Intheoriginaltest，alltheanimalsinatestgrouparegivenasubstance_______halfofthemdie
B
本题考查词义辨析。 until：直到。符合句意，表示 given a substance 持续到 half of them die 。
“Thedignityofmovementofanicebergisduetoonlyone-eighthofitbeingabovewater.”This“iceberg”analogyisputforwardby().
Closely relate d to Dickinson ’s religious poetry are her poems concerning( ),ranging over the physical as well as the psychological and emotional aspects of death.
CloselyrelatedtoDickinson’sreligiouspoetryareherpoemsconcerning(),rangingoverthephysicalaswellasthepsychologicalandemotionalaspectsofdeath.
Somepersonsgaingoalanddirectionfromtheirtensions;others________underpressure.