12月4日GRE阅读精准机经预测
12月4日的GRE考试马上就要开始了,同学们准备的怎么样了呢?出国留学网GRE栏目为您整理12月4日GRE作文机经Issue小范围预测,希望能有所帮助哦! 短篇阅读 Biologists have long debated about whether egg production in birds is biologically highly costly, some theorizing that egg production is energetically or nutritionally demanding. Lack, however, suggested that clutch size--the number of eggs a bird lays per breeding cycle-- is far below the potential limit of egg production. He suggested that clutch size had instead evolved in relation to the number of young that the parents could successfully rear. Subsequently... [ 查看全文 ]12月4日GRE阅读精准机经预测的相关文章