Intheoriginaltest，alltheanimalsinatestgrouparegivenasubstance_______halfofthemdie
A、unlessB
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 。
That is the house _______ you can enjoy the scenery.
Theattitudetowardslifethat()hadbeentryingtodemonstrateinhisworksisknownas“graceunderpressure”.
TheFinancier,TheTitanandTheStoicbyTheodoreDreiserarecalledhis“Trilogyof().”
Thatisthehouse_______youcanenjoythescenery.
Thistypeofdeskandchaircanbeadjusted________theheightofstudentsatdifferentages
