2014
高考英语阅读理解全程巩固训练（12）及答案 阅读理解--------d----(2013•西安市标准化考练，d) up to 45 rare species of australian animals are in danger of becoming extinct within 20 years, scientists warned in a report. but hope is not lost! according to the report, the species can be saved if immediate action is taken to control their natural predators (天敌) and ot
