25. Anyone, once ____ positive for H7N9 flu virus, will receive free medical treatment from our government.
A. to be tested B. being tested C. tested D. to test
【答案】C
【解析】
试题分析：考查状语从句的省略，句意：任何人，一旦被检测出H7N9病毒阳性，将会得到政府的免费治疗。这是一个省略句，完整的句子是once someone is tested….，当主从句的主语一致时，可以省略从句的主语和be动词，选C。
考点：考查状语从句的省略
26. The president of the World Bank says he has a passion for China , he remembers starting as early as his childhood.
A. where B. which C. what D. when
