高二英语上学期开学摸底考试试题-人教版高二全册英语试题.pdf

佳一中高二学年开学初摸底考试

英语试题

第一部分：阅读理解（共两节，满分50分）

第一节：（共20小题，每小题2分，满分40分）

阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项。

A

“Look！HerecomeUFOs！”Ataround8p．m.，July26,2010，acitizencalledLu

ShanspottedthisspecialphenomenoninLeshan，Sichuan；threeunidentified(未确

认的)andbrightobjectsappearedintheskyabove“JadeInternational”building，

andthendisappearedalltogetherafter10moreminutes.

ThephenomenoncaughtalotofattentionofsomeexpertsandLeshancitizens.On

August3，ProfessorWangSichaofromthePurpleMountainObservatoryoftheChinese

AcademyofSciencessaid，theobjectsstillneedtobeidentified.Luckly，LuShan

tooksomephotosofit.Hedecribed，theobjectsfirstlituptheskyinthewest，

butlastedforabout10minutes.Thentheymovedslowlyataspeedof1meterper

minutetothenorth，andbecamesmallerandsmalleruntiltheydisappeared.“Itwas

likeasunsetbeforetheyfaded，andtheirlightalsobecamesogentleasthesunset.”

SomecitizensdoubtedtheywereUFOs，butLuShanthoughtitwaspossiblecaused

bytherefraction(折射)ofthesunlight.However，Lufoundnoscientificproofto

supportthisspecialphenomenonaftercomparingwithhisphotos.

AccordingtoProfessorWangSichao，itcouldbethe“sundog(幻日)”whichis

anatmosphericphenomenonthatcreatesbrightspotsoflightinthesky，oftenin

abrightringorhalooneithersideofthesun.Butthealsoaddedtheskyabove

Leshancitythatnightdidnotsatisfytheconditionsto

have“sundog”．“Sundog”usuallyhappensincoldareas，suchasthenorthandsouth

polesoftheearth.“Sothisphenomenonwasstrange.”saidWangSichao.Wangalso

statedhesonlyabletoconfirmtheidentityoftheobjectsaftercollectingand

analyzingmoreinformationandphotossnapped(快拍)fromdifferentlocationsand

thendecideonamorescientificexplanation.

1．Whatisthetextmainlyabout?

A．Whatis“sundog”？