.However,roundedcornershelptoreducethesestr
