The leader ordered that the boys in the accident should be given first aid at once.A. in

问题补充：

The leader ordered that the boys in the accident should be given first aid at once.

A. injured

B. damaged

C. ruined

D. destroyed

答案：

(答案→)A. injured

B. damaged

C. ruined

D. destroyed

解析：词义辨析。Injure指在事故中受伤；damage指破坏，仍然可以修复；ruin毁坏。相当于destroy，指彻底毁坏，不能修复。本题中的in the accident，说明使用injure故A正确。