更新时间：2018-07-29 16:18作者：三水老师
44．B 推理判断题。根据第六段第二句“…hasenforcedlightingregulationsinitscityinordertoassistastronomersat…”可知，这条规定是为了给天文学家的工作创造理想的观察条件。故选B。
45．C 主旨大意题。根据整篇文章的叙述，作者主要描述了城市的光污染对生活、工作以及动物造成的影响，因此作者在文中呼吁我们人类的活动应该对环境有利。故选C。
C
PoetWilliamStaffordoncesaidthatwearedefinedmorebythedetours(绕行路)inlifethanbythenarrowroadtowardgoals.Ilikethisimage.ButitwasquitebyaccidentthatIdiscoveredthedeepmeaningofhiswords.
ForyearswemadethelongdrivefromourhomeinSeattletomyparents'homeinBoiseinninehours.Wetraveledthewaymostpeopledo:thefastest,shortest,easiestroad,especiallywhenIwasalonewithfournoisy,restlesskidswhohateconfinement(限制)andhavestrongopinionsabouteverything.
Roadtripsfeltrisky，soIwoulddrivefast,stoppingonlywhenIhadto.Wewouldsticktothefreewaysandarrivetired.
ButthenBanner,ourlambwasborn.HewasrejectedbyhismamadaysbeforeourplannedtriptoBoise.Ihadtwochoices:leaveBannerwithmyhusband,ortakehimwithme.Myhusbandmadethedecisionforme.
ThatishowIfoundmyselfontheroadwithfourkids,ababylambandnothingbutmyeverlastingoptimismtoseemethrough.Wetookthecountryroadsoutofnecessity.Wehadtostopeveryhour,letBannershakeouthislegsandfeedhim.Thekidschasedhimandoneanother.They'dgetbackinthecarbreathlessandenergized,smellingfreshfromthecoldair.