英语学习新概念第四册练习册阅读

ernsofdistributionofspeciesineachregion(C)migrationamongtemperateandtropicalzones(D)variationofpatternsofdistributionofspeciesamongdifferentanimalsandplants7.TheauthormentionstropicalAsiainlines19asanexampleofalocationwhere(A)butterflybehaviorvarieswithclimate(B)ageneraltheoryofbutterflydiversityhasnotyetbeenfirmlyestablished(C)butterfliesareaffectedbyhumanpopulations(D)documentingplantspeciesismoredifficultthandocumentingbutterflyspecies8.WhichofthefollowingisNOTwellunderstoodbybiologists?(A)Europeanbutterflyhabitats(B)Differencesinspeciesrichnessbetweentemperateandtropicalregions(C)Differencesinspeciesrichnesswithinatemperateoratropicalregion(parisonsofbehaviorpatternsofbutterfliesandcertainanimalgroups9.Theword"generated"inline26isclosestinmeaningto(A)requested(B)caused(C)assisted(D)BCB