中职对口升学英语考前冲刺模拟试题(含答案)：阅读理解02
对口升学英语考前冲刺模拟试题（含答案）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。AIfyouareeverplanningtobuyatelescopeandwanttogetyourselfinvolvedinastronomyitisalwaysagoodideatoknowabitofthesky.Getacquaintedwithafewconstellations(星座sothatitwillbeeasierforyoutospottheconstellationswhenyouareusingyourtelescope.It’sagoodideatobuyafewmagazinesonastronomytohelpyoutogetfamiliarwiththeconstellationsintheskyandalsoreadafewreviewsonthedifferenttypesoftelescopesinthemarket.Thiswillhelpyougatheralltheinformationthatisoutthereregardingtelescopesandwhatpeoplehavetosayaboutthem.It’sadvisabletogoinforapairofbinoculars(双筒望远镜beforeyoubuyyourfirsttelescopesothatyoucangetusedtospottingconstellationsbeforeyourviewoftheskyisnarroweddown.Thiswillalsohelpyouknowifyoureallywanttogetinvolvedinastronomy.Manypeoplebuyacostlytelescopeandthendiscoverthatthey’renotactuallyinterestedinastronomy.Experiencehasnosubstitute，andtherecertainlyisnothingbetterthanusingdifferenttelescopesbeforeyoubuyone.Thiswillhelpyoutogetthefeelofallthetypesoftelescopesandyouwillknowwhichoneiseasierforyoutouse.Alargeaperture(光圈refractor(折射maygiveyouanexcellentimagebutyoumaynotbeabletokeepasteadyhandwhileusingitresultinginablurryimage.Therearethreetypesoftelescopesthatareavailableinthemarket.Ifyouwantamoreelegantlookingtelescopeyoucanalwayschoosetobuyafinebrasstelescope.It’sgoodtobecomeacquaintedwitheachtypebeforegoingfortheplungeofafirsttelescope.Thefirsttypeoftelescopeistherefractortelescope，whichuseslensestogatherlighttoafocusattheeyepiece.Theuseoflenseshelpsthetelescopehaveasuperiorimage.Arefractingtelescopeisnotasportableastheothertwotypesoftelescopesandsoyouwillhavetobuyonewithasmallaperture.ThesecondtypeoftelescopeistheReflector.MadebySirIsaacNewton，thistelescopefunctionsbyfocusingthelightbackatthefrontofthetube，whichiswheretheeyepiecesits，byusingparabolic(抛物线的mirrorsandanothersmallermirrortodeflectthelight.Thereisnoaddedcolorintheimagecausedbyrefractionoflightsince