PartIVTranslation
Itwouldhavebeendifficultforthemtoavoidtheconclusionthatthehorseandmulepopulationwoulddeclinerapidly.(PassageFour)
他们就难免得出这样的结论， 马和骡子的数量会迅速减少。
暂无解析
Whattheyare____aboutiswhichcomesfirst:thechickenortheegg?
Part IV Translation：
In order to learn to be one’s true self, it is necessary to obtain a wide and extensive knowledge of what has been said and done in the world. (Passage Two)
I ’m worried about the appearance of the floor. I need to _____ it.
He gave us a good ____ of his experience.